STM32F103R8H7XXX datasheet, PDF - EEWORLD Datasheet

EEWORLDEEWORLD

Datasheet

Datasheet> All Categories > The embedded processor and controller> Microcontrollers and processors> STM32F103R8H7XXX

PDF

STM32F103R8H7XXX: Description32-BIT, FLASH, 1.25 MHz, RISC MICROCONTROLLER, PQFP48; CategoryThe embedded processor and controller Microcontrollers and processors; File Size2MB，117 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/; Environmental Compliance

Download Datasheet Parametric View All

STM32F103R8H7XXX Overview

32-BIT, FLASH, 1.25 MHz, RISC MICROCONTROLLER, PQFP48

STM32F103R8H7XXX Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Parts packaging code	BGA
package instruction	TFBGA, BGA64,8X8,20
Contacts	64
Reach Compliance Code	compli
ECCN code	3A001.A.3
Has ADC	YES
Address bus width	32
bit size	32
CPU series	CORTEX-M3
maximum clock frequency	72 MHz
DAC channel	YES
DMA channel	YES
External data bus width	32
JESD-30 code	S-PBGA-B64
length	5 mm
Number of I/O lines	51
Number of terminals	64
On-chip program ROM width	8
Maximum operating temperature	105 °C
Minimum operating temperature	-40 °C
PWM channel	YES
Package body material	PLASTIC/EPOXY
encapsulated code	TFBGA
Encapsulate equivalent code	BGA64,8X8,20
Package shape	SQUARE
Package form	GRID ARRAY, THIN PROFILE, FINE PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	2.5/3.3 V
Certification status	Not Qualified
RAM (bytes)	20480
rom(word)	65536
ROM programmability	FLASH
Maximum seat height	1.2 mm
speed	1.25 MHz
Maximum slew rate	50.3 mA
Maximum supply voltage	3.6 V
Minimum supply voltage	2 V
Nominal supply voltage	3.3 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal form	BALL
Terminal pitch	0.5 mm
Terminal location	BOTTOM
Maximum time at peak reflow temperature	NOT SPECIFIED
width	5 mm
uPs/uCs/peripheral integrated circuit type	MICROCONTROLLER, RISC
Base Number Matches	1

Preview

Download Datasheet

STM32F103x8

STM32F103xB

Medium-density performance line ARM

®

-based 32-bit MCU with 64

or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs, 9 com. interfaces

Datasheet

-

production data

Features

•

ARM

®

32-bit Cortex

®

-M3 CPU Core

– 72 MHz maximum frequency,

1.25 DMIPS/MHz (Dhrystone 2.1)

performance at 0 wait state memory

access

– Single-cycle multiplication and hardware

division

•

Memories

– 64 or 128 Kbytes of Flash memory

– 20 Kbytes of SRAM

•

Clock, reset and supply management

– 2.0 to 3.6 V application supply and I/Os

– POR, PDR, and programmable voltage

detector (PVD)

– 4-to-16 MHz crystal oscillator

– Internal 8 MHz factory-trimmed RC

– Internal 40 kHz RC

– PLL for CPU clock

– 32 kHz oscillator for RTC with calibration

•

Low-power

– Sleep, Stop and Standby modes

– V

BAT

supply for RTC and backup registers

•

2 x 12-bit, 1 µs A/D converters (up to 16

channels)

– Conversion range: 0 to 3.6 V

– Dual-sample and hold capability

– Temperature sensor

•

DMA

– 7-channel DMA controller

– Peripherals supported: timers, ADC, SPIs,

I

2

Cs and USARTs

•

Up to 80 fast I/O ports

– 26/37/51/80 I/Os, all mappable on 16

external interrupt vectors and almost all

5 V-tolerant

VFQFPN36 6 × 6 mm

UFQFPN48 7 × 7 mm

BGA100 10 × 10 mm

UFBGA100 7 x 7 mm

BGA64 5 × 5 mm

LQFP100 14 × 14 mm

LQFP64 10 × 10 mm

LQFP48 7 × 7 mm

•

Debug mode

– Serial wire debug (SWD) & JTAG

interfaces

•

7 timers

– Three 16-bit timers, each with up to 4

IC/OC/PWM or pulse counter and

quadrature (incremental) encoder input

– 16-bit, motor control PWM timer with dead-

time generation and emergency stop

– 2 watchdog timers (Independent and

Window)

– SysTick timer 24-bit downcounter

•

Up to 9 communication interfaces

– Up to 2 x I

2

C interfaces (SMBus/PMBus)

– Up to 3 USARTs (ISO 7816 interface, LIN,

IrDA capability, modem control)

– Up to 2 SPIs (18 Mbit/s)

– CAN interface (2.0B Active)

– USB 2.0 full-speed interface

•

CRC calculation unit, 96-bit unique ID

•

Packages are ECOPACK

®

Table 1. Device summary

Reference

STM32F103x8

STM32F103xB

Part number

STM32F103C8, STM32F103R8

STM32F103V8, STM32F103T8

STM32F103RB STM32F103VB,

STM32F103CB, STM32F103TB

August 2015

This is information on a product in full production.

DocID13587 Rev 17

1/117

www.st.com

Contents

STM32F103x8, STM32F103xB

Contents

1

2

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.1

2.2

2.3

Device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Full compatibility throughout the family . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.3.1

2.3.2

2.3.3

2.3.4

2.3.5

2.3.6

2.3.7

2.3.8

2.3.9

2.3.10

2.3.11

2.3.12

2.3.13

2.3.14

2.3.15

2.3.16

2.3.17

2.3.18

2.3.19

2.3.20

2.3.21

2.3.22

2.3.23

2.3.24

ARM

®

Cortex

®

-M3 core with embedded Flash and SRAM . . . . . . . . . . 14

Embedded Flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

CRC (cyclic redundancy check) calculation unit . . . . . . . . . . . . . . . . . . 14

Embedded SRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 14

External interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . . 15

Clocks and startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

DMA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

RTC (real-time clock) and backup registers . . . . . . . . . . . . . . . . . . . . . . 17

Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

I²C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Universal synchronous/asynchronous receiver transmitter (USART) . . 19

Serial peripheral interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Controller area network (CAN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Universal serial bus (USB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

GPIOs (general-purpose inputs/outputs) . . . . . . . . . . . . . . . . . . . . . . . . 20

ADC (analog-to-digital converter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Serial wire JTAG debug port (SWJ-DP) . . . . . . . . . . . . . . . . . . . . . . . . . 20

3

4

Pinouts and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Memory mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

2/117

DocID13587 Rev 17

STM32F103x8, STM32F103xB

Contents

5

Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

5.1

Parameter conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

5.1.1

5.1.2

5.1.3

5.1.4

5.1.5

5.1.6

5.1.7

Minimum and maximum values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Typical values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Typical curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Loading capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Current consumption measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

5.2

5.3

Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

5.3.1

5.3.2

5.3.3

5.3.4

5.3.5

5.3.6

5.3.7

5.3.8

5.3.9

5.3.10

5.3.11

5.3.12

5.3.13

5.3.14

5.3.15

5.3.16

5.3.17

5.3.18

5.3.19

General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Operating conditions at power-up / power-down . . . . . . . . . . . . . . . . . . 39

Embedded reset and power control block characteristics . . . . . . . . . . . 40

Embedded reference voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Supply current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

External clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Internal clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

PLL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

EMC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Absolute maximum ratings (electrical sensitivity) . . . . . . . . . . . . . . . . . 60

I/O current injection characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

I/O port characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

NRST pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

TIM timer characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Communications interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

CAN (controller area network) interface . . . . . . . . . . . . . . . . . . . . . . . . 74

12-bit ADC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Temperature sensor characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

6

Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

6.1

6.2

6.3

VFQFPN36 6 x 6 mm, 0.5 mm pitch, package information . . . . . . . . . . . 80

UFQFPN48 7 x 7 mm, 0.5 mm pitch, package information . . . . . . . . . . . 84

LFBGA100 10 x 10 mm, low-profile fine pitch ball grid array

package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

DocID13587 Rev 17

3/117

4

STM32F103x8, STM32F103xB

List of tables

List of tables

Table 1.

Table 2.

Table 3.

Table 4.

Table 5.

Table 6.

Table 7.

Table 8.

Table 9.

Table 10.

Table 11.

Table 12.

Table 13.

Table 14.

Table 15.

Table 16.

Table 17.

Table 18.

Table 19.

Table 20.

Table 21.

Table 22.

Table 23.

Table 24.

Table 25.

Table 26.

Table 27.

Table 28.

Table 29.

Table 30.

Table 31.

Table 32.

Table 33.

Table 34.

Table 35.

Table 36.

Table 37.

Table 38.

Table 39.

Table 40.

Table 41.

Table 42.

Table 43.

Table 44.

Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

STM32F103xx medium-density device features and peripheral counts . . . . . . . . . . . . . . . 10

STM32F103xx family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Timer feature comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Medium-density STM32F103xx pin definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Voltage characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Thermal characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Operating conditions at power-up / power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Embedded reset and power control block characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . 40

Embedded internal reference voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Maximum current consumption in Run mode, code with data processing

running from Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Maximum current consumption in Run mode, code with data processing

running from RAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Maximum current consumption in Sleep mode, code running from Flash or RAM. . . . . . . 44

Typical and maximum current consumptions in Stop and Standby modes . . . . . . . . . . . . 45

Typical current consumption in Run mode, code with data processing

running from Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Typical current consumption in Sleep mode, code running from Flash or

RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Peripheral current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

High-speed external user clock characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Low-speed external user clock characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

HSE 4-16 MHz oscillator characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

LSE oscillator characteristics (f

LSE

= 32.768 kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

HSI oscillator characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

LSI oscillator characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Low-power mode wakeup timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

PLL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Flash memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Flash memory endurance and data retention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

EMS characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

EMI characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

ESD absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Electrical sensitivities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

I/O current injection susceptibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

I/O static characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Output voltage characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

I/O AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

NRST pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

TIMx characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

I

2

C characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

SCL frequency (f

PCLK1

= 36 MHz.,V

DD_I2C

= 3.3 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

SPI characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

USB startup time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

USB DC electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

DocID13587 Rev 17

5/117

6

Recommended Resources

Light-controlled integrated voltage-stabilized power supply circuit composed of CW7800 Part 2

Heartbeat monitor circuit diagram

Signal input circuitb

Small power uninterruptible power supply circuit diagram

automatic light circuit

Computer motherboard circuit diagram 440GX_10

USB network port module test based on TI Sitara Cortex-A8: USB network port module test The USB network port module used in this case is Microchip's EVB-LAN9500A-LC, which can be used to expand the network port of the evaluation board. Start the evaluation bo...; Tronlong小分队 ARM Technology

Please help me with the problem of STM32F103 VCC short circuit to ground: The company is trial-producing a product, using the STM32F103 master control. Now a large number of defects (about 30%) are found. The problem is that VCC is short-circuited to the ground. These are a...; jun_garfield stm32/stm8

Hehe, are there any friends who are working on the electronic competition all night? How are you doing?: I worked all night to test it. It was very hard, but finally something came out. I'm so happy. The competition is almost over. Come on everyone! !...; will0504259 MCU

How to download the bootloader and user program at the same time?: How much FLASH space do you reserve for the bootloader?...; cxy752528 stm32/stm8

Analysis of the front-end circuit of push-pull amplifier: See the picture. This is the front end of the push-pull amplifier. Points a and b are connected to the next level. Please solve the voltage of a and b. If the AC signal is a small signal, it can be an...; wh40062 Analog electronics

Why does Workbench3.0 show "failed to connect to the wind river registry on host" every time it starts?: And there is a red cross on the default (localhost) in the lower left corner. Tornado has been uninstalled but it still doesn't work. There is no Tornado registry in the service. Every time I start it...; cdqd Embedded System

Shortcut: 00 01 02 03 04 05 06 07 08 09 0A 0C 0F 0J 0L 0M 0R 0S 0T 0Z 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F 1H 1K 1M 1N 1P 1S 1T 1V 1X 1Z 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 2G 2K 2M 2N 2P 2Q 2R 2S 2T 2W 2Z 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F 3G 3H 3J 3K 3L 3M 3N 3P 3R 3S 3T 3V 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4M 4N 4P 4S 4T 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5E 5G 5H 5K 5M 5N 5P 5S 5T 5V 60 61 62 63 64 65 66 67 68 69 6A 6C 6E 6F 6M 6N 6P 6R 6S 6T 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7M 7N 7P 7Q 7V 7W 7X 80 81 82 83 84 85 86 87 88 89 8A 8D 8E 8L 8N 8P 8S 8T 8W 8Y 8Z 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9F 9G 9H 9L 9S 9T 9W

Popular Components

Popular Articles

Technical ResourceMore

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

About Us Customer Service Contact Information Datasheet Sitemap LatestNews

Index Files: 2076 608 1331 1150 1317 42 13 27 24 38

Datasheet 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190

Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号京ICP备10001474号-1 电信业务审批[2006]字第258号函

京公网安备 11010802033920号