C8051F326_08 datasheet, PDF - EEWORLD Datasheet

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C8051F326_08: Description8-BIT, FLASH, 25 MHz, MICROCONTROLLER, QCC28; Categorysemiconductor The embedded processor and controller; File Size1MB，141 Pages; ManufacturerSILABS; Websitehttp://www.silabs.com

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C8051F326_08 Overview

8-BIT, FLASH, 25 MHz, MICROCONTROLLER, QCC28

C8051F326_08 Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	28
Maximum operating temperature	85 Cel
Minimum operating temperature	-40 Cel
Maximum supply/operating voltage	3.6 V
Minimum supply/operating voltage	2.7 V
Rated supply voltage	3.3 V
Number of input and output buses	15
Line speed	25 MHz
Processing package description	ROHS COMPLIANT, QFN-28
Lead-free	Yes
EU RoHS regulations	Yes
state	ACTIVE
packaging shape	SQUARE
Package Size	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
surface mount	Yes
Terminal form	NO LEAD
Terminal spacing	0.5000 mm
terminal coating	NOT SPECIFIED
Terminal location	QUAD
Packaging Materials	UNSPECIFIED
Temperature level	INDUSTRIAL
Number of digits	8
Maximum FCLK clock frequency	25 MHz
Microprocessor type	MICROCONTROLLER
ROM programming	FLASH

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C8051F326/7

Full Speed USB, 16 kB Flash MCU Family

USB Function Controller

USB specification 2.0 compliant

Full speed (12 Mbps) or low speed (1.5 Mbps)

operation

Integrated clock recovery; no external crystal

required for full speed or low speed

Supports three fixed-function endpoints

256 Byte USB buffer memory

Integrated transceiver; no external resistors

required

High-Speed 8051 µC Core

Pipelined instruction architecture; executes 70% of

Memory

1536 bytes internal RAM

instructions in 1 or 2 system clocks

Up to 25 MIPS throughput with 25 MHz clock

Expanded interrupt handler

(1 k + 256 + 256 USB FIFO)

16k bytes Flash; In-system programmable in

512-byte sectors

On-Chip Debug

On-chip debug circuitry facilitates full speed,

non-intrusive in-system debug (no emulator

required)

Provides breakpoints, single stepping,

inspect/modify memory and registers

Superior performance to emulation systems using

ICE-chips, target pods, and sockets

Digital Peripherals

15 Port I/O; All 5 V tolerant with high sink current

Enhanced UART

Two general purpose 16-bit timers

Clock Sources

Internal oscillator: 0.25% accuracy with clock

recovery enabled. Supports all USB and UART

modes

External CMOS clock

Can switch between clock sources on-the-fly; useful

in power saving strategies

Voltage Supply Input: 2.7 to 5.25 V

Voltages from 3.6 to 5.25 V supported using

On-Chip Voltage Regulator

Packages

28-pin QFN

Temperature Range: –40 to +85 °C

ANALOG

PERIPHERALS

VREG

DIGITAL I/O

UART

Timer 0

Timer 1

Port 0

Port 2

Port 3

USB Controller / Transceiver

PRECISION INTERNAL

OSCILLATOR

LOW FREQUENCY

OSCILLATOR

HIGH-SPEED CONTROLLER CORE

16 KB

ISP FLASH

INTERRUPTS

8051 CPU

(25MIPS)

DEBUG

CIRCUITRY

1536 B

SRAM

POR

Rev. 1.1 8/08

C8051F326/7

C8051F326/7

Table of Contents

1. System Overview.................................................................................................... 13

1.1. CIP-51™ Microcontroller Core.......................................................................... 17

1.1.1. Fully 8051 Compatible.............................................................................. 17

1.1.2. Improved Throughput ............................................................................... 17

1.1.3. Additional Features .................................................................................. 18

1.2. On-Chip Memory............................................................................................... 19

1.3. Universal Serial Bus Controller ......................................................................... 20

1.4. Voltage Regulator ............................................................................................. 20

1.5. On-Chip Debug Circuitry................................................................................... 21

1.6. Programmable Digital I/O.................................................................................. 22

1.7. Serial Ports ....................................................................................................... 22

2. Absolute Maximum Ratings .................................................................................. 23

3. Global DC Electrical Characteristics .................................................................... 24

4. Pinout and Package Definitions............................................................................ 25

5. Voltage Regulator (REG0)...................................................................................... 31

5.1. Regulator Mode Selection................................................................................. 31

5.2. VBUS Detection ................................................................................................ 31

6. CIP-51 Microcontroller .......................................................................................... 35

6.1. Instruction Set ................................................................................................... 36

6.1.1. Instruction and CPU Timing ..................................................................... 36

6.1.2. MOVX Instruction and Program Memory ................................................. 37

6.2. Memory Organization........................................................................................ 41

6.2.1. Program Memory...................................................................................... 41

6.2.2. Data Memory............................................................................................ 42

6.2.3. General Purpose Registers ...................................................................... 42

6.2.4. Bit Addressable Locations........................................................................ 42

6.2.5. Stack ....................................................................................................... 42

6.2.6. Special Function Registers....................................................................... 43

6.2.7. Register Descriptions ............................................................................... 45

6.3. Interrupt Handler ............................................................................................... 48

6.3.1. MCU Interrupt Sources and Vectors ........................................................ 48

6.3.2. External Interrupts .................................................................................... 49

6.3.3. Interrupt Priorities ..................................................................................... 49

6.3.4. Interrupt Latency ...................................................................................... 49

6.3.5. Interrupt Register Descriptions................................................................. 50

6.4. Power Management Modes .............................................................................. 55

6.4.1. Idle Mode.................................................................................................. 55

6.4.2. Stop Mode ................................................................................................ 55

7. Reset Sources ....................................................................................................... 57

7.1. Power-On Reset ............................................................................................... 58

7.2. Power-Fail Reset / VDD Monitor....................................................................... 59

7.3. External Reset .................................................................................................. 60

7.4. Missing Clock Detector Reset........................................................................... 60

Rev. 1.1

C8051F326/7

7.5. Flash Error Reset.............................................................................................. 60

7.6. Software Reset ................................................................................................. 60

7.7. USB Reset ........................................................................................................ 60

8. Flash Memory ....................................................................................................... 63

8.1. Programming The Flash Memory ..................................................................... 63

8.1.1. Flash Lock and Key Functions ................................................................. 63

8.1.2. Flash Erase Procedure............................................................................. 63

8.1.3. Flash Write Procedure.............................................................................. 64

8.2. Non-volatile Data Storage................................................................................. 65

8.3. Security Options................................................................................................ 65

9. External RAM ........................................................................................................ 69

9.1. Accessing User XRAM...................................................................................... 69

9.2. Accessing USB FIFO Space............................................................................. 70

10. Oscillators ............................................................................................................... 71

10.1.Programmable Internal Oscillator ..................................................................... 71

10.1.1.Adjusting the Internal Oscillator on C8051F326/7 Devices...................... 72

10.1.2.Internal Oscillator Suspend Mode ............................................................ 72

10.2.Internal Low-Frequency (L-F) Oscillator ........................................................... 74

10.3.CMOS External Clock Input.............................................................................. 74

10.4.4x Clock Multiplier ............................................................................................ 75

10.5.System and USB Clock Selection .................................................................... 76

10.5.1.System Clock Selection ........................................................................... 76

10.5.2.USB Clock Selection ................................................................................ 76

11. Port Input/Output .................................................................................................. 79

11.1.Port I/O Initialization ......................................................................................... 81

11.2.General Purpose Port I/O ................................................................................. 81

12. Universal Serial Bus Controller (USB0)................................................................ 87

12.1.Endpoint Addressing ........................................................................................ 88

12.2.USB Transceiver .............................................................................................. 88

12.3.USB Register Access ....................................................................................... 90

12.4.USB Clock Configuration.................................................................................. 94

12.5.FIFO Management ........................................................................................... 95

12.5.1.FIFO Split Mode ....................................................................................... 95

12.5.2.FIFO Double Buffering ............................................................................. 95

12.5.3.FIFO Access ............................................................................................ 96

12.6.Function Addressing......................................................................................... 97

12.7.Function Configuration and Control.................................................................. 98

12.8.Interrupts ........................................................................................................ 101

12.9.The Serial Interface Engine ............................................................................ 104

12.10. Endpoint0..................................................................................................... 104

12.10.1.Endpoint0 SETUP Transactions .......................................................... 104

12.10.2.Endpoint0 IN Transactions................................................................... 105

12.10.3.Endpoint0 OUT Transactions............................................................... 105

12.11.Configuring Endpoint1 .................................................................................. 108

Rev. 1.1

C8051F326/7

12.12.Controlling Endpoint1 IN............................................................................... 108

12.12.1.Endpoint1 IN Interrupt or Bulk Mode.................................................... 108

12.12.2.Endpoint1 IN Isochronous Mode.......................................................... 108

12.13.Controlling Endpoint1 OUT........................................................................... 112

12.13.1.Endpoint1 OUT Interrupt or Bulk Mode................................................ 112

12.13.2.Endpoint1 OUT Isochronous Mode...................................................... 112

13. UART0.................................................................................................................... 117

13.1.Baud Rate Generator ..................................................................................... 118

13.2.Data Format.................................................................................................... 120

13.3.Configuration and Operation .......................................................................... 121

13.3.1.Data Transmission ................................................................................. 121

13.3.2.Data Reception ...................................................................................... 121

13.3.3.Multiprocessor Communications ............................................................ 122

14. Timers ................................................................................................................... 127

14.1.Timer 0 and Timer 1 Operating Modes........................................................... 127

14.1.1.Mode 0: 13-bit Timer .............................................................................. 128

14.1.2.Mode 1: 16-bit Timer .............................................................................. 129

14.1.3.Mode 2: 8-bit Timer with Auto-Reload.................................................... 129

14.1.4.Mode 3: Two 8-bit Timers (Timer 0 Only) .............................................. 130

15. C2 Interface ........................................................................................................... 135

15.1.C2 Interface Registers.................................................................................... 135

15.2.C2 Pin Sharing ............................................................................................... 137

Document Change List............................................................................................. 138

Contact Information.................................................................................................. 140

Rev. 1.1

C8051F326_08 Related Products

	C8051F326_08	C8051F326-GM	C8051F327-GM	C8051F326
Description	8-BIT, FLASH, 25 MHz, MICROCONTROLLER, QCC28	8-BIT, FLASH, 25 MHz, MICROCONTROLLER, QCC28	8-BIT, FLASH, 25 MHz, MICROCONTROLLER, QCC28	8-BIT, FLASH, 25 MHz, MICROCONTROLLER, QCC28
Number of functions	1	1	1	1
Number of terminals	28	28	28	28
Maximum operating temperature	85 Cel	85 Cel	85 Cel	85 Cel
Minimum operating temperature	-40 Cel	-40 Cel	-40 Cel	-40 Cel
Maximum supply/operating voltage	3.6 V	3.6 V	3.6 V	3.6 V
Minimum supply/operating voltage	2.7 V	2.7 V	2.7 V	2.7 V
Rated supply voltage	3.3 V	3.3 V	3.3 V	3.3 V
Number of input and output buses	15	15	15	15
Line speed	25 MHz	25 MHz	25 MHz	25 MHz
Processing package description	ROHS COMPLIANT, QFN-28	ROHS COMPLIANT, QFN-28	ROHS COMPLIANT, QFN-28	ROHS COMPLIANT, QFN-28
Lead-free	Yes	Yes	Yes	Yes
EU RoHS regulations	Yes	Yes	Yes	Yes
state	ACTIVE	ACTIVE	ACTIVE	ACTIVE
packaging shape	SQUARE	SQUARE	SQUARE	SQUARE
Package Size	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
surface mount	Yes	Yes	Yes	Yes
Terminal form	NO LEAD	NO LEAD	NO LEAD	NO LEAD
Terminal spacing	0.5000 mm	0.5000 mm	0.5000 mm	0.5000 mm
terminal coating	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
Terminal location	QUAD	QUAD	QUAD	QUAD
Packaging Materials	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Number of digits	8	8	8	8
Maximum FCLK clock frequency	25 MHz	25 MHz	25 MHz	25 MHz
Microprocessor type	MICROCONTROLLER	MICROCONTROLLER	MICROCONTROLLER	MICROCONTROLLER
ROM programming	FLASH	FLASH	FLASH	FLASH

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