ST72SCR1x4T1 datasheet, PDF - EEWORLD Datasheet

Datasheet> All Categories > semiconductor> The embedded processor and controller> ST72SCR1x4T1

ST72SCR1x4T1: Description8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP64; Categorysemiconductor The embedded processor and controller; File Size664KB，102 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/

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ST72SCR1x4T1 Overview

8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP64

ST72SCR1x4T1 Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	64
Maximum operating temperature	70 Cel
Minimum operating temperature	0.0 Cel
Maximum supply/operating voltage	5.5 V
Minimum supply/operating voltage	4 V
Rated supply voltage	5 V
External data bus width	0.0
Number of input and output buses	31
Line speed	8 MHz
Processing package description	14 X 14 MM, LQFP-64
Lead-free	Yes
EU RoHS regulations	Yes
state	ACTIVE
Craftsmanship	CMOS
packaging shape	SQUARE
Package Size	FLATPACK, LOW PROFILE
surface mount	Yes
Terminal form	GULL WING
Terminal spacing	0.8000 mm
terminal coating	TIN SILVER COPPER
Terminal location	QUAD
Packaging Materials	PLASTIC/EPOXY
Temperature level	COMMERCIAL
Address bus width	0.0
Number of digits	8
Maximum FCLK clock frequency	8 MHz
Microprocessor type	MICROCONTROLLER
ROM programming	FLASH

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ST7SCR

8-BIT LOW-POWER, FULL-SPEED USB MCU WITH 16K

FLASH, 768 RAM, SMARTCARD I/F, TIMER

Memories

– Up to 16K of ROM or High Density Flash (HD-

Flash) program memory with read/write pro-

tection, HDFlash In-Circuit and In-Application

Programming. 100 write/erase cycles guaran-

teed, data retention: 20 years at 55°C

– Up to 768 bytes of RAM including up to 128

bytes stack and 256 bytes USB buffer

Clock, Reset and Supply Management

– Low Voltage Reset

– 2 power saving modes: Halt and Wait modes

– PLL for generating 48 MHz USB clock using a

4 MHz crystal

Interrupt Management

– Nested Interrupt Controller

USB (Universal Serial Bus) Interface

– 256-byte buffer for full speed bulk, control and

interrupt transfer types compliant with USB

specification (version 2.0)

– On-Chip 3.3V USB voltage regulator and

transceivers with software power-down

– 7 USB Endpoints:

One 8-byte Bidirectional Control Endpoint

One 64-byte In Endpoint,

One 64-byte Out Endpoint

Four 8-byte In Endpoints

35 or 4 I/O ports:

– Up to 4 LED outputs with software program-

mable constant current (3 or 7 mA).

– 2 General purpose I/Os programmable as in-

terrupts

– Up to 8 line inputs programmable as interrupts

– Up to 20 Outputs

– 1 line assigned by default as static input after

reset

ST7FSCR1R4

16K FLASH

TQFP64 14x14

SO24

ISO7816-3 UART Interface:

– 4 Mhz Clock generation

– Synchronous/Asynchronous protocols (T=0,

T=1)

– Automatic retry on parity error

– Programmable Baud rate from 372 clock puls-

es up to 11.625 clock pulses (D=32/F=372)

– Card Insertion/Removal Detection

Smartcard Power Supply:

– Selectable card V

1.8V, 3V, and 5V

– Internal Step-up converter for 5V supplied

Smartcards (with a current of up to 55mA) us-

ing only two external components.

– Programmable Smartcard Internal Voltage

Regulator (1.8V to 3.0V) with current overload

protection and 4 KV ESD protection (Human

Body Model) for all Smartcard Interface I/Os

One 8-bit Timer

– Time Base Unit (TBU) for generating periodic

interrupts.

Development Tools

– Full hardware/software development package

Table 1. Device Summary

Features

Program memory

User RAM (stack) - bytes

Peripherals

Operating Supply

Package

CPU Frequency

Operating temperature

TQFP64

4 or 8 Mhz

0°C to +70°C

ST7SCR1R4

16K ROM

ST7FSCR1E4

16K FLASH

768 (128)

USB Full-Speed (7 Ep), TBU, Watchdog timer, ISO7816-3 Interface

4.0 to 5.5V

SO24

ST7SCR1E4

16K ROM

Rev. 1.3

March 2003

1/102

Table of Contents

ST7SCR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2 PIN DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3 REGISTER & MEMORY MAP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1

4 FLASH PROGRAM MEMORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.2

4.3

4.4

4.5

4.6

MAIN FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4

STRUCTURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

ICP (IN-CIRCUIT PROGRAMMING) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

IAP (IN-APPLICATION PROGRAMMING) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

PROGRAM MEMORY READ-OUT PROTECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5 CENTRAL PROCESSING UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.2

5.3

MAIN FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 7

CPU REGISTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

6 SUPPLY, RESET AND CLOCK MANAGEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

6.1 CLOCK SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 0

6.2

RESET SEQUENCE MANAGER (RSM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

7 INTERRUPTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

7.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

7.2

7.3

7.4

7.5

MASKING AND PROCESSING FLOW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

INTERRUPTS AND LOW POWER MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

CONCURRENT & NESTED MANAGEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

INTERRUPT REGISTER DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

8 POWER SAVING MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

8.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

8.2

8.3

WAIT MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

HALT MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

9 I/O PORTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

9.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

9.2

9.3

9.4

FUNCTIONAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

I/O PORT IMPLEMENTATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

10 MISCELLANEOUS REGISTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12 ON-CHIP PERIPHERALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12.1 WATCHDOG TIMER (WDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12.2 TIME BASE UNIT (TBU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

12.3 USB INTERFACE (USB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

102

12.4 SMARTCARD INTERFACE (CRD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

2/102

Table of Contents

13 INSTRUCTION SET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

13.1 ST7 ADDRESSING MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

13.2 INSTRUCTION GROUPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

14 ELECTRICAL CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

14.1 ABSOLUTE MAXIMUM RATINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

14.2 RECOMMENDED OPERATING CONDITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

14.3 SUPPLY AND RESET CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

14.4 CLOCK AND TIMING CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

14.5 MEMORY CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

14.6 SMARTCARD SUPPLY SUPERVISOR ELECTRICAL CHARACTERISTICS . . . . . . . . 82

14.7 EMC CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

14.8 COMMUNICATION INTERFACE CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . 89

15 PACKAGE CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

15.1 PACKAGE MECHANICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

16 DEVICE CONFIGURATION AND ORDERING INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . 92

16.1 DEVICE ORDERING INFORMATION AND TRANSFER OF CUSTOMER CODE . . . . . 93

16.2 DEVELOPMENT TOOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

16.3 ST7 APPLICATION NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

17 SUMMARY OF CHANGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

ERRATA SHEET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

18 SILICON IDENTIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

19 REFERENCE SPECIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20 SILICON LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20.1 UNEXPECTED RESET FETCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20.2 USB: TWO CONSECUTIVE SETUP TOKENS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

20.3 USB BUFFER SHARED MEMORY ACCESS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

20.4 WDG (WATCHDOG) LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

20.5 SUPPLY CURRENT IN HALT MODE (SUSPEND) LIMITATIONS . . . . . . . . . . . . . . . . 100

20.6 START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

20.7 I/O PORT INPUT HIGH LEVEL (VIH) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

21 Device Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

22 ERRATA SHEET ReVISION History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

To obtain the most recent version of this datasheet,

please check at www.st.com>products>technical literature>datasheet

Please note that an errata sheet can be found at the end of this document on

page 99.

3/102

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