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ST7SCR_07

更新时间： 2024-02-15 16:27:07
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 闪存微控制器
页数 文件大小 规格书
101页 2113K
描述
8-BIT LOW-POWER, FULL-SPEED USB MCU WITH 16K FLASH, 768 RAM, SMARTCARD I/F, TIMER

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中文翻译

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ST7SCR_07 数据手册

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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: 40 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  
SO24  
QFN24  
LQFP64 14x14  
■ ISO7816-3 UART Interface  
– 2 power saving modes: Halt and Wait modes  
– PLL for generating 48 MHz USB clock using a  
– 4 Mhz Clock generation  
4 MHz crystal  
– Synchronous/Asynchronous protocols (T=0,  
■ Interrupt Management  
T=1)  
– Automatic retry on parity error  
– Nested Interrupt Controller  
■ USB (Universal Serial Bus) Interface  
– Programmable Baud rate from 372 clock puls-  
es up to 11.625 clock pulses (D=32/F=372)  
– 256-byte buffer for full speed bulk, control and  
interrupt transfer types compliant with USB  
specification (version 2.0)  
– Card Insertion/Removal Detection  
■ Smartcard Power Supply  
– On-Chip 3.3V USB voltage regulator and  
– Selectable card V 1.8V, 3V, and 5V  
CC  
transceivers with software power-down  
– 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  
– 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  
■ One 8-bit Timer  
– Up to 4 LED outputs with software program-  
mable constant current (3 or 7 mA).  
– Time Base Unit (TBU) for generating periodic  
interrupts.  
– 2 General purpose I/Os programmable as in-  
terrupts  
■ Development Tools  
– Up to 8 line inputs programmable as interrupts  
– Up to 20 Outputs  
– Full hardware/software development package  
– 1 line assigned by default as static input after  
reset  
Table 1. Device Summary  
Features  
ST7FSCR1T1  
ST7SCR1T1  
ST7FSCR1M1  
ST7SCR1M1  
ST7SCR1U1  
Program memory  
16K FLASH  
16K ROM  
16K FLASH  
16K ROM  
16K ROM  
User RAM (stack) bytes  
Peripherals  
768 (128)  
USB Full-Speed (7 Ep), TBU, Watchdog timer, ISO7816-3 Interface  
Operating Supply  
CPU Frequency  
Operating temperature  
Package  
4.0 to 5.5V  
4 or 8 Mhz  
0°C to +70°C  
LQFP64  
SO24  
QFN24  
Rev. 4.0  
Apr 2007  
1/101  
1
www.st.com  
1234567...101

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