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ST7SCRDIE Datasheet

  • ST7SCRDIE

  • 8-BIT LOW-POWER, FULL-SPEED USB MCU WITH 16K FLASH, 768 RAM,...

  • STMicroelectronics   STMicroelectronics

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ST7SCR
8-BIT LOW-POWER, FULL-SPEED USB MCU WITH 16K
FLASH, 768 RAM, SMARTCARD I/F, TIMER
s
s
s
s
s
Memories
鈥?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擄C
鈥?Up to 768 bytes of RAM including up to 128
bytes stack and 256 bytes USB buffer
Clock, Reset and Supply Management
鈥?Low Voltage Reset
鈥?2 power saving modes: Halt and Wait modes
鈥?PLL for generating 48 MHz USB clock using a
4 MHz crystal
Interrupt Management
鈥?Nested Interrupt Controller
USB (Universal Serial Bus) Interface
鈥?256-byte buffer for full speed bulk, control and
interrupt transfer types compliant with USB
specification (version 2.0)
鈥?On-Chip 3.3V USB voltage regulator and
transceivers with software power-down
鈥?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:
鈥?Up to 4 LED outputs with software program-
mable constant current (3 or 7 mA).
鈥?2 General purpose I/Os programmable as in-
terrupts
鈥?Up to 8 line inputs programmable as interrupts
鈥?Up to 20 Outputs
鈥?1 line assigned by default as static input after
reset
ST7FSCR1R4
16K FLASH
TQFP64 14x14
s
SO24
s
s
s
ISO7816-3 UART Interface:
鈥?4 Mhz Clock generation
鈥?Synchronous/Asynchronous protocols (T=0,
T=1)
鈥?Automatic retry on parity error
鈥?Programmable Baud rate from 372 clock puls-
es up to 11.625 clock pulses (D=32/F=372)
鈥?Card Insertion/Removal Detection
Smartcard Power Supply:
鈥?Selectable card V
CC
1.8V, 3V, and 5V
鈥?Internal Step-up converter for 5V supplied
Smartcards (with a current of up to 55mA) us-
ing only two external components.
鈥?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
鈥?Time Base Unit (TBU) for generating periodic
interrupts.
Development Tools
鈥?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擄C to +70擄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
1

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