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ST7LITE3 Datasheet(PDF) 1 Page - STMicroelectronics

Part No. ST7LITE3
Description  8-BIT MCU WITH SINGLE VOLTAGE FLASH, DATA EEPROM, ADC, TIMERS, SPI, LINSCI
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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July 2005
1/167
Rev. 4.0
ST7LITE3
8-BIT MCU WITH SINGLE VOLTAGE FLASH, DATA EEPROM, ADC,
TIMERS, SPI, LINSCI
Memories
– 8 Kbytes program memory: single voltage ex-
tended Flash (XFlash) Program memory with
read-out protection, In-Circuit Programming
and In-Application programming (ICP and
IAP), data retention: 20 years at 55°C.
– 384 bytes RAM
– 256 bytes data EEPROM with read-out pro-
tection. 300K write/erase cycles guaranteed,
data retention: 20 years at 55°C.
Clock, Reset and Supply Management
– Enhanced reset system
– Enhanced low voltage supervisor (LVD) for
main supply and an auxiliary voltage detector
(AVD) with interrupt capability for implement-
ing safe power-down procedures
– Clock sources: Internal RC1% oscillator, crys-
tal/ceramic resonator or external clock
– Optional x4 or x8 PLL for 4 or 8 MHz internal
clock
– Five Power Saving Modes: Halt, Active-Halt,
Wait and Slow, Auto Wake Up From Halt
I/O Ports
– Up to 15 multifunctional bidirectional I/O lines
–7 high sink outputs
5 Timers
– Configurable Watchdog Timer
– Two 8-bit Lite Timers with prescaler,
1 realtime base and 1 input capture
– Two 12-bit Auto-reload Timers with 4 PWM
outputs, input capture and output compare
functions
2 Communication Interfaces
– Master/slave LINSCI
™ asynchronous serial
interface
– SPI synchronous serial interface
Interrupt Management
– 10 interrupt vectors plus TRAP and RESET
– 12 external interrupt lines (on 4 vectors)
A/D Converter
– 7 input channels
– 10-bit resolution
Instruction Set
8-bit data manipulation
– 63 basic instructions with illegal opcode
detection
– 17 main addressing modes
– 8 x 8 unsigned multiply instructions
Development Tools
– Full hardware/software development package
– DM (Debug module)
Device Summary
DIP20
SO20
Features
ST7LITE30
ST7LITE35
ST7LITE39
Program memory - bytes
8K
RAM (stack) - bytes
384 (128)
Data EEPROM - bytes
-
-
256
Peripherals
Lite Timer, Autoreload Timer, SPI, LINSCI, 10-bit ADC
Operating Supply
2.7V to 5.5V
CPU Frequency
Up to 8Mhz
(w/ ext OSC up to 16MHz)
Up to 8Mhz (w/ ext OSC up to 16MHz
and int 1MHz RC 1% PLLx8/4MHz)
Operating Temperature
-40°C to +85°C
Packages
SO20 300”, DIP20
1




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