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ST7LITE1 Datasheet(PDF) 1 Page - STMicroelectronics

Part No. ST7LITE1
Description  8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, 4 TIMERS, SPI
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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December 2004
1/131
Rev. 2.0
ST7LITE1
8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY,
DATA EEPROM, ADC, 4 TIMERS, SPI
■ Memories
– 4 Kbytes single voltage extended Flash
(XFlash) Program memory with read-out pro-
tection, In-Circuit Programming and In-Appli-
cation programming (ICP and IAP). 10K write/
erase cycles guaranteed, data retention: 20
years at 55°C.
– 256 bytes RAM
– 128 bytes data E2PROM with read-out protec-
tion. 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 1% RC oscillator (on
some devices), crystal/ceramic resonator or
external clock
– Internal 32-MHz input clock for Auto-reload
timer
– Optional x4 or x8 PLL for 4 or 8 MHz internal
clock
– Five Power Saving Modes: Halt, Active-Halt,
Auto Wake-up from Halt, Wait and Slow
■ I/O Ports
– Up to 15 multifunctional bidirectional I/O lines
–7 high sink outputs
■ 4 Timers
– Configurable watchdog timer
– Two 8-bit Lite Timers with prescaler,
1 realtime base and 1 input capture
– One 12-bit Auto-reload Timer with 4 PWM
outputs, input capture and output compare
functions
■ Communication Interface
– SPI synchronous serial interface
■ Interrupt Management
– 10 interrupt vectors plus TRAP and RESET
– 15 external interrupt lines (on 4 vectors)
■ A/D Converter
– 7 input channels
– Fixed gain Op-amp
– 13-bit precision for 0 to 430 mV (@ 5V VDD)
– 10-bit precision for 430 mV to 5V (@ 5V VDD)
■ Instruction Set
– 8-bit data manipulation
– 63 basic instructions with illegal opcode de-
tection
– 17 main addressing modes
– 8 x 8 unsigned multiply instructions
■ Development Tools
– Full hardware/software development package
– DM (Debug Module)
Device Summary
SO20
Features
ST7LITE10
ST7LITE15
ST7LITE19
Program memory - bytes
4K
RAM (stack) - bytes
256 (128)
Data EEPROM - bytes
-
-
128
Peripherals
Lite Timer with Watchdog,
Autoreload Timer, SPI,
10-bit ADC with Op-Amp
Lite Timer with Watchdog,
Autoreload Timer with 32-MHz input clock,
SPI, 10-bit ADC with Op-Amp
Operating Supply
2.4V 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”
1




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