|
ST7232A_0512 Datasheet, PDF (1/157 Pages) STMicroelectronics – 8-BIT MICROCONTROLLER WITH 8K FLASH/ROM, ADC, 4 TIMERS, SPI, SCI INTERFACE | |||
|
ST7232A
8-BIT MICROCONTROLLER WITH 8K FLASH/ROM,
ADC, 4 TIMERS, SPI, SCI INTERFACE
â Memories
â 8K dual voltage High Density Flash (HDFlash)
or ROM with read-out protection capability. In-
Application Programming and In-Circuit Pro-
gramming for HDFlash devices
â 384 bytes RAM
â HDFlash endurance: 100 cycles, data reten-
tion: 40 years at 85°C
â Clock, Reset And Supply Management
â Clock sources: crystal/ceramic resonator os-
cillators and bypass for external clock
â PLL for 2x frequency multiplication
â Four Power Saving Modes: Halt, Active-Halt,
Wait and Slow
â Interrupt Management
â Nested interrupt controller
â 14 interrupt vectors plus TRAP and RESET
â 6 external interrupt lines (on 4 vectors)
â Up to 32 I/O Ports
â 32/24 multifunctional bidirectional I/O lines
â 22/17 alternate function lines
â 12/10 high sink outputs
â 4Timers
â Main Clock Controller with: Real time base,
Beep and Clock-out capabilities
â Configurable watchdog timer
â Two 16-bit Timers with: 2 input captures, 2
output compares, PWM and pulse generator
modes
â 2 Communications Interfaces
â SPI synchronous serial interface
â SCI asynchronous serial interface
TQFP32
7x7
SDIP32
400mil
TQFP44
SDIP42
â 1 Analog peripheral (low current coupling)
â 10-bit ADC with up to 12 robust input ports
â Instruction Set
â 8-bit Data Manipulation
â 63 Basic Instructions
â 17 main Addressing Modes
â 8 x 8 Unsigned Multiply Instruction
â Development Tools
â Full hardware/software development package
â In-Circuit Testing capability
Device Summary
Features ST72F32AK1 ST72F32AK2 ST72F32AJ1 ST72F32AJ2 ST7232AK1 ST7232AK2 ST7232AJ1 ST7232AJ2
Program memory
- bytes
FLASH 4K
FLASH 8K
FLASH 4K FLASH 8K
ROM 4K
ROM 8K
ROM 4K ROM 8K
RAM (stack) -
bytes
384 (256)
384 (256)
Operating Voltage
3.8V to 5.5V
3.8V to 5.5V
Temp. Range
up to -40°C to +125°C
up to -40°C to +125°C
Package
SDIP32 400mils /
TQFP32 7x7
SDIP42 600mils /
TQFP44 10x10
SDIP32 400mils /
TQFP32 7x7
SDIP42 600mils /
TQFP44 10x10
December 2005
Rev. 2
1/157
1
|
▷ |