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ST7232AJ1B6A

Description
8-BIT MICROCONTROLLER WITH 8K FLASH/ROM, ADC, 4 TIMERS, SPI, SCI INTERFACE
File Size1MB,157 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Download Datasheet View All

ST7232AJ1B6A Overview

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