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ST7232A 数据表(PDF) 1 Page - STMicroelectronics

部件名 ST7232A
功能描述  8-BIT MICROCONTROLLER WITH 8K FLASH/ROM, ADC, 4 TIMERS, SPI, SCI INTERFACE
Download  157 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST7232A 数据表(HTML) 1 Page - STMicroelectronics

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December 2005
1/157
Rev. 2
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
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
TQFP32
7 x 7
SDIP32
400mil
SDIP42
TQFP44
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
1


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