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  ST7232A Processors
          
  Part Number Family Manufacturer Core Variant Freq. Flash/ROM Package
 
 ST72F32AK2T6  ST7232x  STMicroelectronics  STMicroelectronics ST7  8MHz  8192  LQFP32
 ST72F32AK2B6  ST7232x  STMicroelectronics  STMicroelectronics ST7  8MHz  8192  PDIP32
 ST72F32AK1T6  ST7232x  STMicroelectronics  STMicroelectronics ST7  8MHz  4096  LQFP32
 ST72F32AK1B6  ST7232x  STMicroelectronics  STMicroelectronics ST7  8MHz  4096  PDIP32
 ST72F32AJ2T6  ST7232x  STMicroelectronics  STMicroelectronics ST7  8MHz  8192  TQFP44
 ST72F32AJ2B6  ST7232x  STMicroelectronics  STMicroelectronics ST7  8MHz  8192  PDIP42
 ST72F32AJ1T6  ST7232x  STMicroelectronics  STMicroelectronics ST7  8MHz  4096  TQFP44
 ST72F32AJ1B6  ST7232x  STMicroelectronics  STMicroelectronics ST7  8MHz  4096  PDIP42
  

8-Bit MCU 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 Programming for HDFlash devices
  • 384 bytes RAM
  • HDFlash endurance: 100 cycles, data retention: 40 years at 85°C
Clock, Reset And Supply Management
  • Clock sources: crystal/ceramic resonator oscillators 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