ST72324BL 查看數據表（PDF） - STMicroelectronics

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ST72324BL

3V RANGE 8-BIT MCU WITH 8 TO 32K FLASH/ROM, 10-BIT ADC, 4 TIMERS, SPI, SCI INTERFACE

STMicroelectronics 

ST72F324L, ST72324BL

1 INTRODUCTION

The ST72F324L and ST72324BL devices are

members of the ST7 microcontroller family de-

signed for the 3V operating range. They can be

grouped as follows:

– The 32-pin devices are designed for mid-range

applications

– The 44-pin devices target the same range of ap-

plications requiring more than 24 I/O ports.

All devices are based on a common industry-

standard 8-bit core, featuring an enhanced instruc-

Figure 1. Device Block Diagram

tion set and are available with FLASH or ROM pro-

gram memory.

Under software control, all devices can be placed

in WAIT, SLOW, ACTIVE-HALT or HALT mode,

reducing power consumption when the application

is in idle or stand-by state.

The enhanced instruction set and addressing

modes of the ST7 offer both power and flexibility to

software developers, enabling the design of highly

efficient and compact application code. In addition

to standard 8-bit data management, all ST7 micro-

controllers feature true bit manipulation, 8x8 un-

signed multiplication and indirect addressing

modes.

RESET

VPP

VSS

VDD

OSC1

OSC2

PF7:6,4,2:0

(6 bits on J devices)

(5 bits on K devices)

PE1:0

(2 bits)

PD5:0

(6 bits on J devices)

(2 bits on K devices)

VAREF

VSSA

8-BIT CORE

ALU

CONTROL

OSC

MCC/RTC/BEEP

PORT F

TIMER A

BEEP

PORT E

SCI

PORT D

10-BIT ADC

PROGRAM

MEMORY

(8K - 60K Bytes)

RAM

(384 - 2048 Bytes)

WATCHDOG

PORT A

PORT B

PORT C

TIMER B

SPI

PA7:3

(5 bits on J devices)

(4 bits on K devices)

PB4:0

(5 bits on J devices)

(3 bits on K devices)

PC7:0

(8 bits)

6/151

3

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