ST72311R datasheet(6/164 Pages) STMICROELECTRONICS

6 / 164 page

ST72311R, ST72511R, ST72512R, ST72532R

6/164

1 GENERAL DESCRIPTION

1.1 INTRODUCTION

The

ST72311R,

ST72511R,

ST72512R and

ST72532R devices are members of the ST7 mi-

crocontroller family. They can be grouped as fol-

lows:

– ST725xxR devices are designed for mid-range

applications with a CAN bus interface (Controller

Area Network)

– ST72311R devices target the same range of ap-

plications but without CAN interface.

All devices are based on a common industry-

standard 8-bit core, featuring an enhanced instruc-

tion set.

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 standby 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.

Figure 1. Device Block Diagram

8-BIT CORE

ALU

OSC1

VPP

CONTROL

PROGRAM

(16K - 60K Bytes)

VSS

RESE T

PORT F

PF7:0

(8-BIT)

TIMER A

BEEP

PORT A

RAM

(1024, 2048 Bytes)

PORT C

8-BIT ADC

VDDA

VSSA

PORT B

PB7:0

(8-BIT)

PWM ART

PORT E

CAN

PE7:0

(8-BIT)

SCI

TIMER B

PA7:0

(8-BIT)

PORT D

PD7:0

(8-BIT)

SPI

PC7:0

(8-BIT)

VDD

EEPROM

(256 Bytes)

WATCHDOG

TLI

OSC

LVD

OSC2

MEMORY

MCC/RTC

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