ST72P611F1B1 データシートの表示（PDF） - STMicroelectronics

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ST72P611F1B1

LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS, FLASH MEMORY, LVD, WDG, TIMER

STMicroelectronics 

ST7261

1 INTRODUCTION

The ST7261, ST72P61 and ST72F61 devices are

members of the ST7 microcontroller family de-

signed for USB applications.

All devices are based on a common industry-

standard 8-bit core, featuring an enhanced instruc-

tion set.

The ST7261 ROM and ST72P61 FASTROM (Fac-

tory Advanced Service Technique ROM) devices

are factory-programmed and are not reprogram-

mable.

The ST72F61 versions feature dual-voltage

FLASH memory with In-Circuit Programming (ICP)

capability.

Figure 1. General Block Diagram

Under software control, all devices can be placed

in WAIT, SLOW, 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.

OSCI N

OSCOU T

VDD

VSS

RES ET

VPP

OSCILLATOR

Internal

CLOCK

LVD

POWER

SUPPL Y

CONTROL

8-BIT CORE

ALU

USB DMA

PROGRAM

MEMORY

(4 KBytes)

RAM

(256 Bytes)

PORT A

PORT B

TIME BASE UNIT

USB SIE

WAT CHDOG

PA2:0

(3 bits)

PB7:0

(8 bits)

USBD P

USBDM

USB VCC

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