UPSD3233 查看數據表（PDF） - STMicroelectronics

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UPSD3233

Flash Programmable System Devices with 8032 Microcontroller Core and 64 Kbit SRAM

STMicroelectronics 

uPSD3234A, uPSD3234BV

uPSD3233B, uPSD3233BV

Flash Programmable System Devices

with 8032 Microcontroller Core and 64 Kbit SRAM

FEATURES SUMMARY

■ FAST 8-BIT 8032 MCU

– 40MHz at 5.0V, 24MHz at 3.3V

– Core, 12-clocks per instruction

■ DUAL FLASH MEMORIES WITH MEMORY

MANAGEMENT

– Place either memory into 8032 program

address space or data address space

– READ-while-WRITE operation for In-

Application Programming and EEPROM

emulation

– Single voltage program and erase

– 100K minimum erase cycles, 15-year

retention

■ CLOCK, RESET, AND SUPPLY

MANAGEMENT

– SRAM is Battery Backup capable

– Normal, Idle, and Power Down Modes

– Power-on and Low Voltage reset

supervisor

– Programmable Watchdog Timer

■ PROGRAMMABLE LOGIC, GENERAL

PURPOSE

– 16 macrocells

– Implements state machines, glue-logic,

and so forth

■ COMMUNICATION INTERFACES

– USB v1.1, low-speed 1.5Mbps, 3

endpoints

– I2C Master/Slave bus controller

– Two UARTs with independent baud rate

– Six I/O ports with up to 46 I/O pins

– 8032 Address/Data bus available on

TQFP80 package

– 5 PWM outputs, 8-bit resolution

■ JTAG IN-SYSTEM PROGRAMMING

– Program the entire device in as little as

10 seconds

Figure 1. Packages

TQFP52 (T)

52-lead, Thin,

Quad Flat

TQFP80 (U)

80-lead, Thin,

Qual Flat

■ A/D CONVERTER

– Four channels, 8-bit resolution, 10µs

■ TIMERS AND INTERRUPTS

– Three 8032 standard 16-bit timers

– 10 Interrupt sources with two external

interrupt pins

■ Single Supply Voltage

– 4.5 to 5.5V

– 3.0 to 3.6V

November 2004

1/170

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