uPSD3234A, uPSD3234BV
uPSD3233B, uPSD3233BV
Flash Programmable System Devices
with 8032 Microcontroller Core and 64 Kbit SRAM
FEATURES SUMMARY
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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
– I
2
C 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
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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
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STMICROELECTRONICS [ STMICROELECTRONICS ]
