UPSD3253B Datasheet

  • UPSD3253B

  • FLASH PROGRAMMABLE SYSTEM DEVICES WITH 8032 MICROCONTROLLER ...

  • 1727.24KB

  • STMicroelectronics   STMicroelectronics

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UPSD3254A, UPSD3254BV
UPSD3253B, UPSD3253BV
Flash Programmable System Devices
with 8032 Microcontroller Core
FEATURES SUMMARY
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The uPSD325X devices combine a Flash PSD
architecture with an 8032 microcontroller core.
The uPSD325X devices of Flash PSDs feature
dual banks of Flash memory, SRAM, general
purpose I/O and programmable logic, supervi-
sory functions and access via USB, I
2
C, ADC,
DDC and PWM channels, and an on-board
8032 microcontroller core, with two UARTs,
three 16-bit Timer/Counters and two External
Interrupts. As with other Flash PSD families, the
uPSD325X devices are also in-system pro-
grammable (ISP) via a JTAG ISP interface.
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Large 32KByte SRAM with battery back-up
option
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Figure 1. 52-lead, Thin, Quad, Flat Package
TQFP52 (T)
Dual bank Flash memories
鈥?128KByte or 256KByte main Flash memory
鈥?32KByte secondary Flash memory
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Content Security
鈥?Block access to Flash memory
Programmable Decode PLD for flexible address
mapping of all memories within 8032 space.
High-speed clock standard 8032 core (12-cycle)
USB Interface (some devices only)
I
2
C interface for peripheral connections
5 Pulse Width Modulator (PWM) channels
Analog-to-Digital Converter (ADC)
Standalone Display Data Channel (DDC)
Six I/O ports with up to 46 I/O pins
3000 gate PLD with 16 macrocells
Supervisor functions with Watchdog Timer
In-System Programming (ISP) via JTAG
Zero-Power Technology
Single Supply Voltage
鈥?4.5 to 5.5V
鈥?3.0 to 3.6V
Figure 2. 80-lead, Thin, Quad, Flat Package
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TQFP80 (U)
September 2003
Rev. 1.2
1/175

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