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UPSD3254AV-40T6 Datasheet

  • UPSD3254AV-40T6

  • Flash Programmable System Devices with 8032 Microcontroller ...

  • 176頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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碌PSD325X
Flash Programmable System Devices
with 8032 Microcontroller Core and 256Kbit SRAM
FEATURES SUMMARY
s
The 碌PSD325X devices combine a Flash PSD
architecture with an 8032 microcontroller core.
The 碌PSD325X 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
碌PSD325X devices are also in-system pro-
grammable (ISP) via a JTAG ISP interface.
s
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
s
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 50 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)
November 2002
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