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UPSD325X Datasheet(PDF) 121 Page - STMicroelectronics

Part # UPSD325X
Description  Flash Programmable System Devices with 8032 Microcontroller Core and 256Kbit SRAM
PDF  176 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UPSD325X Datasheet(HTML) 121 Page - STMicroelectronics

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µPSD325X DEVICES
Figure 58. PLD Diagram
Note: 1. Ports A is not available in the 52-pin package
8
INPUT MACROCELL & INPUT PORTS
DIRECT MACROCELL INPUT TO MCU DATA BUS
CSIOP SELECT
SRAM SELECT
SECONDARY NON-VOLATILE MEMORY SELECTS
DECODE PLD
PAGE
REGISTER
PERIPHERAL SELECTS
CPLD
PT
ALLOC.
MACROCELL
ALLOC.
MCELLAB
MCELLBC
DIRECT MACROCELL ACCESS FROM MCU DATA BUS
24 INPUT MACROCELL
(PORT A,B,C)
16 OUTPUT
MACROCELL
PRIMARY FLASH MEMORY SELECTS
2
PORT D INPUTS
TO PORT A OR B1
TO PORT B OR C
DATA
BUS
8
8
8
4
1
1
2
EXTERNAL CHIP SELECTS
TO PORT D
2
16
24
OUTPUT MACROCELL FEEDBACK
AI06600
73
73



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