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UPSD3233 Datasheet(PDF) 113 Page - STMicroelectronics

Part # UPSD3233
Description  Flash Programmable System Devices with 8032 Microcontroller Core
PDF  170 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UPSD3233 Datasheet(HTML) 113 Page - STMicroelectronics

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uPSD3234A, uPSD3234BV, uPSD3233B, uPSD3233BV
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
20 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
20
OUTPUT MACROCELL FEEDBACK
AI06600
73
73



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