PSD825G3-C-15UI 查看數據表（PDF） - STMicroelectronics

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PSD825G3-C-15UI

Configurable Memory System on a Chip for 8-Bit Microcontrollers

STMicroelectronics 

DATA

BUS

8

PAGE

REGISTER

8

DECODE PLD

82

4

1

1

2

1

16 OUTPUT MICRO⇔CELL FEEDBACK

FLASH MEMORY SELECTS

FLASH BOOT MEMORY SELECTS

SRAM SELECT

CSIOP SELECT

PERIPHERAL I/O MODE SELECTS

JTAG SELECT

DIRECT MICRO⇔CELL ACCESS FROM MCU DATA BUS

CPLD

16 OUTPUT

MICRO⇔CELL

PT

82

ALLOC.

24 INPUT MICRO⇔CELL

(PORT A,B,C)

DIRECT MICRO⇔CELL INPUT TO MCU DATA BUS

24

INPUT MICRO⇔CELL & INPUT PORTS

12

PORT D AND F INPUTS

MCELLA

TO PORT A

8

MCELLB

TO PORT B

8

8

EXTERNAL CHIP SELECTS

TO PORT C OR F

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