PSD834F2-10J Просмотр технического описания (PDF) - STMicroelectronics

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PSD834F2-10J

Flash PSD, 3.3V Supply, for 8-bit MCUs 2 Mbit + 256 Kbit Dual Flash Memories and 64 Kbit SRAM

STMicroelectronics 

PSD834F2V

Figure 10. PLD Diagram

8

ATA

PAGE

US

REGISTER

DECODE PLD

8

73

4

1

1

2

1

PRIMARY FLASH MEMORY SELECTS

SECONDARY NON-VOLATILE MEMORY SELECTS

SRAM SELECT

CSIOP SELECT

PERIPHERAL SELECTS

JTAG SELECT

16 OUTPUT MACROCELL FEEDBACK

DIRECT MACROCELL ACCESS FROM MCU DATA BUS

t(s) CPLD

16 OUTPUT

c MACROCELL

MACROCELL

u PT

ALLOC.

d 73

ALLOC.

ro 24 INPUT MACROCELL

(PORT A,B,C)

lete P DIRECT MACROCELL INPUT TO MCU DATA BUS

bso 24

INPUT MACROCELL & INPUT PORTS

MCELLAB

TO PORT A OR B 8

MCELLBC

TO PORT B OR C 8

3

EXTERNAL CHIP SELECTS

TO PORT D

Obsolete Product(s) - O 3

PORT D INPUTS

AI02872

28/95

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