PSD814G3-B-90UI 데이터 시트보기 (PDF) - STMicroelectronics

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PSD814G3-B-90UI

Configurable Memory System on a Chip for 8-Bit Microcontrollers

STMicroelectronics 

I /O PORTS (PORT A,B,C,F)

(INPUTS)

(32)

MCELLA.FB [7:0] (FEEDBACKS)

(8)

MCELLB.FB [7:0] (FEEDBACKS)

(8)

PGR0 - PGR7

(8)

A[15:0] *

(16)

PD[3:0] (ALE,CLKIN,CSI)

(4)

PDN (APD OUTPUT)

(1)

CNTRL[2:0] (READ/WRITE CONTROL SIGNALS) (3)

RESET

(1)

RD_BSY

(1)

*NOTE: 1. The address inputs are A[19:4] in 80C51XA mode.

2. Additional address lines can be brought into PSD via Port A, B, C, D or F.

3

CSBOOT 0

3

CSBOOT 1

4 SECONDARY

3

CSBOOT 2

FLASH MEMORY

SECTOR SELECTS

3

CSBOOT 3

3

FS0

3

3

3

8 FLASH MEMORY

3

SECTOR SELECTS

3

3

3

FS7

3

RS0

SRAM SELECT

CSIOP

PSEL0

PSEL1

I/O DECODER

SELECT

PERIPHERAL I/O MODE

SELECT

JTAGSEL

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