SST49LF080A datasheet(15/50 Pages) MICROCHIP

номер детали	SST49LF080A

подробное описание детали	8 Mbit LPC Flash

PDF	50 Pages

Scroll/Zoom	100%

производитель	MICROCHIP [Microchip Technology]

домашняя страница	http://www.microchip.com

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15 / 50 page

DS20005086B

11/14

8 Mbit LPC Flash

SST49LF080A

Data Sheet

Registers

There are two registers available on the SST49LF080A, the General Purpose Inputs Registers

(GPI_REG) and the JEDEC ID Registers. Since multiple LPC memory devices may be used to

increase memory densities, these registers appear at its respective address location in the 4 GByte

system memory map. Unused register locations will read as 00H. Any attempt to read registers during

internal Write operation will respond as “Write operation status detection” (Data# Polling or Toggle Bit).

Any attempt to write any registers during internal Write operation will be ignored. Table 9 lists

GPI_REG and JEDEC ID address locations for SST49LF080A with its respective device strapping.

Table 8: General Purpose Inputs Register

Bit

Function

Pin #

32-PLCC

32-TSOP

7:5

Reserved

GPI[4]

Reads status of general

purpose input pin

GPI[3]

Reads status of general

purpose input pin

311

GPI[2]

Reads status of general

purpose input pin

412

GPI[1]

Reads status of general

purpose input pin

513

GPI[0]

Reads status of general

purpose input pin

614

T8.0 25026

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