PCA9501_4

© NXP B.V. 2009. All rights reserved.

Product data sheet

Rev. 04 — 10 February 2009

13 of 28

NXP Semiconductors

PCA9501

9.

Application design-in information

A central processor/controller typically located on the system main board can use the

status or version control type of information. The PCA9501 may be programmed at

manufacturing to store information regarding board build, firmware version, manufacturer

identification, configuration option data, and so on. Alternately, these devices can be used

intra-system communication bus

Fig 21. PCA9501 used as interface for board configuration

ASIC

GPIO

CONTROL

EEPROM

monitoring

and

control

configuration control

PCA9501

INPUTS

ALARM

LEDs

card ID, subroutines, configuration data, or revision history

up to

64 cards

BACKPLANE

CPU

OR

µC

002aac026