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參數(shù)資料
型號(hào): PCA9500D,112
廠商: NXP Semiconductors
文件頁(yè)數(shù): 4/26頁(yè)
文件大小: 0K
描述: IC I/O EXPANDER I2C 8B 16SOIC
標(biāo)準(zhǔn)包裝: 48
接口: I²C,SM 總線
輸入/輸出數(shù): 8
中斷輸出: 無(wú)
頻率 - 時(shí)鐘: 400kHz
電源電壓: 2.5 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 16-SO
包裝: 管件
包括: EEPROM,POR
產(chǎn)品目錄頁(yè)面: 824 (CN2011-ZH PDF)
其它名稱: 568-1024-5
935271533112
PCA9500D
PCA9500_4
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 15 April 2009
12 of 26
NXP Semiconductors
PCA9500
8-bit I2C-bus and SMBus I/O port with 2-kbit EEPROM
9.
Application design-in information
A central processor/controller typically located on the system main board can use the
400 kHz I2C-bus/SMBus to poll the PCA9500 devices located on the system cards for
status or version control type of information. The PCA9500 may be programmed at
manufacturing to store information regarding board build, rmware version, manufacturer
identication, conguration option data, and so on. Alternately, these devices can be used
as convenient interface for board conguration, thereby utilizing the I2C-bus/SMBus as an
intra-system communication bus.
Fig 19. PCA9500 used as interface for board conguration
I2C-bus
ASIC
GPIO
CONTROL
EEPROM
monitoring
and
control
configuration control
PCA9500
INPUTS
ALARM
LEDs
I2C-bus
card ID, subroutines, configuration data, or revision history
up to
8 cards
BACKPLANE
I2C-bus
CPU
OR
C
002aae586
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