參數(shù)資料
型號: PCA9698
廠商: NXP Semiconductors N.V.
英文描述: 40-bit Fm+ I2C-bus advanced I/O port with RESET, OE and INT
中文描述: 40位調(diào)頻I2C總線先進(jìn)的I / O復(fù)位,光電和INT端口
文件頁數(shù): 31/47頁
文件大小: 214K
代理商: PCA9698
PCA9698_2
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 02 — 19 July 2006
31 of 47
Philips Semiconductors
PCA9698
40-bit Fm+ I
2
C-bus advanced I/O port with RESET, OE and INT
9.
Application design-in information
Device address configured as ‘0010 000x’ for this example.
IO0_0, IO0_2, IO0_3, IO1_0 to IO3_7 are configured as outputs.
IO0_1, IO0_4, IO4_0 to IO4_7 are configured as inputs.
Fig 25. Typical application
PCA9698
IO0_0
IO0_1
IO0_2
SCL
SDA
RESET
V
DD
002aab954
SCL
SDA
1.6 k
IO0_3
V
DD
V
SS
MASTER
CONTROLLER
V
SS
V
DD
2 k
SUBSYSTEM 1
(e.g., temp. sensor)
INT
SUBSYSTEM 2
(e.g., counter)
RESET
controlled switch
(e.g., CBT device)
A
B
enable
INT/SMBALERT
OE
5 V
1.6 k
RESET
INT
OE
1.1 k
(optional)
2 k
1.1 k
(optional)
SUBSYSTEM 3
(e.g., alarm system)
ALARM
IO0_4
IO0_5
V
DD
IO1_0
IO3_7
24 LED MATRIX
IO4_0
IO4_7
ALPHANUMERIC
KEYPAD
AD2
AD1
AD0
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