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PCA9505 데이터시트(PDF) 3 Page - NXP Semiconductors

부품명 PCA9505
상세설명  40-bit I2C-bus I/O port with RESET, OE and INT
PDF  34 Pages
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제조업체  NXP [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA9505 데이터시트(HTML) 3 Page - NXP Semiconductors

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PCA9505_9506
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 4 — 3 August 2010
3 of 34
NXP Semiconductors
PCA9505/06
40-bit I2C-bus I/O port with RESET, OE and INT
5.
Block diagram
All I/Os are set to inputs at power-up and RESET.
Fig 1.
Block diagram of PCA9505/06
PCA9505/PCA9506
POWER-ON
RESET
002aab492
VSS
VDD
RESET
I2C-BUS
CONTROL
LOW PASS
INPUT
FILTERS
SCL
SDA
A0
A1
INT
OE
8-bit
IO0_0
IO0_1
IO0_2
IO0_3
IO0_4
IO0_5
IO0_6
IO0_7
INPUT/
OUTPUT
PORTS
BANK 0
write pulse 0
read pulse 0
BANK 1
BANK 2
BANK 3
8-bit
IO4_0
IO4_1
IO4_2
IO4_3
IO4_4
IO4_5
IO4_6
IO4_7
INPUT/
OUTPUT
PORTS
BANK 4
write pulse 4
read pulse 4
A2
LP FILTER
INTERRUPT
MANAGEMENT



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