PCA8550 データシートの表示（PDF） - NXP Semiconductors.
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PCA8550 Datasheet PDF : 23 Pages
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NXP Semiconductors
4. Block diagram
MUX_SELECT
PCA8550
4-bit multiplexed/1-bit latched 5-bit I2C EEPROM DIP switch
OVERRIDE_N
3
SCL
1
SDA
2
CHIP
SET
16 VCC
GND
8
15 WRITE
PROTECT
100 - 150 kΩ
INPUT
FILTER
5-BIT
EEPROM
POWER-ON
RESET
OE
A20M
4
MUX_IN_A
IGNNE
5
MUX_IN_B
6 LINT0/INTR
MUX_IN_C
LINT1/NMI
7
MUX_IN_D
10 - 30 kΩ
Fig 1. Block diagram
LATCH
NMO
SELECT
14
NON_MUX_OUT
0
3.3 V
3.3 V
3.3 V
3.3 V
2.5 V A20M
MUX_OUT A
/FSBM0
2.5 V IGNNE
MUX_OUT B
/FSBM1
2.5 V LINT0/INTR
MUX_OUT C
/FSBM2
2.5 V LINT1/NMI
MUX_OUT D
/FSBM3
12
PENTIUM PRO/
PENTIUM II
PROCESSORS
11
10
9
1
aaa-017596
PCA8550
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 8 April 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
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