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3.8 SPI/SDI and SQI Pin Designations
SPI Mode:
CS 1
SO 2
NC 3
Vss 4
8 Vcc
7 HOLD
6 SCK
5 SI
SDI Mode:
CS 1
SIO1 2
NC 3
Vss 4
8 Vcc
7 HOLD
6 SCK
5 SIO0
SQI Mode:
CS 1
SIO1 2
SIO2 3
Vss 4
8 Vcc
7 SIO3
6 SCK
5 SIO0
Note: Pin 3 should not be left floating when
using SPI/SDI mode.
23A512/23LC512
2012-2013 Microchip Technology Inc.
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DS20005155B-page 13