Datasheet

2012-2013 Microchip Technology Inc. DS20005142B-page 13
23A1024/23LC1024
3.8 SPI/SDI and SQI Pin Designations
CS
SIO1
NC
Vss
Vcc
HOLD
SCK
SIO0
1
2
3
4
8
7
6
5
SDI Mode:
CS
SIO1
SIO2
Vss
Vcc
SIO3
SCK
SIO0
1
2
3
4
8
7
6
5
SQI Mode:
CS
SO
NC
Vss
Vcc
HOLD
SCK
SI
1
2
3
4
8
7
6
5
SPI Mode:
Note: Pin 3 should not be left floating when
not using SQI Operation.