
MAXQ612/MAXQ622 User’s Guide
6-6 Maxim Integrated
Bits 7:0: Port 0 Input Bits. The read values of these bits reflect the logic states present at port 0 pins P0.0 to P0.7.
Bits 7:0: Port 1 Input Bits. The read values of these bits reflect the logic states present at port 1 pins P1.0 to P1.7.
Bits 7:0: Port 2 Input Bits. The read values of these bits reflect the logic states present at port 2 pins P2.0 to P2.7.
Bits 7:0: Port 3 Input Bits. The read values of these bits reflect the logic states present at port 3 pins P3.0 to P4.7.
Register Name
PI0
Register Description
Port 0 Input Register
Register Address
M0[08h]
Bit # 7 6 5 4 3 2 1 0
Name PI0.7 PI0.6 PI0.5 PI0.4 PI0.3 PI0.2 PI0.1 PI0.0
Reset s s s s s s s s
Access r r r r r r r r
Register Name
PI1
Register Description
Port 1 Input Register
Register Address
M0[09h]
Register Name
PI2
Register Description
Port 2 Input Register
Register Address
M0[0Ah]
Register Name
PI3
Register Description
Port 3 Input Register
Register Address
M0[0Bh]
Bit # 7 6 5 4 3 2 1 0
Name PI1.7 PI1.6 PI1.5 PI1.4 PI1.3 PI1.2 PI1.1 PI1.0
Reset s s s s s s s s
Access r r r r r r r r
Bit # 7 6 5 4 3 2 1 0
Name PI2.7 PI2.6 PI2.5 PI2.4 PI2.3 PI2.2 PI2.1 PI2.0
Reset s s s s s s s s
Access r r r r r r r r
Bit # 7 6 5 4 3 2 1 0
Name PI3.7 PI3.6 PI3.5 PI3.4 PI3.3 PI3.2 PI3.1 PI3.0
Reset s s s s s s s s
Access r r r r r r r r
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