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3-2 Port Control Registers
3-2-1 Overview
28 registers control the I/O ports. See table 3-2-1.
Table 3-2-1 I/O Port Control Registers (1/2)
Name
Address
X'03F10'
P0OUT
X'03F11'
P1OUT
X'03F12'
P2OUT
X'03F16'
P6OUT
X'03F17'
P7OUT
X'03F18'
P8OUT
X'03F20'
P0IN
X'03F21'
P1IN
P2IN
X'03F22'
X'03F26'
P6IN
X'03F27'
P7IN
X'03F28'
P8IN
X'03F2A'
PAIN
X'03F30'
P0DIR
X'03F31'
P1DIR
R/W
Port 0 output register
R/W
Port 1 output register
R/W
Port 2 output register
R/W
Port 6 output register
R/W
Port 7 output register
R/W
Port 8 output register
R/W
Port 0 input register
R
Port 1 input register
R
Port 2 input register
R
Port 6 input register
R
Port 7 input register
R
Port 8 input register
R
Port A input register
R
Port 0 direction control register
R/W
Port 1 direction control register
R/W
Function
Chapter 3 Port Functions
41
Port Control Registers
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