Rev. 1.0, 02/00, page 244 of 1141
10.9.3
Pin Functions
This section describes the port 8 pin functions and their selection methods.
P87/DPG: P87/DPG is switched as shown below according to the PMR87 bit in PMR8 and
PCR87 bit in PCR8.
PMR87
PCR87
Pin Function
0
P87 input pin
0
1
P87 output pin
1
*
DPG input pin
P86/EXTTRG: P86/EXTTRG is switched as shown below according to the PMR86 bit in PMR8
and PCR86 bit in PCR8.
PMR86
PCR86
Pin Function
0
P86 input pin
0
1
P86 output pin
1
*
EXTTRG input pin
P85/COMP/B: P85/COMP/B is switched as shown below according to the PMR85 bit in PMR8,
PMRC5 bit in PMRC, and PCR85 bit in PCR8.
PMRC5
PMR85
PCR85
Pin Function
0
P85 input pin
0
0
1
P85 output pin
*
1
*
COMP input pin
1
0
*
B output pin
P84/H.Amp SW/G: P84/H.Amp SW/G is switched as shown below according to the PMR84 bit
in PMR, PMRC4 bit in PMRC, and PCR84 bit in PCR8.
PMRC4
PMR84
PCR84
Pin Function
0
P84 input pin
0
0
1
P84 output pin
*
1
*
H.Amp SW output pin
1
0
*
G output pin