Pin Functions - Hitachi H8S/2199 Hardware Manual

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
0 0
1
1
*
P86/EXTTRG: P86/EXTTRG is switched as shown below according to the PMR86 bit in PMR8
and PCR86 bit in PCR8.
PMR86 PCR86
0 0
1
1 *
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
0 0
* 1
1 0
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
0 0
1
*
1 0
Rev. 1.0, 02/00, page 244 of 1141
Pin Function
P87 input pin
P87 output pin
DPG input pin
Pin Function
P86 input pin
P86 output pin
EXTTRG input pin
PCR85 Pin Function
0 P85 input pin
1 P85 output pin
* COMP input pin
B output pin
*
PCR84 Pin Function
0 P84 input pin
1 P84 output pin
H.Amp SW output pin
*
G output pin
*