Pin Functions - Hitachi H8S/2199 Hardware Manual

10.3.3

Pin Functions

This section describes the port 1 pin functions and their selection methods.
P17/TMOW: P17/TMOW is switched as shown below according to the PMR17 bit in PMR1 and
the PCR17 bit in PCR1.
PMR17 PCR17
0 0
1
1
*
Note: * Don't care
P16/,& ,& ,& ,&: P16/,& is switched as shown below according to the PMR16 bit in PMR1, the NC on/off
bit in prescalar unit control/status register (PCSR), and the PCR16 bit in PCR1.
PMR16 PCR16
0 0
1
1
*
Note: * Don't care
,548 to P10/,543 ,543: P15/,5448 to P10/,543 are switched as shown below according to the
,548 ,548 ,543 ,543
P15/,548
PMR1n bit in PMR1 and the PCR1n bit in PCR1.
PMR1n PCR1n
0 0
1
1
*
Notes: 1. * Don't care.
2. The ,548 to ,543 input pins can select the leading or falling edge as an edge sense
(the ,543 pin can select both edges). See section 6.2.4, IRQ Edge Select Register
(IEGR).
3. ,544 or ,545 can be used as a timer J event input and ,546 can be used as a timer R
input capture input. For details, see section 13, Timer J or section 15, Timer R.
Rev. 1.0, 02/00, page 196 of 1141
Pin Function
P17 input pin
P17 output pin
TMOW output pin
NC on/off Pin Function

P16 input pin
P16 output pin
,& input pin
0
1
Pin Function
P1n input pin
P1n output pin
,54Q input pin
Noise cancel invalid
Noise cancel valid
(n = 5 to 0)