Pin Functions - Renesas Hitachi H8S/2194 Series Hardware Manual

11.3.3

Pin Functions

This section describes the port 1 pin functions and their selection methods.
(1) 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
*
(2) 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
*
(3) P15/ ,54 to P10/ ,54
P15/ ,54 to P10/ ,54 are switched as shown below according to the PMR1n bit in PMR1
and the PCR1n bit in PCR1.
PMR1n PCR1n
0 0
1
1
*
Notes: 1. * Don't care.
,54
2. The
,54
(the
(IEGR).
,54 ,54
3. or
R input capture input. For details, see section 14, "Timer J" or section 16, "Timer R".
Pin Function
P17 input pin
P17 output pin
TMOW output pin
NC on/off
*
0
1
Pin Function
P1n input pin
P1n output pin
,54Q
input pin
,54
to input pins can select the leading or falling edge as an edge sense
pin can select both edges). See section 6.2.4, Edge Select Register
can be used as a timer J event input and
Pin Function
P16 input pin
P16 output pin
,&
input pin
,54
Rev. 2.0, 11/00, page 245 of 1037
Noise cancel invalid
Noise cancel valid
(n = 5 to 0)
can be used as a timer