Renesas Hitachi H8S/2191, Hardware Manual

Page: 263 / 1065

Rev. 2.0, 11/00, page 236 of 1037
Table 11.1 Port Functions
Port Description Pins Alternative Functions
Function
Switching
Register
Port 0 P07 to P00 input-only
ports P70/AN7 to
P00/AN0 Analog data input channels 7 to 0 PMR0
P17/TMOW Prescalar unit frequency division clock
output
P16/
,&
Prescalar unit input capture input
Port 1 P17 to P10 I/O ports
(Built-in MOS pull-up
transistors)
P15/
,54
to
P10/
,54
External interrupt request input
PMR1
P27/SCK2 SCI2 clock I/O
P26/SO2 SCI2 transmit data output
P25/SI2 SCI2 receive data input
PMR2
P24/SCL I
2
C bus interface clock I/O
P23/SDA I
2
C bus interface data I/O
ICCR
P22/SCK1 SCI1 clock I/O
P21/SO1 SCI1 transmit data output
Port 2 P27 to P20 I/O ports
(Built-in MOS pull-up
transistors)
P20/SI1 SCI1 receive data input
SMR
SCR
P37/TMO Timer J timer output
P36/BUZZ Timer J buzzer output
P35/PWM3 to
P32/PWM0 8-bit PWM output
P31/STRB SCI2 strobe output
Port 3 P37 to P30 I/O ports
(Built-in MOS pull-up
transistors)
P30/
&6
SCI2 chip select input
PMR3
P47 None

P46/FTOB Timer X output compare B output
P45/FTOA Timer X output compare A output
TOCR
P44/FTID Timer X input capture D input
P43/FTIC Timer X input capture C input
P42/FTIB Timer X input capture B input
P41/FTIA Timer X input capture A input

Port 4 P47 to P40 I/O ports
P40/PWM14 14-bit PWM output PMR4
P53/TRIG Realtime output port trigger input
P52/TMBI Timer B event input
PMR5
P51 None

Port 5 P53 to P50 I/O ports
P50/
$'75*
A/D conversion start external trigger
input ADTSR
Port 6 P67 to P60 I/O ports P67/RP7 to
P60/RP0 Realtime output port PMR6
Port 7 P77 to P70 I/O ports P77/PPG7 to
P70/PPG0 PPG output PMR7
P87 to P84 None

P83/SV2
P82/SV1 Servo monitor output
P81/EXCAP Capstan external synchronous signal
input
Port 8 P87 to P80 I/O ports
(High-current ports)
P80/EXTTRG External trigger signal input
PMR8