Renesas H8S Series Hardware Manual page 61

Type Symbol
8-bit timer TMRI0
(TMR_0, TMRI1
TMR_1,
TMIX
TMR_X,
TMIY
TMR_Y)
ExTMIX
ExTMIY
Serial TxD1
communi- TxD2
cation
RxD1
interface
RxD2
(SCI_1,
SCK1
SCI_2)
SCK2
SCI with IrTxD
IrDA (SCI)
IrRxD
2
I C bus SCL0
interface SCL1
(IIC) ExSCLA
ExSCLB
SDA0
SDA1
ExSDAA
ExSDAB
Keyboard PS2AC
buffer PS2BC
control unit PS2CC
(KBU)
PS2AD
PS2BD
PS2CD
Pin No. I/O
138 Input
4
78 Input
80
56
55
133 Output
136
134 Input
137
135 Input/
138 Output
133 Output
134 Input
14 Input/
135 Output
53
51
17 Input/
138 Output
54
52
39 Input/
37 Output
34
38 Input/
35 Output
33
Name and Function
External event input pin and counter reset input
pin
External event input pins and counter reset input
pins. To which pin an external event or counter
reset is input can be selected from the TMIn and
ExTMIn pins.
(n = X or Y)
Transmit data output pins
Receive data input pins
Clock input/output pins. Output type is NMOS
push-pull output.
Encoded data output pin for IrDA
Encoded data input pin for IrDA
2
I C clock input/output pins. These pins can drive
a bus directly with the NMOS open drain output.
2
To which pin the I C clock is input or output can
be selected from the SCLn, ExSCLA, and
ExSCLB pins.
(n = 1 or 0)
2
I C data input/output pins. These pins can drive a
bus directly with the NMOS open drain output. To
2
which pin the I C data is input or output can be
selected from the SDAn, ExSDAA, and ExSDAB
pins.
(n = 1 or 0)
Synchronous clock input/output pins for the
keyboard buffer control unit
Data input/output pins for the keyboard buffer
control unit.
Rev. 3.00 Jul. 14, 2005 Page 13 of 986
Section 1 Overview
REJ09B0098-0300