H8S2116 Datasheet, PDF (522/842 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2100 Series

Section 15 Keyboard Buffer Control Unit (PS2)
15.2 Input/Output Pins
Table 15.1 lists the input/output pins used by the keyboard buffer control unit.
Table 15.1 Pin Configuration
Channel Name
Abbreviation* I/O
Function
0
PS2 clock I/O pin (KCLK0) PS2AC
I/O
PS2 clock input/output
PS2 data I/O pin (KD0)
PS2AD
I/O
PS2 data input/output
1
PS2 clock I/O pin (KCLK1) PS2BC
I/O
PS2 clock input/output
PS2 data I/O pin (KD1)
PS2BD
I/O
PS2 data input/output
2
PS2 clock I/O pin (KCLK2) PS2CC
I/O
PS2 clock input/output
PS2 data I/O pin (KD2)
PS2CD
I/O
PS2 data input/output
3
PS2 clock I/O pin (KCLK3) PS2DC
I/O
PS2 clock input/output
PS2 data I/O pin (KD3)
PS2DD
I/O
PS2 data input/output
Note: * These are the external I/O pin names. In the text, clock I/O pins are referred to as KCLK
and data I/O pins as KD, omitting the channel designations.
Rev. 1.00 Mar. 02, 2006 Page 482 of 798
REJ09B0255-0100