h8s-2169 Renesas Electronics Corporation., h8s-2169 Datasheet - Page 589

• Manufacturer Part Number: h8s-2169
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

17.1.3
Table 17.1 lists the input/output pins used by the keyboard buffer controller.
Table 17.1 Keyboard Buffer Controller Input/Output Pins
Note:
17.1.4
Table 17.2 lists the registers of the keyboard buffer controller.
Table 17.2 Keyboard Buffer Controller Registers
Notes: 1. Lower 16 bits of the address.
Channel
0
1
2
Channel
0
1
2
Common
* These are the external I/O pin names. In the text, clock I/O pins are referred to as KCLK
2. Only 0 can be written in bits 2 and 1, to clear the flags.
Input/Output Pins
Register Configuration
and data I/O pins as KD, omitting the channel designations.
Name
Keyboard control register H
Keyboard control register L
Keyboard data buffer register
Keyboard control register H
Keyboard control register L
Keyboard data buffer register
Keyboard control register H
Keyboard control register L
Keyboard data buffer register
Module stop control register
Name
KBC clock I/O pin (KCLK0)
KBC data I/O pin (KD0)
KBC clock I/O pin (KCLK1)
KBC data I/O pin (KD1)
KBC clock I/O pin (KCLK2)
KBC data I/O pin (KD2)
KBCRL0
KBBR0
KBCRL1
KBBR1
KBCRL2
KBBR2
MSTPCRH
Abbreviation *
PS2AC
PS2AD
PS2BC
PS2BD
PS2CC
PS2CD
Abbreviation
KBCRH0
KBCRH1
KBCRH2
MSTPCRL
Rev. 3.00 Jan 18, 2006 page 561 of 1044
Section 17 Keyboard Buffer Controller
R/W
R/(W) *
R/W
R
R/(W) *
R/W
R
R/(W) *
R/W
R
R/W
R/W
I/O
I/O
I/O
I/O
I/O
I/O
I/O
2
2
2
Initial Value
H'70
H'70
H'00
H'70
H'70
H'00
H'70
H'70
H'00
H'3F
H'FF
Function
KBC clock input/output
KBC data input/output
KBC clock input/output
KBC data input/output
KBC clock input/output
KBC data input/output
REJ09B0280-0300
Address *
H'FED9
H'FEDA
H'FEDD
H'FEDE
H'FEE1
H'FEE2
H'FF86
H'FED8
H'FEDC
H'FEE0
H'FF87
1