H8S2110B RENESAS [Renesas Technology Corp], H8S2110B Datasheet - Page 378

• Manufacturer Part Number: H8S2110B
• Description: Renesas 16-Bit Single-Chip Microcomputer Renesas H8S Family/H8S/2100 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 14 Keyboard Buffer Controller
Figure 14.2 shows how the keyboard buffer controller is connected.
14.2
Table 14.1 lists the input/output pins used by the keyboard buffer controller.
Table 14.1 Pin Configuration
Channel
0
1
2
Note:* These are the external I/O pin names. In the text, clock I/O pins are referred to as KCLK
Rev. 2.00 Mar 21, 2006 page 340 of 518
REJ09B0299-0200
and data I/O pins as KD, omitting the channel designations.
KCLK out
Keyboard buffer controller
Input/Output Pins
KCLK in
KD out
KD in
System side
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)
(This LSI)
Figure 14.2 Keyboard Buffer Controller Connection
Vcc
Abbreviation *
PS2AC
PS2AD
PS2BC
PS2BD
PS2CC
PS2CD
Vcc
Clock
Data
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Keyboard side
Function
KBC data input/output
KBC data input/output
KBC data input/output
KBC clock input/output
KBC clock input/output
KBC clock input/output
I/F
KCLK in
KCLK out
KD in
KD out