h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 75

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Type
Keyboard
buffer
controller
Host
interface
(XBS)
Host
interface
(LPC)
Symbol
PS2AC
PS2BC
PS2CC
PS2AD
PS2BD
PS2CD
HDB7 to
HDB0
CS1,
CS2/
ECS2,
CS3, CS4
IOR
IOW
HA0
GA20
HIRQ11
HIRQ1
HIRQ12
HIRQ3
HIRQ4
HIFSD
LAD3 to
LAD0
LFRAME
LRESET
LCLK
FP-100B,
TFP-100B TFP-144 I/O
31
21
11
30
20
10
89 to 82
18, 94,
25, 81, 80
22
19
93
94
52
53
54
91
90
95
85 to 82
86
87
88
Pin No.
39
37
34
38
35
33
128 to
121
19, 130,
24, 118,
117
21
20
129
130
2
3
4
120
119
131
124 to
121
125
126
127
Input/
Output
Input/
Output
Input/
Output
Input
Input
Input
Input
Output A20 gate control signal output pin.
Output Output pins for interrupt requests to the
Input
Input/
Output
Input
Input
Input
Keyboard buffer controller
synchronization clock input/output pins.
Keyboard buffer controller data
input/output pins.
Bidirectional 8-bit bus for accessing
XBS.
Input pins for selecting XBS channels 1
to 4. The CS2 or ECS2 input pin is
selected with the system control
register.
Input pin that enables reading from
XBS.
Input pin that enables writing to XBS.
Input pin that indicates whether an
access is a data access or command
access.
host.
Control input pin used to place XBS
input/output pins in the high-impedance/
cutoff state.
LPC command, address, and data
input/output pins.
Input pin that indicates the start of an
LPC cycle or forced termination of an
abnormal LPC cycle.
Input pin that indicates an LPC reset.
The LPC clock input pin.
Rev. 3.00 Mar 21, 2006 page 21 of 788
Name and Function
Section 1 Overview
REJ09B0300-0300