HD64F2145 Datasheet, PDF (61/829 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Pin No.
Type
FP-100B,
Symbol TFP-100B TFP-144 I/O
Name and Function
Keyboard PS2AC 31
buffer PS2BC 21
controller PS2CC 11
39
Input/ Keyboard buffer controller synchronization
37
Output clock input/output pins.
34
PS2AD 30
PS2BD 20
PS2CD 10
38
Input/ Keyboard buffer controller data input/output
35
Output pins.
33
Host
interface
(XBS)
HDB7 to
HDB0
&64,
&65/
(&65,
&66, &67
89 to 82
18, 94,
25, 81, 80
128 to
121
19, 130,
24, 118,
117
Input/
Output
Input
Bidirectional 8-bit bus for accessing XBS.
Input pins for selecting XBS channels 1 to
4. The &65 or (&65 input pin is selected
with the system control register.
,25
22
21
Input Input pin that enables reading from XBS.
,2:
19
20
Input Input pin that enables writing to XBS.
HA0
93
129
Input Input pin that indicates whether an access
is a data access or command access.
GA20
94
130
Output A20 gate control signal output pin.
HIRQ11 52
HIRQ1 53
HIRQ12 54
HIRQ3 91
HIRQ4 90
2
Output Output pins for interrupt requests to the
3
host.
4
120
119
HIFSD 95
131
Input Control input pin used to place XBS
input/output pins in the high-impedance/
cutoff state.
Host
interface
(LPC)
LAD3 to
LAD0
/)5$0(
85 to 82
86
124 to
121
125
Input/ LPC command, address, and data
Output input/output pins.
Input
Input pin that indicates the start of an LPC
cycle or forced termination of an abnormal
LPC cycle.
/5(6(7 87
126
Input Input pin that indicates an LPC reset.
LCLK
88
127
Input The LPC clock input pin.
Rev. 2.0, 08/02, page 21 of 788