Technical data

Schematics
D–18
Digital HiNote VP 500 Service Guide
AUX_CLK AUX_DATA KB/PS2_C KB/PS2_D TP_CLK TP_DATA
18,19
22 19 19
18,19
S
1
1A0
2
1A1
3
YA
4
1B0
5
1B1
6
YB
7
GND
8
YC
9
1C1
10
1C0
11
YD
12
1D1
13
1D0
14
E#
15
VCC
16
U18 PI5C3257
+5VS
AUX_CLK AUX_DATA
KBD_DATA
EN_MOUSE
KB/PS2_C KB/PS2_D
KBD_CLK KBD_DATA
1B1 1A1
19 22 22
KBD_CLK
+5V51
L12
BLM21A10
+5V51A
18,19 18,19
L22
BLM32A06
+3VS
R99 1K
+5V51
+5V51
C397 .1UF
11 10
1 4
U12E 74HCT04
PIIXINIT
RC#
+5V51
14
9 10
8
1 4
U14C 74ACT32
2 3
D9
RB420D
CPUINIT
C398
1UF
0805
C396
.1UF
3
KSI0 KSI1
KSI0
19
KSI1
20
KSI2
21
KSI3
22
KSI4
23
KSI5
24
KSI6
25
KSI7
26
PCDB0
67
PCDB1
66
PCDB2
63
PCDB3
62
PCDB4
61
PCDB5
60
PCDB6
59
PCDB7
58
P10/A0
30
P11/A1
31
P12/A2
32
P13/A3
33
P14/A4
34
P15/A5
35
P16/A6
36
P17/A7
37
P20/A8
48
P21/A9
49
P22/A10
50
P23/A11
51
P24/A12
52
P25/A13
53
P26/A14
54
P27/LED4
55
WR
74
RD
73
XTAL1
70
KSO0
1
KSO1
2
KS02
3
KSO3
4
KSO4
5
KSO5
6
KSO6
7
KSO7
8
KSO8
9
KSO9
10
KSO10
11
KSO11
12
KSO12
15
KSO13
16
KSO14
17
KSO15
18
P30
91
P31
90
P32
89
P33
88
P34
87
P35
86
P36
85
P37
84
ADB0
40
ADB1
41
ADB2
42
ADB3
43
ADB4
44
ADB5
45
ADB6
46
ADB7
47
LED0
100
LED1
99
LED2
98
LED3
97
MEMCS
28
ALE
27
PSEN
29
PCOBF
71
LOADREN
95
V C C
1 4
V C C
6 5
V C C
9 2
G N D
1 3
G N D
3 8
G N D
3 9
G N D
5 6
G N D
9 6
GATEA20
57
XTAL2
69
EA
94
CS
72
A0
75
RST
68
V C C
8 2
A V C C
8 0
AIN0
79
AIN1
78
AIN2
77
AIN3
76
RC
64
G N D
8 3
G N D
9 3
A G N D
8 1
U50
80C51SL
PQFP
C187
.01UF
C188
1000P
KSI[0..7]
KS O0 KS O1
KSI0 KSI1 KSI2 KSI3 KSI4 KSI5 KSI6 KSI7
17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
J3
KB_CN24
+5VS
C185
.1UF
R116 1K
1A1
R115
10K
22
1B1
R117
10K
+5VS
R105 4.7K
+5VS
+5V51
R103 100K
KS O2 KS O3 KS O4 KS O5 KS O6 KS O7 KS O8 KS O9 KS O10 KS O11 KS O12 KS O13 KS O14 KS O15
1 8
2 7
3 6
4 5
RP22
8P4R-4.7K
KSI2 KSI3 KSI4 KSI5 KSI6 KSI7 SD0 SD1 SD2 SD3 SD4 SD5 SD6 SD7
SD[0..7]
+5V51
R121 10K
R123
10K
1 8
2 7
3 6
4 5
RP25
8P4R-10K
SD[0..7]
14,15,16,20,21
SYSON#
FAST#
23
14,22,23
23
22,23
23 21
S_UNDOCK
NIC_PR#
KBA[8..14]
51ON
KBA[8..14]
SMCA SMDA SMDB
19
R268
0
R269
0
*
KBA8 KBA9 KBA10 KBA11
ACOFF#
23
SYSON# SMDA SMDB SMCA
SRAM_WR# SRAM_RD#
AD B0 AD B1 AD B2 AD B3 KB D_CLK KB D_DATA AU X_CLK AU X_DATA
19 19
ADB[0..7]
ADB[0..7]
+5V51
PID0
11
2 3
D11
RB420D
IRQ12
19
13,14,22
+5VS
R98 4.7K
*
PSEN# MEMCS#
AD B4 AD B5 AD B6 AD B7
1 8
2 7
3 6
4 5
RP23 8P4R-10K
19
1 2
J4
JOPEN
IOW# IOR#
KBA12 KBA13 KBA14
P/F#
14,15,16,20,21
17
14,15,16,20,21
C174
.01UF
C173 .01UF
C172 .01UF
51GN DA
BATTI VBATT
BATT_TEMP METER/ATF
C176
.01UF
19 23
23 23
2 1
D8 1N4148
+5V51
R88 47K
14,15,16,20,21,22 SA[0..17]
SA[0..17]
+5V51
5 6
1 4
U13C
74HC14
C169
10PF
SA2
C183 10PF
R97
1M
X5
16MHZ
R104 10K
RC#
R243 10K
R106
10K
ALTA20M
+5V51
14
19
+5V51
4 5
6
1 4
U14B 74ACT32
2 3
D10 RB420D
2 3
D14
RB420D
A20M#
PIRQ1 10,14,22
2,3
+5V51A
(SEPARATE ANALOG POWER)
L13
BLM21A10
C175
.1UF
51GNDA
EXT. ROM
+5 V51
R244
10K
ISO51
+5V51
9 8
1 4
U12D 74HCT04
2 3
11
4
U17A 74HCT125
KBCS#
SUSPWROFF#
RST_BTN#
14
18,22,23
C155 1UF 0805
1 2
SW1 RESET_BTN R87 0
4-A7
4,14 21
8 7 6 5 4 3 2 1
A B C D
12345678
D C B A
Date: July 19, 1996 Sheet 18 of 23 Size Document Number REV
B Schematics, TS31G1 1.0
Title
Intel 80C51SL-AH
Compal Electronics, Inc.