Stern Pinball AC/DC Service And Operation Manual page 86

SCHEMATICS, WIRING & PCBS
CPU/SOUND PCB S.A.M. SYSTEM SCHEMATIC (SHEET 3 OF 5)
3
[2,3 ] D[ 15: 0]
+3.3V
R91
10K
+3.3V
USB_DM
USB_DP
RPD_EN
TP12
1
6.000MHz
C30
22PF
3
86
2
U49
1
A7
2
A6
3
A5
4
A4
5
A3
6
A2
7
A1
8
A0
9
CS_N
10
OE_N
11
WE_N
12
INTR_OUT
13
VSS
14
VEXT1
15
VDD
16
SYS_CLK
17
WAIT_N
18
DREQ_N
19
DACK_N
20
CPCLK
21
DISCHARGE
22
EN
23
LOW_CUR
24
PUMP_EN
25
SESS_LOW
AT43USB380
R27
0
R92
R62
100K
0
Y3
R93
2
330
C66 C97
22PF .033UF
2
AC/DC LUCI MANUAL 500-55C8-01
AT43USB380
PQFP100
C98 C99 C100
.033 UF 470PF 2. 2UF
1
+3.3V
+3.3V
75
VDD
74
D20
73
D21
72
D22
71
D23
70
D24
69
D25
68
D26
67
D27
66
VDD
65
VEXT3
64
C101
VSS
63
D28
470PF
62
D29
61
D30
60
D31
59
P23 [2]
WAKEUP_EN
58
BWIDTH[0]
57
TP4
56
RCV_DATA
55
DCLK DCLK
54
TP5
53 R218 1K
SO
52
SCK
51
VSS
+3.3V
STERN PINBALL, INC.
CPU / Sound PCB (S.A.M. System)
1
D
C107
2.2UF
C
+3.3V
B
A