Mallinckrodt NELLCOR NPB-195 Service Manual page 86

VDD
1 1
L6
L7
LEDDIS
L8
IR/RED
L9
RWD_RST
L10
PWM1
L11
PWM2
RWD_RST WD_RST
VDD
R89
VDD
I110
221
U30 TP32
1 1 VCC 8 8
PBRST
2 2 7 7
TD ST
3 3 ~RST 6 6
TOL
4 4 5 5
GND RST I92
LTC1232
VDD
C91
0.1U
I206
VDD
R82
100K
R91
10.0K
3 3
FERESET 1 1 Q11
2N3904S
2 2
I301 I283
ADDR[15:0]
ADDR13
ADDR15
ADDR14
035262
4700P
2 2 196PWR
I100
C79
+
3 3 4 4
470P C102
50V 47U
10V
7343
I105 I107 U27
VREF 1 1
PWR
I104 I106 I101
37 37
VPP
13 13
VREF
12 12
ANGND
REDDC 6 6
ACH0/P0.0
5
REDAC 5
ACH1/P0.1
IRDC 7 7
ACH2/P0.2
IRAC 4 4
ACH3/P0.3
RSENS 11 11
ACH4/P0.4
10 10
ACH5/P0.5
8 8
ACH6/P0.6
9 9
ACH7/P0.7
19 19
P1.0
20 20
P1.1
21 21
P1.2
22 22
P1.3/PWM1
23 23
P1.4/PWM2
30 30
I225 P1.5/ BREQ
IRLED/AV 31 31
P1.6/ HLDA
32 32
I103 P1.7/ HOLD
43 43
READY
R110 RST-L 16 16
RESET
TP34
10.0K 3 3
NMI
2 2
EA
RAMEN-L 64 64
BUSWIDTH
PHOTOI 24 24
HSI0
25 25
HSI1
L15
CDTXD 18 18
P2.0/TXD
CDRXD 17 17
P2.1/RXD
15 15
I108 I176 P2.2/EXTINT
44 44
I177 P2.3/T2CLK
L14 42 42
I178 P2.4/T2RST
PWM0 39 39
P2.5/PWM0
REDLED/AV 33 33
P2.6/TWUP-DN
ZERO-L 38 38
I109 P2.7/T2CAPT
80C196KC
C82
0.1U
VDD
ADDRESS DECODING - MEMORY MAPPING
R80
10.0K
I91
ROM --- 0000 - DFFF
ROM_DIS-L
U22
1
2 12
13
74HC10S
VDD
RAM --- E000 - FFFF
R163
221
U22
3 C81
4 6 0.1U
I302
5 Z5U
74HC10S
AD[15:0]
RP2
120
60 60 RAD0 AD0
AD0
9 9 8 8
59 59 RAD1 AD1
AD1
10 10 7 7
58 58 RAD2 AD2
AD2
11 11 6 6
57 57 RAD3 AD3
AD3
12 12 5 5
56 56 RAD4 AD4
AD4
13 13 4 4
55 55 RAD5 AD5
AD5
14 14 3 3
54 54 RAD6 AD6
AD6
53 15 15 2 2 AD7
53 RAD7
AD7
16 16 1 1
52 52 RAD8 AD8
AD8
9 9 8 8
51 51 RAD9 AD9
AD9
10 10 7 7
50 50 RAD10 AD10
AD10
11 11 6 6
49 49 RAD11 AD11
AD11
12 12 5 5
48 48 RAD12 AD12
AD12
13 13 4 4
47 47 RAD13 AD13
AD13
14 14 3 3
AD14 46 46 RAD14 AD14
15 15 2 2
45 45 RAD15 AD15
AD15
16 16 1 1 R75
62 62 RALE-L
ALE/ ADV
RP1 120
I163
61 61 RRD-L R86
RD
40 40 RWR-L
WRL/WR
R87
41 41
WRH/BHE I74 I161
63 63
INST I89 I316 I162 I166
L16
I315
I165 I164
28 28
HSO0
29 29 L17
HSO1
34 34
HSO2
35 35 RSCI_CLK R166 221
HSO3
R167 121
26 26 RMOSI L18
HSI2/HSO4
27 27 SLAVESEL
HSI3/HSO5
TP33
65 65 CLK_OUT
CLKOUT
67 67
XTAL1
66 66
XTAL2
R88
I303 I304
121
I167
14 14 Y5
GND1
36 36 10MHZ
GND2
68 68 1 1 2 2
GND3
HC49S
Y2
10MHZ HC49S IS USED
4 4 1 1 ONLY IF ATP-SM
IS NOT AVAILABLE
ATP-SM
C90
C95
22P 22P
TP27
ROMEN-L
TP28
RAMEN-L
I119
I126
ADDRESS LATCHING
U21
AD0 2 2 19 19 ADDR0
1D 1Q
AD1 3 3 18 18 ADDR1
2D 2Q
AD2 4 4 17 17 ADDR2
3D 3Q
AD3 5 5 16 16 ADDR3
4D 4Q
AD4 6 6 15 15 ADDR4
5D 5Q
AD5 7 7 14 14 ADDR5
6D 6Q
AD6 8 8 13 13 ADDR6
7D 7Q
ADDR7
AD7 9 9 12 12
8D 8Q
ALE 11 11
C
1 1
TP36 OC
74HC573S
R92
10.0K
121
ALE
121 RD-L
121
WR-L
U20
AD8 2 2 1Q 19 ADDR8
1D
SAMPRED AD9 3 3 2Q 18 ADDR9
2D
AD10 4 4 3Q 17 ADDR10
3D
OFF/ON AD11 5 5 16 ADDR11
4D 4Q
AD12 6 6 15 ADDR12
5D 5Q
AD13 7 7 6Q 14 ADDR13
6D
SAMPIR AD14 8 8 7Q 13 ADDR14
7D
AD15 9 9 8Q 12 ADDR15
8D
SCI_CLK
MOSI ALE 11 11
C
SLAVESEL 1 1
OC
74HC573S
I305
SERIAL INTERFACE
VDD
R81
J4
10.0K
1 1
CDTXD 2 2 CLINICAL SERIAL
CDRXD 3 3 DATA CONNECTOR
4 4
5 5
CON_5
AD0 ADDR0
I130 I159 I168
AD1 ADDR1
I131 I158 I169
AD2 ADDR2
I133 I156 I170
AD3 ADDR3
I132 I157
AD4 ADDR4
I137 I152
AD5 ADDR5
I136 I153
AD6 ADDR6
I134 I155
AD7 ADDR7
I135 I154
AD8 ADDR8
I144 I145
AD9 ADDR9
I143 I146
AD10 ADDR10
I141 I148
AD11 ADDR11
I142 I147
AD12 ADDR12
I138 I151
AD13 ADDR13
I139 I150
RAD7 AD14 ADDR14
I140 I149
RAD15 AD15 ADDR15
I129 I160
VDD
C77
0.1U
Z5U
VDD
C80
0.1U
Z5U
VDD
C116
+
47U
10V
7343
ADDR[15:0]
ALE
RD-L
WR-L
CPU CORE
Figure 11-8
CPU Core Schematic Diagram A
11-21