Marantz SR-19EX Service Manual page 31

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QY01:TMP93PW40DF
no port name
I/O USE
Sig. Name
act. Description
1 VREFL
I
-
-
-
A/D VREFL.
2 AVSS
I
-
-
-
A/D VSS
3 AVCC
I
-
-
-
A/D VCC
4 NMI
I
NMI
-
-
Pull Up
5 P70/TI0
I/O
O
_POWER OFF
L
6 P71/TO1
I/O
O
KILL IR
H
7 P72/TO2
I/O
O
RC-5 OUT
H
8 P73/TO3
I/O
O
SPEAKER OFF
H SPK RELAY
9 P80/INT4/
I/O
I
RC-5 IN
H Both Edge
10 P81/INT5/
I/O
I
SYNC0
H Rising Edge
11 P82/TO4
I/O
I
_HEAD PHONE
L
12 P83/TO5
I/O
I
-
-
Pull Up
13 P84/INT6/
I/O
I
_SURR. ACK
L Both Edge
14 P85/INT7/
I/O
I
H Rising Edge
SYNC1
15 P86/TO6
I/O
I
MULTI RC-5 IN
L
16 P87/INT0
I/O
I
_POWER DOWN
L
I/F to SURR. µP
17 P90/TXD0
I/O TXD
DO0
-
I/F to SURR. µP
18 P91/RXD0
I/O RXD
DI0
-
I/F to SURR. µP
19 P92/SCLK0 I/O CLK
CLK0
-
20 P93/TXD1
I/O
O
DO1
-
I/F to ICs
21 P94/RXD1
I/O
-
22 P95/SCLK1 I/O
O
CLK1
-
I/F to ICs
23 AM8/_16
I
-
-
-
Pull Up
24 CLK
O
-
-
-
Pull Up
25 VCC
I
-
-
-
Pull Up
26 VSS
I
-
-
-
to VSS
27 X1
I
-
-
-
20MHz
28 X2
O
-
-
-
20MHz
29 EA
I
-
-
-
Pull Up
30 RESET
I
-
-
-
31 P96/XT1
I/O
I
-
-
to VSS
32 P97/XT2
I/O
I
-
-
to VSS
33 TEST1
I
-
-
-
to TEST2
34 TEST2
I
-
-
-
to TEST1
35 PA0
I/O
O
OSD ON0
H
36 PA1
I/O
O
OSD ON1
H
37 PA2
I/O
O
_CLR LED
L NJU3718 CLR
38 PA3
I/O
O
MULTI RC-5 OUT
H
39 PA4
I/O
O
_CE8 (Volume 8ch)
L
40 PA5
I/O
O
SMUTE
H
no port name
I/O USE
Sig. Name
act. Description
41 PA6
I/O
O
_RST SURR
L
L I/F to SURR. µP
42 PA7/SCOUT
I/O
O
_REQ SURR
43 ALE
O
-
-
-
44 VCC
I
-
-
-
45 P00
I/O
O
TU_CE(TUNER)
H
46 P01
I/O
O
CLK(TUNER)
-
47 P02
I/O
O
DO(TUNER)
-
48 P03
I/O
I
DI(TUNER)
-
49 P04
I/O
I
SD(TUNER)
L
50 P05
I/O
I
DI(RDS)
-
51 P06
I/O
O
_KILL CON
L
52 P07
I/O
O
-
-
53 P10
I/O
O
-CLKFL
-
54 P11
I/O
O
-DATAFL
-
55 P12
I/O
O
-
56 P13
I/O
O
-
-
57 P14
I/O
O
-
-
58 P15
I/O
O
-
-
59 P16
I/O
O
-
-
60 P17
I/O
O
-
-
61 WDTOUT
O
-
-
-
62 VSS
I
-
-
-
63 VCC
I
-
-
-
64 P20
I/O
I
FUNC. ENC. A
-
65 P21
I/O
I
FUNC. ENC. B
-
66 P22
I/O
I
VOL. ENC. A
-
67 P23
I/O
I
VOL. ENC. B
-
68 P24
I/O
I
GYRO A
-
69 P25
I/O
I
GYRO B
-
70 P26
I/O
I
-
-
71 P27
I/O
I
-
-
72 P30
I/O
O
CE0(AUDIO)
H
73 P31
I/O
O
_CE7(VIDEO)
L
74 P32
I/O
O
CE3(Multi Vol.)
H
75 P33
I/O
O
_CE6(MUTE)
L
76 P34
I/O
O
_CE5(LED)
L
77 P35
I/O
O
_CE4(FL)
L
78 P36
I/O
O
_CE1(OSD C)
L
79 P37
I/O
O
_CE2(OSD S)
L
80 P40
I/O
O
(RESERVED)
-
55
no port name I/O USE
Sig. Name
81 P41
I/O
O
(RESERVED)
82 P42
I/O
O
(RESERVED)
Pull Up
83 P60/
I/O
I
(RESERVED)
to VCC
84 P61/
I/O
I
(RESERVED)
85 P62/
I/O
I
(RESERVED)
86 P63/
I/O
I
SWITCH0
87 P64/
I/O
I
SWITCH1
88 P65/
I/O
I
SWITCH2
89 P66/
I/O
I
SWITCH3
90 P67/
I/O
I
SWITCH4
91 VSS
I
-
92 P50/AN0
I
AN
93 P51/AN1
I
AN
POWER DET.
94 P52/AN2
I
AN
ABNORMAL
95 P53/AN3
I
AN
96 P54/AN4
I
AN
97 P55/AN5
I
AN
98 P56/AN6
I
AN
99 P57/AN7
I
AN
VREFH
I
-
100
N.C
to VSS
to VCC
to VSS
to VSS
act. Description
-
-
-
to VSS
-
to VSS
-
to VSS
-
-
-
-
-
-
-
to VSS
-
-
pull down
-
see below
-
see below
KEY IN0
-
KEY IN1
-
KEY IN2
-
KEY IN3
-
KEY IN4
-
-
-
A/D VREFH
56

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