Marantz SR-12S1 Service Manual page 44

QU01 : H8S2633
Pin Description
pin port I/O
mode = 7
1 MD1
2 MD2
3 NC
4 NC
5 PC0 I/O
6 PC1 I/O
I/O
7 PC2
I/O
8 PC3
9 VSS
10 PC4 I/O
11 VCC
I/O
12 PC5
I/O
13 PC6/PWM0
I/O
14 PC7/PWM1
15 VSS
I/O
16 PB0/TIOCA3
17 PVCC1
I/O
18 PB1/TIOCB3
I/O
19 PB2/TIOCC3
20 PB3/TIOCD3 I/O
I/O T_OUT RC_BUS_OUT
21 PB4/TIOCA4
I/O
22 PB5/TIOCB4
23 PB6/TIOCA5 I/O T_OUT MRC5O
24 PB7/TIOCB5 I/O
I/O
25 PA0
I/O
26 PA1/TxD2
I/O
27 PA2/RxD2
I/O
28 PA3/SCK2
29 Vss
30 P10/TIOCA0/ I/O T_OUT RC6STAT
I/O
31 P11/TIOCB0/
I/O
32 P12/
33 P13/ I/O
34 P14/_IRQ0 I/O
35 NC
36 NC
I/O
37 P15/
38 P16/_IRQ1 I/O
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use Name
I YES MD1
I YES
MD2
- -
- -
O DATAOTU
O CLKTU
O
_CETU
I
DATAITU
I YES GND
I SD
I YES VCC
I
TUST
O
_CERDS
I
RDSDATA
I YES GND
T_IN VSYNC
I YES PVCC1
O
_Data(Inverted)
O
_CLK(Inverted)
O _CEEXP
O
KILLIR
O _UMUTE
O
RTS
SO
TXD
SI
RXD
I
CTS
I - GND
T_IN RCIN
O
_SMUTE
O DFS
INT _PDOWN
- - N.C.
- -
N.C.
O
_RSTDAC
INT ERF
Port Setting
Act. init
- - Fix H
- - Normal :H, Boot :L
- - N.C.
- - N.C.
- L Tuner Pack
- L Tuner Pack
L L Tuner Pack
- Tuner Pack
- - GND
L Tuned
- - 3.3V
H Stereo Tune/_MONO
L L Tuner Pack(RDS)
- Tuner Pack(RDS)
- - GND
H V-sync Det. & Change
OSD
- - +5V
P-Exp. (mute, Video),
H
Analog SW, Volume
P-Exp.(mute, Video),
H
Analog SW, Volume
L H P-Exp. (mute, Video),
L RC BUS Output
H L Kill to IR input signal.
L RC BUS MULTI Output
L L logic for Tr mute
L UART
L UART for Panja, Flash WR
Necessary to Pull Up
- UART for Panja, Flash WR
Necessary to Pull Up
- - UART
- - Ground
H L IR carry out
IR In for RC-5 $ RC-6
L L DAC
H L DAC&ADC
L - Power Down Detect
- -
- -
L L DAC
H - error from DIR
60
Note