SA-XH10EE, SC-XH10EE - Panasonic Audio Service Manual (repair manual). Page 117

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117
19 Terminal Function of ICs
19.1. IC200 (RFKWMXH50PH): IC
MICROPROCESSOR
Pin No.
Terminal Name I/O
Function
1
CLOSE_SW
I Close Switch for BRS1D
2
ECO_CONTRO
L
O Control Voltage Supply of D-AMP for
Eco Mode
3
RMT
I Remote Control Signal
4
NC
- No Connection
5
NC
- No Connection
6
BYTE
- External data bus width select input
7
CNVSS
- Micon Programming-Processor / Sin-
gle Chip Mode
8
NC
- No Connection
9
NC
- No Connection
10
RESET
I Microp Reset Signal
11
XOUT
- Clock In
12
VSS
- GND
13
XIN
- Clock Out
14
VCC
- VCC +3.3V
15
CEC_IN/OUT
I/O Use this port as CEC in/out 
16
TUN_INT
O Tuner Interrupt
17
SYNC
I AC Sync Signal
18
NC
- No Connection
19
NC
- No Connection
20
TUN_SDIO
O Tuner I2C (Software) Data
21
TUN_RST
I Tuner Reset Signal
22
TUN_SCLK
O Tuner Serial Clock
23
LED_CTRL
O Power On LED control
24
FLD_OUT
O FL Display Data Out Signal
25
FLD_CLK
O FL Display Clock Signal
26
FLD_STB
O FL Display Strobe Signal
27
DVD_RX
I DVD UART Receive
28
DVD_TX
O DVD UART Transmit
29
DBG_TX
I UART TX for Debug
30
DBG_RX
O UART RX for Debug
31
SCLK
O Clock Signal for Flash Writing
32
DAP_MUTE
O Master mute for DAP
33
EDA
O I2C EEPROM data
34
ECK
O I2C EEPROM clock
35
NC
- No Connection
36
FWD
O Forward control for mecha
37
REV
O Reverse control for mecha
38
AMUTE
O Audio Muting
39
EPM
- For Downloading Purpose
40
NC
- No Connection
41
NC
- No Connection
42
NC
- No Connection
43
NC
- No Connection
44
CE
I For Downloading Purpose (with pull
up)
45
NC
- No Connection
46
NC
- No Connection
47
NC
- No Connection
48
PCONT
O System Power Control
49
RGB_H
- Not in use 
50
VMUTE
- Not in use
51
VBUS_EN
O USB Vbus Supply
52
USB_OC
O USB Over-Current Protection
53
NC
- No Connection
54
NC
- No Connection
55
DCDET1
I Power Supply Failure Detection (F76)
56
DCDET2
I D-Amp and Fan Failure Detection
(F61)
57
NC
- No Connection
58
NC
- No Connection
59
NC
- No Connection
60
VCC
- +3.3V System  Supply 
61
NC
- No Connection
62
VSS
- System Ground 
63
NC
- No Connection
64
NRST
O ADC Reset
65
NC
- No Connection
66
WIDE1
- No Connection
67
NC
- No Connection
68
NC
- No Connection
69
NC
- No Connection
70
NC
- No Connection 
71
NC
- No Connection 
72
NC
- No Connection
73
VOL 0
O For Energy Star
74
NC
- No Connection
75
DAP_DAT
O DAP/DSP data
76
DAP_CLK
O DAP/DSP clock
77
NC
- No Connection
78
NC
- No Connection
79
DAP_RST
O DAP Reset
80
DAP_PDN
- No Connection
81
VALID
O DAP valid
82
SD
- No Connection
83
OTW
- No Connection
84
NC
- No Connection
85
MD3
- DVD Panel Code Digit 3
86
MD2
- DVD Panel Code Digit 2
87
NC
- No connection
88
AUX_DET
I Fan analog to digital control
89
KEY 2
I Keyline 2:
90
KEY1
I Keyline 1: 1st key is POWER During
STOP mode; act as KI0 After wake
up; act as AN4
91
SEL_A
I Analog Input Selector Control A
92
SEL_B
I Analog Input Selector Control B
93
DES2
- Model Selector
94
AVSS
- Analog GND 
95
DES1
- Series Selector
96
VREF
- Voltage Reference +3.3V
97
AVCC
- Analog +3.3V Supply
98
NC
- No Connection 
99
SPDIF_SW
O Selector control for D-IN/ARC
100
OPEN_SW
I Open Switch for BRS1D
Pin No.
Terminal Name I/O
Function
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