Read Panasonic SC-HTX500EB / SC-HTX500EEK / SU-HTX500EB / SU-HTX500EE Service Manual online
127
18 Terminal Function of IC’s
18.1. IC4301 (RFKWMHTX500B) IC MICROPROCESSOR
Pin No.
Terminal Name
I/O
Function
1
W_SBB
O
Internal control of flash or
baseband communication
baseband communication
2
W_DET
I
Wireless Detect
3
W_INT
I
Wireless initialization
4
N.C
-
No Connection
5
REMOTE
I
Remote control signal entry
6
N.C
-
No Connection
7
N.C
-
No Connection
8
BYTE
-
GND
9
CNVSS
-
CNVSS
10
N.C
-
No Connection
11
N.C
-
No Connection
12
RESET
I
Reset input pin for active "L"
13
XOUT
O
Clock output [10MHz]
14
VSS
-
GND Terminal
15
XIN
I
Clock input [10MHz]
16
VCC1
-
Voltage Supply (3.3V)
17
CEC
-
+3.3V Connection
18
N.C
-
No Connection
19
REMOTE
I
Remote control signal entry
20
AC_SYNC
I
Power Failure Detection
21
MUTE_ALL
O
MUTE all Channel Control
22
DAP_SCL
O
DAP serial clock
23
DAP_MUTE
O
DAP mute output
24
DAP_SDA
I/O DAP Data output
25
N.C
-
No Connection
26
DAP_RESET
O
DAP Reset
27
HDMI MUTE_DIS
I/O HDMI mute
28
AMP_POWER
O
Amplifier Power Shut Down
29
SCL
I/O EEPROM CLOCK
30
SDA
I/O EEPROM DATA
31
CE
I/O Chip Enable
32
RXD
-
For Software Update
33
SCLK
-
For Software Update
34
BUSY
-
For Software Update
35
M_SI
I
Communication with HDMI uP
36
H_SO
O
Communication with HDMI uP
37
M_CLK
O
Communication with HDMI uP
38
N.C
-
No Connection
39
N.C
-
No Connection
40
N.C
-
No Connection
41
PIN 41
-
For Software Update
42
N.C
-
No Connection
43
M_RESET
O
RESET signal for HDMI uP
44
M_CS
O
Chip Select with HDMI uP
45
N.C
-
No Connection
46
PIN 46
-
For Software Update
47
PWR_
CONTROL
CONTROL
I
CEC power supply control
48
HDMI_MUTE
I
HDMI mute detection
49
H_REQ
I
Interrupt Request HDMI uP
50
HDMI_CTRL
O
Power saving mode ON/OFF
output (ON : L)
output (ON : L)
51
N.C
-
No Connection
52
N.C
-
No Connection
53
N.C
-
No connection
54
PVCONT_ON
I/O Power supply voltage control
55
W_SDO
O
Wireless Serial Data Output
56
W_SCL
I/O Wireless Serial Clock
57
W_SDI
I
Wireless Serial Data Input
58
N.C
-
No connection
59
FL_CS
O
FLD CHIP SELECT
60
FL_CLK
O
FLD CLOCK
61
FL_DI
O
FLD DATA I/P
62
VCC2
-
Voltage Supply
63
N.C
-
No Connection
64
VSS
-
GND
65
N.C
-
No Connection
66
N.C
-
No Connection
67
N.C
-
No Connection
68
N.C
-
No Connection
69
CLK_DSP
O
DSP serial clock
70
INTREQ_DSP
I
DSP Interrupt Request
71
BUSY_DSP
I
DSP communication Status
72
RESET_DSP
O
DSP RESET
73
CS_DSP
O
DSP Chip Select
74
MOSI_DSP
O
Main Data Out - DSP
75
INTREQ_CODEC
I
CODEC Interrupt Request
76
CS_CODEC
O
CODEC Chip Select
77
MISO_DSP
I
DSP Data OUT
78
RESET_CODEC
O
CODEC RESET
79
DT_OUT_CODEC
I
CODEC Data Out
80
N.C
-
No Connection
81
N.C
-
No Connection
82
N.C
-
No Connection
83
REG1
-
No Connection
84
REG2
-
No Connection
85
SEL_B
I/O Selector B
86
SEL_A
I/O Selector A
87
N.C
-
No Connection
88
N.C
-
No Connection
89
PWR_CTRL
O
Power supply control
90
PCONT
O
Control of power supply relay
91
KEY2
I
Key 2 entry terminal
92
KEY1
I
Key 1 entry terminal
93
N.C
-
No Connection
94
DC_DET
I
Power Amp Failure
95
S_DET
I
Power supply Short detection
96
AVSS
-
AVSS
97
FILTER
I
Filter setting
98
VREF
-
Reference power supply of the
A/D converter [3.3V]
A/D converter [3.3V]
99
AVCC
-
AVCC
100
N.C
-
No Connection
Pin No.
Terminal Name
I/O
Function