Terminal Function Of Ic's - Panasonic SU-HTB550GK Service Manual

18.3. Terminal Function of IC's

18.3.1. IC2301 (RFKWMHTB550P) MICRO PROCESSOR IC
Pin No. Mark I/O
1 FAN_DA
2 AUX/BT
3 REMOTE
4 VSYNC_COUNT
5 HDMI_MUTE_D
ET
6 BYTE (VSS)
7 CNVSS
8 XCIN
9 XCOUT
10 RESET
11 XOUT
12 VSS
13 XIN
14 VCC1 (VDET)
15 CEC I/O I/O CEC IN/OUT
16 DSP_IRQ
17 NC
18 AC_SYNC
19 IDROM/BKROM I/O EEPROM for HDMI ID & Backup
SDA
20 IDROM/BKROM I/O EEPROM for HDMI ID & Backup
SCL
21 VALID
22 MUTE_ALL O
23 DAP_MUTE O
24 DAP_RESET
25 HDMI_MUTE_DI O
S
26 DAP_PDN O
27 BT_UART_RX
28 BT_UART_TX O
29 FLASH_TXD O
30 FLASH_RXD
31 Flash_SCLK
32 Flash_BUSY O
33 HDMI_SDA I/O HDMI RX/TX control (Serial Data)
34 HDMI_SCL I/O HDMI RX/TX control (Serial Clock)
35 LOG_MONI_SW
36 TX_RESET
37 RX_RESET
38 ADC_MS-SL O
39 Flash_EPM
40 HDMI_PCONT
41 TX_INT
42 RX_INT
43 ADC_PDN O
44 Flash_CE
45 DAP_SDA I/O DAMP & Jitter less IC Serial Data
46 DAP_SCL I/O DAMP & Jitter less IC Serial Clock
47 RX0_WRT_SEL O
48 RX0/ O
1_EDID_SCL
49 RX0/ O
1_EDID_SDA
Function
- No Connection
- No Connection
I Remocon Serial Input
I VSYNC Monitor for Source
- No Connection
- VSS
- Ground
- Sub clock (For standby mode)
- Sub clock (For standby mode)
I For on board programming
- Main clock
- VSS
- Main clock
- Main power supply 3.3V
I ROHM PWM control
- No Connection
I Detection of AC Power fail (Power
Fail = L)
I VALID info of DAMP
Audio Mute control
Mute control for DAMP
O DAMP RESET
HDMI mute disable
DAMP Power down
O BLUETOOTH Receive
BLUETOOTH Transmit
For on board programming & Log
monitor, Transmit
I For on board programming & Log
monitor, Receive
I For on board programming
For on board programming
I Log monitor switch
- No Connection
- No Connection
ADC Master Slave Selection
Analog mode : ADC mode 3 (mas-
ter), DIR: slavedigital input, ADC
mode 0 (slave), DIR: master
I For on board programming
- No Connection
- No Connection
- No Connection
ADC power down
I For on board programming
RX0 EDID ROM write enable select
(Enable = High)
RX0/1 EDID ROM Serial Clock
RX0/1 EDID ROM Serial Data
Pin No. Mark
50 RX1_WRT_SEL
51 DSP_CLIP
52 STBY_H
53 RX1_HPD
54 RX0_HPD
55 RX1_5V_DET
56 RX0_5V_DET
57 DSP_MODE
58 CS_CODEC
59 ZERO
60 VCC2
61 ECO_PCONT
62 VSS
63 W_SSB
64 W_DET
65 5V_DET
66 TX_HPD
67 RESET_CODEC
68 CS_DSP
69 BUSY_DSP
70 RESET_DSP
71 INTREQ_DSP
72 NC
73 INTREQ_CODE
C
74 SD_OUT
75 MOSI_DSP
76 MISO_DSP /
SDOUT
77 CLK_DSP
78 LED_DATA
79 LED_CLK
80 LED_LCK (CS)
81 REG1 : AREA
82 REG2 : MODEL
83 LED_OE
84 SD
85 OTW
86 DC_DET
87 WS_INT
88 PCONT
89 KEY2
90 KEY1
91 ECO_LEVEL
92 V_CHECK
93 S_DET
94 AVSS
95 NC
96 VREF
97 AVCC
98 W_SDI
134
I/O Function
O RX1 EDID ROM write enable select
(Enable = High)
O PWM control
O Audio output enable control (Enable
= Low)
O Hot Plug Detect out to HDMI RX1
O Hot Plug Detect out to HDMI RX0
I Detection of connect to HDMI RX1
(Detect = High)
I Detection of connect to HDMI RX0
(Detect = High)
O PWM control (Temperature Control)
O DIR control
I Detection of digital signal zero
- Main power supply 3.3V
O ECO mode control
- VSS
O Wireless control
I Wireless control/Detect
I Diode OR from RX_HPD (Detect =
High)
I Hot Plug Detect of HDMI Sink
O DIR control (Reset)
O DSP control (Chip Select)
I DSP control (Busy Status)
O DSP control (Reset)
I DSP control (Interrupt Request)
- No Connection
I DIR control (Interrupt Request)
O Shut down output (DC_DET or SD is
Active Low)
O DSP control
I MISO_DSP OR DT_OUT_CODEC
O DIR control (Clock)
O LED control (Data)
O LED control (Clock)
O LED control (Chip Select)
I Area Code
I Model Code
O LED control (Enable: L)
I DAMP Overload or Overtemp
(Action : PCONT=Low &
SD_OUT=High)
I DAMP Over Temperature
I DAMP & SMPS abnormal detection
(Action : PCONT=Low &
SD_OUT=High)
I Wireless control (Initialize)
O Main power control (Power On =
High)
I Selector : Vref * 0.05 ~ 0.0
Vol UP : Vref * 0.16 ~ 0.06
I Power : Vref * 0.05 ~ 0.0
Vol Down : Vref * 0.16 ~ 0.06
I ECO LEVEL Detection
I HDMI Voltage Detection
I Short Circuit Detection
- AVSS
- No Connection
- ADC power supply
- Main power supply 3.3V
I Wireless control (Serial Data In)