Panasonic SA-PT480PH, Service Manual

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19 Terminal Function of ICs
19.1. IC2300 (RFKWMPT480GA): IC
MICROPROCESSOR
Pin
No. TERMINAL NAME I/O Description
1 EDA O EEPROM IC Data Signal
2 ECK O EEPROM IC Clock Signal
3 ASS_MUTE O Bypass Auto Speaker Circuit
4 ECO_CTRL O Control Voltage Supply of D-
AMP (For Echo Mode)
5 RMT I Remote Control Signal
6 ECHO_LVL1 I/O Echo Control level 1
7 ECHO_LVL2 I/O Echo Control level 2
8 BYTE I External data bus width select
input
9 CNVSS I Micon Programming-Processor
/ Single Chip Mode
10 XCIN(32K) I Clock In (32KHz)
11 XCOUT(32K) O Clock Out (32KHz)
12 RESET I Microp Reset Signal
13 XOUT I Clock In
14 VSS - GND
15 XIN O Clock Out
16 VCC - VCC +3.3V
17 CEC I CEC IN/OUT PORT
18 ECHO_MUTE O Bypass Echo Circuit
19 SYNC I AC Sync Signal
20 FX_INT I Interrupt from Wireless module
21 FLD_STB O FL Display Strobe Signal
22 TUN_SDIO O Tuner I2C Data
23 LED_CTRL O Power On LED control
24 TUN_SDCLK O Tuner I2C Clock
25 DC_DET1 I Power Supply Failure Detection
(F76)
26 DC_DET2 I D-Amp and Fan Failure Detec-
tion (F61)
27 FLD_OUT O FL Display Data Out Signal
28 FLD_CLK O FL Display Clock Signal
29 DAP/DSP_I2CCLK I/O I2C Clock to DSP / DAP
30 DAP/DSP_I2CDAT I/O I2C Data to DSP / DAP
31 DBG_TX O UART TX for Debug
32 DBG_RX I UART RX for Debug
33 SCLK I Clock Signal (For Flash Writing)
34 DAP_MUTE O DAP Master mute
35 UART_TX I/O iPod UART Transmitter Data
36 UART_RX I iPod UART Receiver Data
37 TUN_RST I/O Tuner Reset Signal
38 iPhone_DAT I I2C Data to iPod IC (Software
I2C control)
39 iPhone_CLK I I2C Clock to iPod IC (Software
I2C control)
40 iPhone_RST O Reset Signal to iPhone
41 EPM L For Downloading Purpose (with
pull down)
42 TUN_GPIO I Tuner General Purpose IO
43 FX_DET H Wireless Detection
44 FX_DI - Not in use
45 FX_SCS - Not in use
46 CE I For Downloading Purpose (with
pull up)
47 FX_DO - Not in use
48 FX_CLK - Not in use
49 iPod_VIDEO_SEL O Selection of Composite Output
from iPod or Back End
50 PCONT O System Power Control
51 RGB_H - Not in use
52 VMUTE2 - Not in use
53 VMUTE I/O Video Mute Control
54 YC_H - Not in use
55 SCART_MUTE - No Connection
56 UNLOAD_SW I DLS6E Unload Switch Signal
57 INNER_SW I DLS6E Inner Switch
58 TRAY_CCW_L O DLS6E Tray Close Signal
59 TRAY_CW_H O DLS6E Tray Open Signal
60 DVD_MUTE I Mute Signal from DVD Module
(Reverse logic of ZFLAG)
61 SEL_A O Analog Input Selector Control A
62 VCC - +3.3V System Supply
63 FX_BUNDLE_CS I Chip Select for Wireless Bun-
dled model for Smart Setup
64 VSS - System Ground
65 HP_MUTE - No Connection
66 NRST - DAC Reset signal (from DV)
67 VCOMP_MUTE - No Cennection
68 WIDE1 - No Connection
69 DSP_RESET O DSP Reset Signal
70 DSP_MUTE O DSP Mute Signal
71 DAP_RST O DAP Reset
72 iPod_CTRL_SW O iPod Control Switch
73 WL_OFF_SW O Not in use
74 iPod_DET I iPod Insertion Detection
75 VOL0_CTRL O Volume Control
76 ADC_RESET O ADC Reset Signal
77 DVD_CMD O DVD Command
78 DVD_STAT I DVD Status
79 DVD_CLK I DVD Clock
80 iPod_OC I iPod Overcurrent Protection
81 DAC_MUTE1 - Not in Use
82 BATT_PCONT I/O iPod Charging Power Control
83 iPod_ACC I iPod Authorisation IC
84 DAC_RESET - Not in use
85 DAC_MUTE - Not in use
86 MIC_SW I MIC Plug in Detection
87 MD3 I DVD Panel Code Digit 3
88 MD2 I DVD Panel Code Digit 2
89 APD I Detect Auto Power Down Level
90 SEL_B O Analog Input Selector Control B
91 KEY2 I Keyline 2: 1st key is OPEN/
CLOSE
During STOP mode, act as KI1
After wake up, act as AN5
92 KEY1 I Keyline 1: 1st key is POWER
During STOP mode, act as KI0
After wake up, act as AN4
93 ASS_INPUT - Not in use
94 DAC_RESET1 - Not in Use
95 DES2 I Model Selector
96 AVSS - Analog GND
97 DES1 I Series Selector
98 VREF - Voltage Ref3.3V
99 AVCC - 3.3V Supply
100 ECS O EEPROM IC Chip Select