Panasonic SA-AK180PN, Service Manual, Page: 91 / 106

91
18 Terminal Function of ICs
18.1. IC2801 (RFKWMAK180PN): IC
MICRO-PROCESSOR
18.2. IC6901(C0HBB0000057): IC FL
Driver
Pin No. Terminal Name I/O Function
1 CLIP_SENS - No Connection
2 BASS JOG2 I Bass Jog 2
3 VOL_LED O Volume LED
4 USB_VE I/O Verify error for USB version up
using CD
5 USB.IRQ I USB Interrupt request
6 USB_TE I/O Time Out Error for USB
7 MMOD0 I/O Micon mode switching for USB
version up
8 BYTE - External Data Bus width width
select input. (GND)
9 CNVSS - Flash Mode Terminal
10 XCIN - 32.768kHz sub clock
11 XCOUT - 32.768kHz sub clock
12 /RESET I /Reset input (Active L)
13 XOUT - 10MHz main clock
14 VSS - GND (0V)
15 XIN - 10MHz main clock
16 VCC - Power Supply (+3.3V)
17 /NMI - Connected to vcc (3.3V)
18 RMT I Remote control Input
19 BLKCK I CD block control Input
20 SYNC I AC failure detect input
21 EE_CS O EEPROM chip select
22 EE_CLK O EEPROM clock
23 EE_DAT I/O EEPROM data
24 MODE SW I CR14 MODE SW
25 TOP SW I CR14 TOP SW
26 UD SENSOR I CR14 UD Sensor
27 CW O CR14 LD_CW
28 CCW O CR14 LD_CCW
29 USB_SCL I/O USB I2C clock line
30 USB_SDA I/O USB I2C data line
31 IPOD_TXD O Flash TX for on board writer
32 IPOD_RXD I Flash RX for on board writer
33 USB_RST O USB reset pin
34 BUSY I (Flash Busy for On board writer)
35 ASP_DAT I/O ASP DATA Signal
36 ASP_CLK I/O ASP_CLK Signal
37 CLOSE_SW I CR14 Close SW
38 CR14 HOME_SW I Home SW for CR14
39 OPEN_SW I CR14 Open SW
40 CD_OPEN_SW I CR14 CD OPEN SW
41 CR14 CD LOAD (L) O CR14 CD LOAD (L)
42 CR14 CD LOAD (H) O CR14 CD LOAD (H)
43 /RESET SW I CD limit SW Input for the most
inner point (activeLow)
44 CD_RST O CD reset Output
45 STATUS I CD servo LSI status input
46 MLD O CD command load output
47 MDATA_OUT O CD command data output
48 MCLK O CD command CLK output
49 NC - No Connection
50 NC - No Connection
51 NC - No Connection
52 NC - No Connection
53 NC - No Connection
54 NC - No Connection
55 NC - No Connection
56 RDS_DATA - NC
57 RDS_CLK - NC
58 TU_ST I Tuner Stereo signal
59 TU_SDA O Tuner Serial Data Input
60 TU_SCLK O Tuner Serial Clock Input
61 TU_SD I Tuner tuned signal
62 VCC - Power supply (+3.3V)
63 MUTE_A O Audio mute
64 VSS - Ground (0V)
65 NC - No Connection
66 NC - No Connection
67 MUTE_DA O Digital Amp Mute
68 DCDET_AMP I DC detect input 1(D.Amp failure)
69 F_HOP O FHOP for digital AMP
70 MUTE_F O Front Muting
71 MUTE_S O Surround Muting
72 SMPS BP O SMPS Beat Proof
73 DCDET_PWR I DC detect input 1(Power supply
failure)
74 PCONT O Main transformer control output
75 DECK_PHOTO I NC
76 NC - No Connection
77 DECK REC - NC
78 DECK MOTOR - NC
79 DECK PLUNGER - NC
80 HP_SW I Headphone SW
81 MPORTSW I Music Port SW
82 FL_CLK O Serial Clock to FL driver
83 FL_DOUT O Serial Data to FL driver
84 FL CS O FL driver CS
85 NC - No Connection
86 DECK AD1 I Deck AD Input 1
87 DECK_AD2 I Deck AD Input 2
88 ROTARY_JOG I Rotary Jog
89 REG I/O Region Setting
90 VOL_JOG I Volume Jog
91 CS I Chip Select pin
92 KEY3 I Key 3 Input
93 KEY2 I Key 2 Input
94 KEY1 I Key 1 input
95 BASS JOG1 I Bass Jog 1
96 AVSS - Analog power supply input (Con-
nect to GND)
97 NC - No Connection
98 VREF - Reference for AD (3.3V)
99 AVCC - Analog power supply input
100 DEMO SEL I (H= default demo; L= default
demo OFF)
Pin
No.
Terminal Name I/O Function
1 P0 O No Connection
2 P1 - No Connection
3 P2 - No Connection
4 P3 - No Connection
5 OSC I Oscillator Input
6 NC - No Connection
7 DIN I Data Input
8 CLK I Clock Input
9 STB I Serial Interface Strobe
10 K1 - Key Data Input 1 (No Connec-
tion)
11 K2 - Key Data Input 2 (No Connec-
tion)
Pin No. Terminal Name I/O Function