PIN NO
PIN NAME opeation description
ASSIGN
1 6dB ATT Output for 6dB ATT
O
2 DSP SCD_OUT INPUT Port for DSP SCD_OUTPUT Signal
I
3 DSP INT_REQ Input for DSP Interrupt Request
O
4 ABOOT Output for DSP AUTOBOOT
O
5 S-dir ON/OFF MUTE Mute Whenever Source direct key ON/OFF
O
6 ERR Mute Output for DSP error mute ACTIVE HIGH
O
7 DSP SDIN DSP,DIR,DA Convertor SPI Serial Data INPUT
O
8 DSP SCLK DSP,DIR,DA Convertor Control Signal Clock
O
9 DSP Reset DSP Reset
O
10 DSP CE DSP Chip Enable
O
11 E2PROM CE E2PROM Chip Enable
O
12 ROM3 EPROM Address (Adrr.15)
O
13 ROM2 EPROM Address (Adrr.16)
O
14 ROM30 EPROM Address (Adrr.17)
O
15 ROM31 EPROM Address (Adrr.18)
O
16 74HC151_A2 MM74HC151 Select 0 (A2) DIGITAL INPUT SELECT
O
17 74HC151_A1 MM74HC151 Select 0 (A1) DIGITAL INPUT SELECT
O
18 74HC151_A0 MM74HC151 Select 0 (A0) DIGITAL INPUT SELECT
O
19 Dir DOUT LC89055 DATA OUTPUT
O
20 Dir CE LC89055 Chip Enable
O
21 Dir RST LC89055 RESET
O
22 F_SPK_RLY Front Speaker Relay FRONT SPEAKER RELAY ON/OFF
O
23 H/P RLY HeadPhone Relay HEADPHON RELAY ON/OFF
O
24 CV MUTE C-VIDEO MUTE
O
25 Front Mute Front Mute
O
26 Center Mute Center Mute
O
27 R Center Mute Rear Center Mute
O
28 Subwoofer Mute Subwoofer Mute
O
29 H/P RLY Output for "HEADPHONE RELAY ON/OFF"
O
30 Power Relay POWER ON/OFF RELAY
O
31 Main OSD CE Main OSD Chip Enable
O
32 DAC RST AK5380 RESET
O
33
34 ATT LED Output to drive Attenuation LED ACTIVE HIGH
O
35 Display Off LED Output to drive Display off LED ACTIVE HIGH
O
36 PEAK LED Output to drive Peak Indication LED ACTIVE HIGH
O
37 Night Mode LED Output to drive Night Mode LED ACTIVE HIGH
O
38 HT_EQ LED Output to drive HT_EQ LED ACTIVE HIGH
O
39 FL Reset Output for resetting LC75721 FLT DRRVE IC
O
40 MCU Reset Input for resetting the CPU ACTIVE LOW
I
41 GND Ground
O
42 XTAL Output for 12MHz crystal oscillator
43 EXTAL Input for 12MHz crystal oscillator
O
44 FL Drv. CE Output for chip enable of LC75721 FLT DRIVE IC
O
45 FL Drv. Data Output for data of LC75721 FLT DRIVE IC
O
46 FL Drv. CLK Output for clock of LC75721 FLT DRIVE IC
O
47 Standby LED Output to drive standby LED
O
48 Vol.Encoder Down Volume Encoder Down Turning clockwise, volume is up
I
49 Vol.Encoder Up Volume Encoder Up Turning counterclockwise, volume is down
I
50 Surr.mode Encoder Up Surround mode Selector Up
I
51 Surr.mode Encoder Down Surround mode Selector Down
I
52 GND Avss
53
V
DD
Reference voltage(connected to +5V)
AV
REF
I
54
V
DD
+5V BACK UP'
+5V power supply(AV
DD
)
I
55 Protection Input for detecting "PROTECTION'' condition ACTIVE HIGH
I
56 CS4382_M2 Output for CS4382 Serial Control Clock
O
57 Step Option Input for selecting the Group U1B: 0V, N1B: 1.7V, KIG: 3.3V
I
58 Set Option Input for selecting the Set SR6300 : 0V , SR5300 : 3.3V
I
59 Key3 Data input key scan Check port for AD key input
I
60 Key2 Data input key scan Check port for AD key input
I
61 Key1 Data input key scan Check port for AD key input
I
62
63 CS4382_M3 Serial clock for the Direct
O
Stream Digital audio interface
64 Auto TV(C) Input for detecting CVBS TV input signal ACTIVE HIGH
I
65 4094 CE Output for chip enable of BU4094 shift resistor
O
66 ADC_RST A/D Convertor AK4382 RESET
O
67 S. Video Detector Input for detecting S-VIDEO input signal ACTIVE HIGH
I
68 V-SYNC Input for detecting synchronization signal output
I
from BA7046
69
70 KILL RC5 Output for killing the remote control input ACTIVE HIGH
O
71
72
73 4094(RLY,DC) CE CD4094(RLY,DC0 Chip Enable
O
74 TC9274/9164 CLK Switch IC TC9274/NJU7313 Clock
O
75 TC9274/9164 Data Switch IC TC9274/NJU7313 DATA
O
76 TC9274/9164 CE Switch IC TC9274/NJU7313 Chip Enable
O
77 Power Down Check Input for power down
O
78 RDS Clock Output for RDS clock of TDA7330
I
79 RDS Data Output for RDS data of TDA7330
O
80 Headphone Check Input for detecting the connection If LOW is detected, the surround mode is switched
I
of Headphones automatically to STEREO.
81
82 TONE_Dir Output for TONE DIRECT ON/OFF RELAY
O
83 R_SEL Output for Rear channel selector IC BU4053
O
84 RC5 Out Output for RC5 REMOCON signal
O
85 Remote Control RC5 In
I
86 AUTO Input for non-PCM burst data transfer
I
detection signal
87 AUDIO Input for channel status bit 1
I
88 GND Ground
89 V
DD
+5V power supply
90 N.C
91 PLL/Vol. CLK Output for clock of LC75131 PLL IC and KIC9459,
O
KIC9482 VOLUME IC
92 PLL/Vol. Data Output for data of LC75131 PLL IC and KIC9459,
O
KIC9482 VOLUME IC
93 TC9459/9482 CE Output for chip enable of KIC9459, KIC9482
O
VOLUME IC
94 PLL Data In Input for detecting "SCAN STOP" condition
I
98 PLL CE Output for chip enable of LC72131 PLL IC
O
95 Tuner Mute Output for TUNER MUTE ACTIVE LOW
O
(" L" condition is active)
96 Stereo Input for detecting "STEREO" condition If LOW is detected, STEREO flag is on.
I
97 Tuned Input for detecting "TUNED" condition If LOW is detected, TUNED flag is on.
I
99 4094/OSD CLK Output for clock of BU4094, CD4094
O
SHIFT RESISTOR and M35010 OSD IC
100 4094/OSD Data Output for data of BU4094, CD4094
O
SHIFT RESISTOR and M35010 OSD IC
PIN NO
PIN NAME opeation description
ASSIGN
S49326/AK4382/LC89055_SCLK PB6/SO2 PE5 4094(RLY, DC) Chip Enable
CS49326_RST PB5/SCK2(L) PE6
CS49326_CE PB4/TO2 PE7
E2PROM_CE PB3
PG0/T
X
D
KILL RC5
ROM3 PB2
PG1/R
X
D
ROM2 PB1 PG2/EC0(L) V-SYNC
ROM30 PB0 PG3/EC1(L) S. Video Detector
ROM31 PJ7 PG4/EC2(L) AK4382_RST
74HC151_A2 PJ6 PG5/INT3 4094 Chip Enable
74HC151_A1 PJ5 PG6/INT4 Auto TV (C)
74HC151_A0 PJ4 PG7/CINT CS4382_M3
LC89055_DOUT PJ3 AN0
LC89055_CE PJ2 AN1 Key 1
LC89055_RST PJ1 AN2 Key 2
Front Speaker Relay PJ0 AN3 Key 3
Headphone Relay PD7 PF0/AN4 Set Option
C-VIDEO Mute PD6 PF1/AN5 Step Option
Front Mute PD5 PF2/AN6 CS4382_M2
Center Mute PD4 PF3/AN7 Protection
R Center Mute PD3
AV
DD
V
DD
Subwoofer Mute PD2
AV
REF
V
DD
Rear mute PD1
AV
SS
GND
Power Relay PD0 PF4/AN8 Surr.mode Encoder Down
PH7
PH6
PH5
PH4 (L)
PH3 (L)
PH2 (L)
PH1 (L)
PH0 (L)
PK7/TO1
RST(L)
V
SS
XTAL
EXTAL
PK6/CS0(L)
PK5/SI0
PK4/SO0
PK3 (H) / SCK0 (L)
PF7/AN11
PF6/AN10
PF5/AN9
Mainroom OSD Chip Enable
AK5380_RST
Attenuation LED
Display Off LED
PEAK LED
Night Mode LED
HT_EQ LED
FL Reset
MCU Reset
GND
FL Drv.(LC75721E) Chip Enable
FL Drv. Data
FL Drv. Clock
Standby LED
Volume Encoder Down
Volume Encoder Up
Surr.mode Encoder Up
100
99 98 97 96 95 94 93 92 91 90 89 88 87 86 85
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
464544434241403938373635333231
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
34
29
28
27
26
25
30
50494847
56
55
54
53
52
51
84 83 82 81
12MHz
CXP740010
L : Low Active
Port H : Open Drain (Needs Pull-up)