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HT-CN300
IC710 RH-iX0489AWZZ: System Microcomputer (IX0489AW) (2/2)
Pin No.
Port Name
52*
P42/A18
53*
P41/A17
54*
P40A16
55*
P37/A15
56*
P36/A14
57*
P35/A13
58*
P34/A12
59*
P33/A11
60*
P32/A10
61
P31/A9
62
VCC
63
PP30/A8(/-/D7)
64
VSS
65
P27/A7(/D7/D6)
66
P26/A6(D6/D5)
67
P25/A5(/D5/D4)
68*
P24/A4(/D4/D3)
69*
P23/A3(/D3/D2)
70*
P22/A2(/D2/D1)
71*
P21/A1(/D1/D0)
72
P20/A0(/D0/-)
73
P17/D15/INT5
74
P16/D14/INT4
75
P15/D13/INT3
76*
P14/D12
77*
P13/D11
78
P12/D10
79
P11/D9
80
P10/D8
81
P07/D7
82
P06/D6
83
P05/D5
84
P04/D4
85
P03/D3
86
P02/D2
87
P01/D1
88
P00/D0
89
P107/AN7/K13
90
P106/AN6/K12
91
P105/AN5/K1
92
P104/AN4/KI0
93
P103/AN3
94
P102/AN2
95
P101/KEY2
96
AVSS
97
P100/ANP/
98
PVREF
99
AVCC
100
P97/ADTRG/SIN 4
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Terminal Name
Input/Output
V_SEL2
Output
V_SEL3
Output
V_SEL4
Output
V_DATA
Output
VOL_STB
Output
VOL_CLK
Output
DOOR_SPED
Output
DOOR_M+
Output
DOOR_M-
Output
DOOR_OP
Input
VCC
Input
DOOR_CL
Input
GND
Output
ROM
Output
DSP_AB00T
Output
OFFSET
Input
A/D_RESET
Output
DVD_+B
Output
DIG_FUNC+B
Output
BASS-SW
Output
S_MUTE
Output
A/D_REMONI
Input
DSP_INTREQ
Input
H. P_SW
Input
-B_CONT
Output
FAN_MOTOR
Output
POWER
Output
W_SP_RLY
Output
S_SP_RLY
Output
C_SP_RLY
Output
F_SP_RLY
Output
POWER_KEY
Input
TU_MUTE
Output
CCB_DO
Input
CCB_CL
Output
CCB_DI
Output
CCB_CE
Output
TUNER_SM
Input
SD_ST_IN
Input
PROTECT
Input
AREA
Input
TV_TYPA
Input
DOOR_PROT
Input
AVSS
Input
GND
Input
KEY1
Input
VREF
Input
AVCC
Input
GND
Input
Connected to video output selector, SW2.
Connected to video output selector, SW4.
Connected to video output selector, SW5.
Data output for electronic Vol IC control signal.
Strobe output for electronic Vol IC control signal.
Clock output for electronic Vol IC control signal.
DVD/CD door speed switch output
Control output of CD/DVD mechanism door OPEN/CLOSE control motor.
Control output of CD/DVD mechanism door OPEN/CLOSE control motor.
CD/DVD mechanism door OPEN SW input.
Microcomputer power supply (3.3 V).
CD/DVD mechanism door CLOSE SW input.
Connected to GND (VSS).
ROM/RAM enable control output on DSP PWB.
DSP auto boot control terminal. Auto boot starts by "L" setting at DSP RESET.
Detection input of 1-bit AMP ∆∑ IC's output offset voltage error.
1-bit AMP's ∆∑ IC reset control output.
Output of power control and DIG signal switch to the DVD unit.
Power control output for external DIG input.
Output for subwoofer amp gain control.
System mute control output.
1-bit AMP's ∆∑ IC reset monitor output (Schmitt).
DSP data reception request signal output.
Headphone SW detection input.
1-bit AMP's +B power control relay control output.
Output for cooling fan motor rotation control.
Primary power relay control ouput.
Subwoofer speaker relay output.
Surround speaker relay output.
center speaker relay output.
Front speaker relay output
Power operation key input.
Tuner mute output.
Serial data input from Sanyo CCB device.
Serial clock output from Sanyo CCB device
Serial command data output from Sanyo CCB device
CE control output from Sanyo CCB device.
A/D downloading, field strength comparison detect input.
A/D downloading. Tuner tuning, stereo signal detect..
A/D downloading. System error detection input.
A/D downloading. Destination setup for tuner band.
Sets the TV type by A/D downloading.
Finger pinching detection input by CD/DVD mechanism door.
A/D downloading, main unit key input 2.
VSS terminal of A/D converter.
A/D downloading, main unit key input 1.
Reference voltage input terminal of A/D converter.
Power supply input terminal of A/D converter.
Port processing. "L" fixed. (Not used.).
– 42 –
Function
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