SD-EX100H (serv.man18). Function table of IC - Sharp Audio Service Manual (repair manual). Page 11

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SD-EX100H
– 76 –
In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.
70
P22/A2(/D2/D1)
CD_FUNC
Output
CD power control and DIG signal switching output
"L" output in case of CD FUNC; "H" output in other cases
71*
P21/A1(/D1/D0)
DIG_FUNC
Output
External DIG input power control output
 "L" output in case of DIG.FUNC; "H" output in other cases
72*
P20/A0(/D0/-)
Output
Port processing.  Fixed at "L".
73
P17/D15/INT5
CD_BUS3
Input/Output CD DSP Interface input-output.  Bus line 3.
Fixed at output "L" in cases except for CD function
74
P16/D14/INT4
CD_BUS2
Input/Output CD DSP Interface input-output.  Bus line 2.
Fixed at output "L" in cases except for CD function
75
P15/D13/INT3
CD_BUS1
Input/Output CD DSP Interface input-output.  Bus line 1.
Fixed at output "L" in cases except for CD function
76
P14/D12/INT2
CD_BUS0
Input/Output CD DSP Interface input-output.  Bus line 0.
Fixed at output "L" in cases except for CD function
77
P13/D11
CD_BUCK
Output
CD DSP Interface clock output.
Bus line: Clock
Fixed at output "L" in cases except for CD function
78
P12/D10
CD_CCE
Output
CD DSP interface chip enable output.
Fixed at output "L" in cases except for CD function
79
P11/D9
CD_RESET
Output
Reset output to CD DSP
Fixed at output "L" in cases except for CD function
"L" 
  "H": Reset;  Thereafter "H" output for CD
80
P10/D8
CD_RW-SW
Output
Primary power relay control output
"H" Output : Relay ON, Current is supplied "L" Output : Relay OFF
81*
P07/D7
Output
Port processing.  Fixed at "L".
82*
P06/D6
Output
Port processing.  Fixed at "L".
83*
P05/D5
Output
Port processing.  Fixed at "L".
84
P04/D4
CCB_D0
Input
Serial data input from SANYO CCB device
85
P03/D3
CCB_CE
Output
Serial clock output to SANYO CCB device
86
P02/D2
CCB_DI
Output
Serial command data output to SANYO CCB device
87
P01/D1
CCB_CL
Output
CE Control output to SANYO CCB device
88
P00/D0
TIMER_STBY
Output
Timer standby LED control
LED lights up during output "H"; LED lights out during output "L"
89
P107/AN7/KI3
(TUN)SM
Input
To monitor TUNER signal strength
A/D Input
90
P106/AN6/KI2
MECH_M_SENS
Input
A/D import.  Inversion voltage detection input-output when confining CD
A/D Input
mechanism UP operation. Detection level: Not yet determined
91
P105/AN5/KI1
PROTECT
Input
A/D import.
A/D Input
Amplifier abnormality detection.  Types of ERR detected according to voltage.
92*
P104/AN4/KI0
Output
Port processing.  Fixed at "L".
93*
P103/AN3
Input
Port processing.  Fixed at "L".
94
P102/AN2
KEY2
Input
A/D import.  Main unit keystroke 2
A/D Input
95
P101/AN1
KEY1
Input
A/D import.  Main unit keystroke 1
A/D Input
96
AVSS
AVSS
VSS Terminal for A/D converter.  Connected to GND (VSS)
97
P100/AN0
INT
Input
A/D import.  Main unit keystroke 1
A/D Input
Setting according to destination
98
VREF
VREF
Input
A/D converter reference voltage input terminal.
Connected to VCC terminal
99
AVCC
AVCC
Input
A/D converter power input terminal.
Connected to VCC terminal
100
P97/ADTRG/SIN4
FLD_RESET
Output
Reset output to FL driver M66005
Pin No.
Function
Port Name
Terminal Name Input/Output
ICD02 RH-iX0566AW00: System Microcomputer (IX0566AW) [Serial N0. 20500065 to 20501035] (3/3)
ICD02 RH-iX0566AWZZ: System Microcomputer (IX0566AW) [From Serial N0. 20601036] (3/3)
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