Sharp SD-AT50H Service Manual page 51

IC301 RH-iX0563AWZZ: DSP System Microcomputer (IX0563AW) (3/3)
Pin No. Port Name
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/KI3
90* P106/AN6/KI2
91 P105/AN5/KI1
92 P104/AN4/KI0
93* P103/AN3
94 P102/AN2
95 P101/AN1
96 AVSS
97 P100/AN0
98 VREF
99 AVCC
100 P97/ADTRG/SIN4
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Terminal Name Input/Output
DSP_INTREQ Input
H.P_SW Input
N.C. Output
N.C. Output
N.C. Output
CONFIG Output
N.C. Output
AUDITION Input
POWER_KEY Input
FM_STB Output
N.C. Output
CCB_DO Input
CCB_CL Output
CCB_DI Output
CCB_CE Output
TUNER_SM Input
(A/D Input)
N.C. Output
(A/D Input)
PROTECT Input
(A/D Input)
AREA Input
(A/D Input)
N.C. Output
(A/D Input)
DVD_POWER Input
(A/D Input)
KEY1 Input
(A/D Input)
GND —
POWER Input
(A/D Input)
VREF Input
AVCC Input
GND Input
Input of DSP data receive request signal.
L : DSP -> microcomputer DATA receive request.
Headphones insert SW detect input.
"H" : H.P insert, SP relay OFF, A/D reset control
Set it as an output terminal and fix it to Low since it is not used.
Set it as an output terminal and fix it to Low since it is not used.
Set it as an output terminal and fix it to Low since it is not used.
CONFING setting output.
SUBWOOFER : "H" with YES (CONGING1)
"L" with NO (CONFING2).
Set it as an output terminal and fix it to Low since it is not used.
Audition MODEL select input.
H : audition MODEL, L : normal MODEL.
Power supply operation key input.
"L" when FUNCTION is "FM STEREO" or "FM MONO".
Otherwise "H".
Set it as an output terminal and fix it to Low since it is not used.
Serial data input from the Sanyo CCB device.
Serial clock output to the Sanyo CCB device.
Serial command data output to the Sanyo CCB device.
CE control output to the Sanyo CCB device.
A/D import, input of tuner field intensity comparison detect.
Set it as an output terminal and fix it to Low since it is not used.
A/D import, system abnormality detect input.
A/D import, destination setting for TUNER BAND.
Set it as an output terminal and fix it to Low since it is not used.
A/D import, input for detecting the DVD player status.
A/D import, main body key input 1.
VSS terminal of the A/D converter. Connected to GND (VSS).
Port for detecting power ON when importing the A/D.
Reference voltage input terminal of the A/D converter.
Connected to the VCC terminal.
Power supply input terminal of the A/D converter.
Connected to the VCC terminal.
Port processing. Fixed to "L". (Not used)
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SD-AT50H
Function