Sharp IM-DR580H(S) Service Manual page 55

IC201 VHiLR37820+-1 : Endec/Servo/Atrac (LR37820) (2/3)
Terminal Name
Pin No.
52 RAA8
53* RAOEX
54 DGND
55 RACASX
56 RAD2
57 RAD3
58 RAA9
59 RARASX
60 RAWEX
61 RAD1
62 RAD0
63* RAA11
64 AGND4
65 VOLDAC
66 AVCC4
67 DGND4R
68* ROUTX
69 ROUT
70 VDD4LR
71 MUTE
72 LOUT
73* LOUTX
74 DGND4L
75, 76 FWMVDD
77, 78 FWMOUT
79 PON
80 DGND
81 VDDX
82 XI
83 XO
84 VDD1
85 AGND3
86* PLLBVC
87 EXTC
88 AGND3
89 DIN2
90 CDDATA/DISP1F3
91 CDLRCK/DISP1F1
92 CDBLCK/DISP1F2
93 DIN
94* DOUT
95 DEFECT
96* DILPCK
97 ADDATA
98 DHPIN
99 DADATA
100 LRCK
101 BCLK
102 DFCK
103 VDD2
In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.
Input/Output
Output Address output to external D-RAM. ADR8
Output
— Digital GND.
Output Column address strobe signal output to external D-RAM.
Input/Three-state Output Data input/output with external D-RAM. D2
Input/Three-state Output Data input/output with external D-RAM. D3 (MSB)
Output Address output to external D-RAM. ADR9
Output Row address strobe signal output to external D-RAM.
Output Data write enable signal output to external D-RAM.
Input/Three-state Output Data input/output with external D-RAM. D1
Input/Three-state Output Data input/output with external D-RAM. D0 (LSB)
Output
— Analog GND.
— DAC for volume. Stop by microcomputer setting.
Stop: HiZ
Input Analog power supply.
— Digital GND.
Output
Output 1 bit PWM Rch
Input Analog power supply.
Output Mute output.
Output 1 bit PWM Lch
Output
— Digital GND.
Input PWM power supply.
— PWM power supply.
Input Sync signal input for microcomputer power on.
— Digital GND.
Input Internal digital power supply.
Input Oscillation circuit input. 33.8688 MHz
Output Oscillation circuit output. 33.8688 MHz
Input Power supply for interface.
— Analog GND.
Analog Output Terminal of external capacitor for internal PLLB.
— Terminal of external capacitor for LPF of PLL VCO.
— Analog GND.
Schmidt Input/ DIO input signal/Net MD LSI IF (output). Expansion port 4.
Three-state Output
Output Data output for display indication.
Output L/R data output for display indication.
Output Clock output for display indication.
Schmidt Input Digital input signal.
Output
Schmidt Input Defect input.
— Not used.
Schmidt Input Audio data input.
— Stop by microcomputer setting. Stop: L
Output Audio data output.
Output Lch/Rch switching output of music data.
Output Shift clock of music data.
Output
Input Power supply for interface.
Data output enable signal output to external D-RAM.
Address output to external D-RAM. (ADR11: used by 64 Mbit)
1 bit PWM Rch (reversed phase)
1 bit PWM Lch (reversed phase)
Digital output signal.
Clock for AD converter digital filter.
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Function
IM-DR580H