Sharp MD-S301 Service Manual page 38

MD-S301/S301W
IC201 VHiLR376481-1 (LR376481): LSI Signal Processor (1/2)
Pin No. Terminal Name
1 EFMMON
2 AVCC
3 EFMI
4 AGND
5 AIN
6 EIN
7 TCG
8 BIN
9 FIN
10 VBAT
11 WBI
12 VDD1
13 DGND
14, 15 TEST0, TEST1
16 TEST2
17 X176KO
18 FODRF
19 FODRR
20 TRDRF
21 TRDRR
22 SLDRF
23* SLDRR
24 SPDRF
25 SPDRR
26-28 RAA3-RAA1
29 RAA0
30* RAA10
31 VDD2
32-36 RAA4-RAA8
37 RAOEX
38 DGND
39 RACASX
40 RAD2
41 RAD3
42 RAA9
43 RARASX
44 RAWEX
45 RAD1
46 RAD0
47* TCRS
48* ACRCER
49* PLCK
50* EFMO
51* X700KO
52* EXPORT0
53* EXPORT1
54* TESO1
55* TEST3
56* TEST4
57* CDDATA
58* CDLRCK
59* CDBCLK
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Input/Output
Output EFM monitor output
— Analog power
Input EFM signal input from RF amplifier
— Analog GND
Input Focus error signal A
Input Tracking error signal E
Input Track cross signal
Input Focus error signal B
Input Tracking error signal F
Input Constant voltage servo power voltage detection signal
Input ADIP wobble signal
— Digital power
— Digital GND
Input Test input. To be connected to GND usually
Input Test input. Endecoder/servo mode and ATRAC mode selection
To be connected to GND usually when used
Output Clock output. f = 176.4 kHz (4fs)
Output Focus servo forward output. PWM
Output Focus servo reverse output. PWM
Output Tracking servo forward output. PWM
Output Tracking servo reverse output. PWM
Output Slide servo forward output. PWM
Output Slide servo reverse output. PWM
Output Spindle servo forward output or spindle servo output. PWM
Output Spindle servo reverse output or spindle rotation forward/reverse selection
Output Address output to external D-RAM, ADR3-ADR1
Output Address output to external D-RAM, ADR0 (LSB)
Output Address output to external D-RAM, ADR10 (MSB)
— DRAM interface power
Output Address output to external D-RAM, ADR4-ADR8
Output Data output enable signal output to external D-RAM
— Digital GND
Output Column address strobe signal output to external D-RAM
Input/Output Data input/output from and to external D-RAM, D2
Input/Output Data input/output from and to external D-RAM, D3 (MSB)
Output Address output to external D-RAM, ADR9
Output Low address strobe signal output to external D-RAM
Output Data write enable signal output to external D-RAM
Input/Output Data input/output to and from external D-RAM, D1
Input/Output Data input/output to and from external D-RAM, D0 (LSB)
Output Track cross signal
Output ADIP CRC error flag monitor output
Output Playback state EFM PLL clock output
Output Recording state EFM signal output. Playback state CIF (CI error flag) monitor output
Output Clock output. f = 705.6 kHz. Clock is not output when RSTX = 0.
Output Microcomputer extension port 0
Output Microcomputer extension port 1
Output PLLLLR Microcomputer extension port 2 for selection
Input/Output PLLOSC Microcomputer extension port 3 for selection
Input/Output EXTCLK Microcomputer extension port 4 for selection
Input/Output High-speed dubbing CD data input. Microcomputer extension port 5 for selection
Input/Output High-speed dubbing CD LR clock input. Microcomputer extension port 6 for selection
Input/Output High-speed CD bit clock input. Microcomputer extension port 7 for selection
Function
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