Sharp MD-R3H Service Manual page 74

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MD-R3H
IC1201 VHiLR376481-1:ENDEC/ATRAC (LR376481) (1/2)
Terminal Name
Pin No.
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
LATCH
22
CLOCK
23
DATA
24
DVCC
25
FOUT
26
EOUT
27
BOUT
28
AOUT
29
TCGO
30*
WBO
31
22KI
32
22KO
33
ADLPFO
34
NC
35
ADIPO
36
ADIPI
37
ADAGC
38
ADAGI
39
RF2-1
40
EFMO
41
WFMI
42
AVCC
43
AGND
44
EFMAGC
45
EFMAGI
46
ATTR
47*
GOUT
48*
POUT
49*
PLCK
50
EFM0
51*
X700KO
52*
EXPORT0
53*
EXPORT1
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 amp.
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
Power voltage detection signal for constant voltage servo
Input
ADIP wobble signal
Digital power
Digital GND
Input
Input for test. Connection to GND in case of normal use
Input
Input for test. Endecode/servo mode and ATRAC mode selection
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
Output
Address output to external D-RAM. ADR2
Output
Address output to external D-RAM. ADR1
Output
Address output to external D-RAM. ADR0 (LSB)
Output
Address output to external D-RAM. ADR10 (MSB)
Power supply for DRAM interface
Output
Address output to external D-RAM. ADR4
Output
Address output to external D-RAM. ADR5
Output
Address output to external D-RAM. ADR6
Output
Address output to external D-RAM. ADR7
Output
Address output to external D-RAM. ADR8
Output
Data output enable signal output to external D-RAM
Digital GND
Output
Column address strobe signal output to external D-RAM
In/Output
Data input/output from and to external D-RAM. D2
In/Output
Data input/output from and to external D-RAM. D3 (MSB)
Output
Data input/output from and 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
In/Output
Data input/output from and to external D-RAM. D1
In/Output
Data input/output from and to external D-RAM. D0 (LSB)
Output
Track cross signal
Output
ADIP CRC error flag monitor output
Output
EFM PLL clock output in playback mode
Output
EFM signal output in record mode. C1F (C1 error flag) monitor output in playback mode
Output
Clock output. f = 705.6 kHz. Clock output is not performed when RSTX = 0.
Output
Microcomputer extension output port 0
Output
Microcomputer extension output port 1
Function
– 74 –

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