IM-DR580H
– 54 –
FUNCTION TABLE OF IC
1*
EFMMON
Analog Output
EFM monitor output.
2
AVCC1
Input
Analog power supply. (For EFM system)
3
EFMI
Analog Input
EFM signal input from RF amplifier.
4
AGND1
—
Analog GND.
5
AVCC2
Input
Analog power supply. (For AD)
6
AGND2
—
Analog GND.
7
VREF
Analog Input
Reference voltage input of RF amplifier.
8
WBI
Analog Input
ADIP wobble signal.
9
TCG
Analog Input
Track cross signal.
10
AIN
Analog Input
A-signal for focus servo.
11
BIN
Analog Input
B-signal for focus servo.
12
EIN
Analog Input
E-signal for tracking servo.
13
FIN
Analog Input
F-signal for tracking servo.
14
VBAT
Analog Input
Power supply voltage detection signal for constant voltage servo.
15-17
TEST0-TEST2
Schmidt Input
Input for test. Normally connected to GND.
18
TEST3
Schmidt Input
(For scan circuit)
19*
X176KO
Output
Clock output. f = 176.4 kHz (4fs). Servo OFF: L/Always L
20
FODRF
Output
Focus servo forward output.
21
FODRR
Output
Focus servo reverse output.
22
TRDRF
Output
Tracking servo forward output.
23
TRDRR
Output
Tracking servo reverse output.
24
SLDRF
Output
Slide servo forward output.
25*
SLDRR
Output
Slide servo reverse output.
26
SPDRF
Output
Spindle servo forward output.
27
SPDRR
Output
Spindle servo reverse output.
28
VDD2
Input
Power supply for interface.
29
DGND
—
GND for interface.
30*
ACRCER
Output
CRC error flag monitor output of ADIP.
31*
TCRS
Output
Track cross signal.
32*
PLLCK
Three-state Output
EFM PLL clock output on playback.
33*
FEMON
Output
Focus error signal monitor output.
34*
TOTMON
Output
Total signal monitor output. Series resistor 10 - 100 kohm built in.
35*
TEMON
Output
Tracking error signal monitor output.
36
EFMOX
Output
EFM signal output on recording. (Inversion output of 50-pin)
37
EFMO
Output
EFM signal output on recording.
(C1F (C1 error flag) monitor on recording)
38
X700KO
Output
Clock output. f=705.6 kHz
39
VDD5
Input
Power supply for core.
40
DGND
—
GND for core.
41
VDD1
Input
Power supply for interface.
42
RAA3
Output
Address output to external D-RAM. ADR3
43
RAA2
Output
Address output to external D-RAM. ADR2
44
RAA1
Output
Address output to external D-RAM. ADR1
45
RAA0
Output
Address output to external D-RAM. ADR0 (LSB)
46
RAA10
Output
Address output to external D-RAM. ADR10
47
VDD3
Input
Power supply for interface. (DRAM)
48
RAA4
Output
Address output to external D-RAM. ADR4
49
RAA5
Output
Address output to external D-RAM. ADR5
50
RAA6
Output
Address output to external D-RAM. ADR6
51
RAA7
Output
Address output to external D-RAM. ADR7
Pin No.
Function
Terminal Name
Input/Output
In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.
IC201 VHi-1 : Endec/Servo/Atrac (LR37820) (1/3)
Summary of Contents for IM-DR580H(BK)
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