DM-3090
1*
EFMMON
Output
EFM monitor output
2
AVCC
—
Analog power
3
EFMI
Input
EFM signal input from RF amp.
4
AGND
—
Analog GND
5
AIN
Input
Focus error signal A
6
EIN
Input
Tracking error signal E
7
TCG
Input
Track cross signal
8
BIN
Input
Focus error signal B
9
FIN
Input
Tracking error signal F
10*
VBAT
Input
Power voltage detection signal for constant voltage servo
11
WBI
Input
ADIP wobble signal
12
VDD1
—
Digital power
13
DGND
—
Digital GND
14,15
TEST0,TEST1
Input
Input for test. Connection to GND in case of normal use
16
TEST2
Input
Input for test. Endecode/servo mode and ATRAC mode selection
17
X176KO
Output
Clock output. f=176.4 kHz (4fs)
18
FODRF
Output
Focus servo forward output. PWM
19
FODRR
Output
Focus servo reverse output. PWM
20
TRDRF
Output
Tracking servo forward output. PWM
21
LATCH
Output
Tracking servo reverse output. PWM
22
CLOCK
Output
Slide servo forward output. PWM
23
DATA
Output
Slide servo reverse output. PWM
24
DVCC
Output
Spindle servo forward output or spindle servo output. PWM
25
FOUT
Output
Spindle servo reverse output or spindle rotation (forward/reverse)selection
26
EOUT
Output
Address output to external D-RAM. ADR3
27
BOUT
Output
Address output to external D-RAM. ADR2
28
AOUT
Output
Address output to external D-RAM. ADR1
29
TCGO
Output
Address output to external D-RAM. ADR0 (LSB)
30*
WBO
Output
Address output to external D-RAM. ADR10 (MSB)
31
22KI
—
Power supply for DRAM interface
32
22KO
Output
Address output to external D-RAM. ADR4
33
ADLPFO
Output
Address output to external D-RAM. ADR5
34
NC
Output
Address output to external D-RAM. ADR6
35
ADIPO
Output
Address output to external D-RAM. ADR7
36
ADIPI
Output
Address output to external D-RAM. ADR8
37
ADAGC
Output
Data output enable signal output to external D-RAM
38
ADAGI
—
Digital GND
39
RF2-1
Output
Column address strobe signal output to external D-RAM
40
EFMO
In/Output
Data input/output from and to external D-RAM. D2
41
WFMI
In/Output
Data input/output from and to external D-RAM. D3 (MSB)
42
AVCC
Output
Data input/output from and to external D-RAM. ADR9
43
AGND
Output
Low address strobe signal output to external D-RAM
44
EFMAGC
Output
Data write enable signal output to external D-RAM
45
EFMAGI
In/Output
Data input/output from and to external D-RAM. D1
46
ATTR
In/Output
Data input/output from and to external D-RAM. D0 (LSB)
47*
GOUT
Output
Track cross signal
48*
POUT
Output
ADIP CRC error flag monitor output
49*
PLCK
Output
EFM PLL clock output in playback mode
50
EFM0
Output
EFM signal output in record mode. C1F (C1 error flag) monitor output in playback mode
51*
X700KO
Output
Clock output. f = 705.6 kHz. Clock output is not performed when RSTX = 0.
52*
EXPORT0
Output
Microcomputer extension output port 0
53*
EXPORT1
Output
Microcomputer extension output port 1
IC1201 VHiLR37648/-1:ENDEC/ATRAC (LR37648)
Pin No.
Terminal Name
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Input/Output
CIRCUIT DESCRIPTION
10
DM-3090(K)
COVER
97.11.29
0:20
AM
y [ W
37
Содержание DM-3090
Страница 31: ...DM 3090 31 PARTS DESCRIPTIONS ...