Pin No.
Pin Name
I/O
Description
-1
09
-
1
EFMMON
O
EFM monitor output
2
AVCC1
-
Analog power supply (EFM system 8AD and for 8DA)
3
EFMI
I
The EFM signal input from RF amplifier
4
AGND1
-
Analog GND
5
AVCC2
-
Analog power supply (for servo system and ADIP system 1bit AD)
6
VREF
I
The standard voltage input of RF amplifier
7
WBI
I
ADIP wobble signal
8
TCG
I
Track crossing signal
9
AIN
I
Focal error signal A
10
BIN
I
Focus error signal B
11
EIN
I
Tracking error signal E
12
FIN
I
Tracking error signal F
13
VBAT
I
The constant power supply voltage detected signal for voltage servo
14
VDD1
-
Internal digital power supply
15
DGND
-
Digital GND
16
TEST2
I
The input for a test. Usually, it connects with GND at the time of use.
17
X176KO
O
Clock output. f=176.4KHz (4fs)
18
FODRF
O
Focus servo forward output. PWM.
19
FODRR
O
Focus servo reverse output. PWM.
20
TRDRF
O
Tracking servo forward output. PWM.
21
TRDRR
O
Tracking servo reverse output. PWM.
22
SLDRF
O
Slide servo forward output. PWM.
23
SLDRR
O
Slide servo reverse output. PWM.
24
SPDRF
O
Spindle Servo forward output. PWM.
25
SPDRR
O
Spindle Servo reverse output
26
RAA3
O
The address output to external D-RAM. ADR3
27
RAA2
O
The address output to external D-RAM. ADR2
28
RAA1
O
The address output to external D-RAM. ADR1
29
RAA0
O
The address output to external D-RAM. ADR0 (LSB )
30
RAA10
O
The address output to external D-RAM. ADR10 (MSB )
31
VDD2
-
The power supply for interfaces
32
RAA4
O
The address output to external D-RAM. ADR4
33
RAA5
O
The address output to external D-RAM. ADR5
34
RAA6
O
The address output to external D-RAM. ADR6
35
RAA7
O
The address output to external D-RAM. ADR7
36
RAA8
O
The address output to external D-RAM. ADR8
37
RAOEX
O
The data output enable signal output to external D-RAM
38
DGND
-
Digital GND
39
RACASX
O
The column address strobe signal output to external D-RAM
40
RAD2
I/O
Data input and output with Exterior D-RAM. D2
41
RAD3
I/O
Data input and output with Exterior D-RAM. D3 (MSB)
42
RAA9
O
The address output to external D-RAM. ADR9
43
RARASX
O
The row address strobe signal output to external D-RAM
IC DESCRIPTION -3/3 (LR37816A -1/3)