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IC DESCRIPTION -2/2 (CXD2589Q) -1/2
Pin No.
Pin Name
1
VSS0
2
LMUT
3
RMUT
4
SQCK
5
SQSO
6
SENS
7
DATA
8
XLAT
9
XCLK
10
SEIN
11
CNIN
12
DATO
13
XLTO
14
CLKO
15
(SENSE2) SPOA
16
SPOB (IN/SW)
17
RW
18
FCOK
19
VDD1
20
VSS1
21
MDP
22
PWMI
23
TEST
24
TESI
25
VPCO
26
VCKI
27
V16M
28
VCTL
29
PCO
30
FILO
31
FILI
32
AVSO
33
CLTV
34
AVDO
35
RF
36
BIAS
37
ASYI
38
ASYO
39
LRCK
40
LRCKI
41
PCMD
I/O
–
Ground of digital circuits
O
Lch "0" detecting flag. (Not used)
O
Rch "0" detecting flag. (Not used)
I
Clock input for reading SQSO
O
SubQ 80bit serial output
O
SENS output to CPU
I
Serial data input from CPU
I
Latch input from CPU. Latches serial data at the trailing edge.
I
Clock input for serial data transfer from CPU
I
SENS input from SSP
I
Count track jump number input
O
Serial data output for SSP
O
Serial data latch output for SSP. Latch at falling.
O
Outputs clcok for transferring SSP serial data
I
Microprocessor extended interface (input A)
I
Microprocessor extended interface (input B)
O
Microprocessor extended interface (output)
I
Focus OK signal input. It is used fo a SENS output and a servo auto sequencer.
–
Power supply (+5V)
–
Ground of digital circuits
O
Spindle motor servo control output
I
Exterior control input of spindle motor (connect to GND)
I
TEST pin. Normally, grounded.
I
TEST pin. Normally, grounded.
O
Charge pump output for EFM PLL of extensive zone (Not used)
I
Oscillator input for EFM PLL of extensive zone
O
Oscillator output for EFM PLL of extensive zone
I
VCO2 control voltage input for EFM PLL of extensive zone (connect to VDD)
O
Charge pump output for master PLL
O
Filter output for master PLL (Slave: Digital PLL)
I
Filter input for master PLL
–
Analog GND
I
VCO control voltage input for multiplication
–
Analog power supply (+5V)
I
EFM signal input
I
Asymmetry circuit constant current input
I
Asymmetry comparator voltage input
O
EFM full-swing output ("L": Vss; "H": VDD)
O
D/A interface LR clock output f=Fs
I
LR clock input
O
D/A interface serial data output (2's COMP, MSB first)
Description
-47-
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