39
1
FOK
I
Focus OK input. Used for SENS output and the servo auto sequencer.
2
FSW
O
Spindle motor output filter switching output. (Not used)
3
MON
O
Spindle motor on/off control output. (Not used)
4
MDP
O
Spindle motor servo control.
5
MDS
O
Spindle motor servo control. (Not used)
6
LOCK
O
High, when sampled value of GFS at 460Hz is high.
Low, when sampled value of GFS at 460Hz is low by 8 times successively.
7
NC
Not connected.
8
VCOO
O
Analog EFM PLL oscillation circuit output. (Not used)
9
VCOI
I
Analog EFM PLL oscillation circuit input. fLOCK=8.6436MHz. (Connected to GND)
10
TEST
I
TEST pin. (Connected to GND)
11
PDO
O
Analog EFM PLL charge pump output. (Not used)
12
VSS
GND.
13
PWMI
I
Spindle motor external control input. (Connected to GND)
14
V16M
O
VCO2 oscillation output for the wide-band EFM PLL.
15
VCTL
I
VCO2 control voltage input for the wide-band EFM PLL.
16
VPCO
O
Wide-band EFM PLL charge pump output.
17
VCKI
I
VCO2 oscillation input for the wide-band EFM PLL.
18
FILO
O
Multiplier PLL (slave=digital PLL) filter output.
19
FILI
I
Multiplier PLL filter input.
20
PCO
O
Multiplier PLL charge pump output.
21
AVSS
Analog GND.
22
CLTV
I
Multiplier VCO1 control voltage input.
23
AVDD
Analog power supply (5V).
24
RF
I
EFM signal input.
25
BIAS
I
Constant current input of the asymmetry circuit.
26
ASYI
I
Asymmetry comparator voltage input.
27
ASYO
O
EFM full-swing output.
I
Low: asymmetry circuit off; high: asymmetry circuit on. (Connected to VDD)
Not connected.
I
Audio data output mode switching input. Low: serial output; high: parallel output.
(Connected to GND)
D/A interface for 48-bit slot. Word clock f=2Fs. (Not used)
D/A interface for 48-bit slot. LR clock f=Fs.
Power supply (5V).
34
DATA
O
DA16 (MSB) output when PSSL=1.
48-bit slot serial data (twos complement, MSB first) when PSSL=0.
35
BCK
O
DA15 output when PSSL=1. 48-bit slot bit clock when PSSL=0.
36
DATA64
O
DA14 output when PSSL=1.
64-bit slot serial data (twos complement, LSB first) when PSSL=0. (Not used)
37
BCK64
O
DA13 output when PSSL=1. 64-bit slot bit clock when PSSL=0. (Not used)
IC, CXD2540Q-1/2
Pin No.
Pin Name
I/O
Description
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
