-30-
Pin No.
Pin Name
I/O
Description
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
TE
CE
RFDC
ADIO
AGND
IGEN
AVDD
ASYO
ASYI
RFAC
AGND
CLTV
FILO
FILI
PCO
AVDD
BIAS
VCTL
V16M
VPCO
VDD
ASYE
MD2
DOUT
LRCK
PCMD
BCK
EMPH
XTSEL
GND
XTAI
XTAO
SOUT
SOCK
SOLT
SQSO
SQCK
SCSY
SBSO
EXCK
I
I
I
O
–
I
–
O
I
I
–
I
O
I
O
–
I
I
I/O
O
–
I
I
O
O
O
O
O
I
–
I
O
O
O
O
O
I
I
O
I
Tracking error signal input
Middle point servo analog input
RF signal input
Testing pin (Not used)
Analog GND
Constant current input for OP amplifier
Analog power supply
EFM full swing output “L” = VSS, “L” = VDD
Asymmetry comparator voltage input
EFM signal input
Analog GND
VCO1 control voltage for multiplication input
Filter output for master PLL (slave = digital PLL)
Filter input for master PLL
Charge pump output for master PLL
Analog power supply
Asymmetry circuit constant current input
VCO2 control voltage input for wideband EFM PLL
VCO2 oscillation output for wideband EFM PLL. Switching by command inputs clock for
wideband EFM PLL (Not used)
Charge pump output for wideband EFM PLL
Digital power supply
Asymmetry circuit ON/OFF, “L” = OFF, “H” = ON
Digital-out ON/OFF control. “L” = OFF, “H” = ON
Digital-out output pin (Not used)
D/A interface. LR clock output. f = Fs
D/A interface. Serial data output. (2's COMP, MSB first)
D/A interface. Bit clock output.
“H” is output when emphasis is present on a playback disc. “L” is output when emphasis is
absent. (Not used)
Crystal selection input pin.“L” when crystal is 16.9344 MHz, and “H” when crystal is 33.8688 MHz.
Digital GND
Crystal oscillating circuit input pin. This is used for inputting a master clock from the exterior.
Crystal oscillating circuit output pin
Serial data output in servo block (Not used)
Serial data read clock output in servo block (Not used)
Serial data latch output in servo block (Not used)
Sub Q80 bit and PCM peak level data output. CD TEXT data output.
Clock for SQSO read-out input
Input for re-synchronizing GRSCOR
Serial output of Sub P-W(Not used)
Clock for SBSO read-out input
IC DESCRIPTION - 5/6 (CXD2585Q) - 2/2