MN662724RPE Datasheet, PDF (5/7 Pages) Panasonic Semiconductor – Signal Processing LSI for CD Players

For Audio Equipment
MN662724RPE
Pins Descriptions (continued)
Pin No. Symbol I/O
38
RFDET
I
Function Description
RF detection signal input.
"L" level: detected.
39
BDO
I
Dropout signal input.
"H" level: dropout
40
LDON
O
Laser ON signal output.
"H" level: ON.
41
PLLF2
I/O
PLL loop-filter characteristic switching pin.
42
PLAY
O
Play signal output.
"H" level: play.
43
WVEL
O
Double-speed status signal output.
"H" level: double-speed.
44
ARF
I
RF signal input.
45
I_REF
I
Reference current input pin
46
DRF
I
DSL bias pin.
47
DSLF
I/O
DSL loop-filter pin.
48
PLLF
I/O
PLL loop-filter pin.
49
VCOF
I/O
VCO loop-filter pin.
50
AV_DD2
I
Power supply for analog circuits (DSL, PLL, D/A converter output, and A/D
converter).
51
AV_SS2
I
Ground for analog circuits (DSL, PLL, D/A converter output, and A/D
converter).
52
EFM
O
EFM signal output. • EFM output.
or CK384
• Crystal oscillator 16.9344 MHz output.
• 384 f_s output from signal processing block. (During
variable-pitch operation, this is the VCO clock.)
Commands permit switching among the above three outputs.
53
PCK
O
or DSLB
Clock for PLL or DSL balance output.
f_PCK=4.3218MHz
54
TOFS
O
Tracking offset adjustment output.
55
SUBC
O
Subcode serial output.
56
SBCK
I
Clock input for subcode serial output.
57
V_SS
I
Ground for oscillator circuit.
58
X1
I
Crystal oscillator circuit input pin. f=16.9344MHz, 33.8688MHz
59
X2
O
Crystal oscillator circuit output pin. f=16.9344MHz, 33.8688MHz
60
V_DD
I
61 BYTCK or O
Oscillator circuit power supply.
During default operation, byte clock signal output.
TRVSTOP
During command execution, traverse stop signal output. "H" level: stop mode.
62
CLDCK
O
63
FCLK
O
64
IPFLAG O
Subcode frame clock signal output pin.
Crystal frame clock signal output.
Interpolation flag signal output.
(f_CLDCK=7.35kHz)
(f_FCLK=7.35kHz)
"H" level: interpolation.
65
FLAG
O
Flag signal output.
66
CLVS
O
Spindle servo phase synchronization signal output. "H" level: CLV.
"L" level: rough servo.
67
CRC
O
Subcode CRC check result output.
"H" level: OK. "L" level: no good.
68
DEMPH O
De-emphasis detection signal output. "H" level: on.