KD-SX985
1-27
Symbol
I/O
Description
Pin
No
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
PDO
TMAX
LPFN
LPFO
PVREF
VCOF
AVSS3
SLCO
RFI
AVDD3
RFCT
RFZI
RFRP
FEI
SBAD
TEI
TEZI
FOO
TRO
VREF
RFGC
TEBC
SEL
AVDD3
FMO
DMO
VSS3
VDD3
TESIN
ZDET
VSS5
BUS0
BUS1
BUS2
BUS3
BUCK
/CCE
/RST
VDD5
O
O
I
O
-
O
-
O
I
-
I
I
I
I
I
I
I
O
O
-
O
O
O
-
O
O
-
-
I
O
-
I/O
I
I
I
-
EFM and PLCK phase difference signal output pin.
TMAX detection result output pin.
Inverted input pin for PLL LPF amp.
Output pin for PLL LPF amp.
PLL-only VREF pin.
VCO filter pin.
Analog GND pin.
DAC output pin for data slice level generation.
RF signal input pin. Zin selectable by command.
Analog 3.3V power supply voltage pin.
RFRP signal center level input pin.
RFRP signal zero-cross input pin.
RF ripple signal input pin.
Focus error signal input pin.
Sub-beam adder signal input pin.
Tracking error input pin. Inputs when tracking servo is on.
Tracking error signal zero-cross input pin.
Focus equalizer output pin.
Tracking equalizer output pin.
Analog reference power supply voltage pin.
RF amplitude adjustment control signal output pin.
Tracking balance control signal output pin.
APC circuit ON/OFF signal output pin. At laser on, high impedance with UHS="L",
H output with UHS="H".
Analog 3.3V power supply voltage pin.
Feed equalizer output pin.
Disc equalizer output pin.
Digital GND pin.
Digital 3.3V power supply voltage pin.
Test input pin. Normally, fixed to "L".
System clock oscillator GND pin.
System clock oscillator input pin.
System clock oscillator output pin.
System clock oscillator 3.3V power supply voltage pin.
DA converter GND pin.
R-channel data forward output pin.
DA converter 3.3V power supply pin.
Reference voltage pin.
L-channel data forward output pin.
DA converter GND pin.
1 bit DA converter zero detection flag output pin.
Microcontroller interface GND pin.
Microcontroller interface data I/O pins.
Microcontroller interface clock input pin.
Microcontroller interface chip enable signal input pin.At "L", BUS0 to BUS3 are active.
Reset signal input pin. At reset, "L".
Microcontroller interface 5V power supply pin.
TC94A14FA
TMAX Detection Result
Longer than fixed period
Within fixed period
Shorter than fixed period
"PV
DD3
"
"HiZ"
"AV
SS3
"
TMAX Output
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