29
DCD-510AE
Pin
No.
Symbol I/O
Description
Default
Remarks
83
RFEQo
O
3AI/F
RF equalizer circuit output pin.
O
Connect to RFRPI by
0.1uF, to RFI by 4700pF.
84
VRo
O
3AI/F
1.65 V reference voltage output pin.
O
Connected to VREF and
PVREF inside of IC.
Connect 0.1uF+100uF.
85
RESiN
O
3AI/F
Pin for connecting a resistor for reference
current generation.
O
Connect 22k
ǡ
//0.01uF.
86
VMDiR
㧙
Reference voltage output pin for LD APC.
㧙
Connect 0.1uF
87
TESTR
O
3AI/F
LPF connection pin for RFEQO offset
correction circuit.
O
Connect more than
0.015uF.
88
AGCi
I
3AI/F
RF signal AGC amplifier input pin
I
89
RFo
O
3AI/F
RF signal generation amplifier output pin
O
90
RVDD3
㧙
Power supply for 3.3V RF amplifier core
circuit.
㧙
91
LDo
O
3AI/F
Laser diode amplifier output pin.
92
MDi
I
3AI/F
Monitor photodiode amplifier input pin.
I
Reference
Voltage=178mVtyp.
93
RVSS3
㧙
Grounding pin for RF amplifier core circuit
㧙
94
FNi2
I
3AI/F
Main beam signal input pin.
To be connected to PIN diode C.
I
95
FNi1
I
3AI/F
Main beam signal input pin.
To be connected to PIN diode A.
I
96
FPi2
I
3AI/F
Main beam signal input pin.
To be connected to PIN diode D.
I
97
FPi1
I
3AI/F
Main beam signal input pin.
To be connected to PIN diode B.
I
98
TPi
I
3AI/F
Sub beam signal input pin.
To be connected to PIN diode F.
I
99
TNPC
O
3AI/F
TNI/TPI input common capacitor connection
pin.
O
Connect to VRO by
capacitor.
100
TNi
I
3AI/F
Sub beam signal input pin.
To be connected to PIN diode E.
I
* 3A I/F : : 3 V analog circuit input/output pin.
1.5 I/F : 1.5Vdigital input/output pin.
3 I/F
: 3 V digital input/output pin.
Note: The servo output pins (FOO, TRO, FMO, and DMO) become undefined or GND level under the following
Crystal oscillation stopped according to the instructions by the Stop crystal oscillation command
To prevent the undefined pin states from affecting the servo circuitry or any other mechanical blocks in the
system, appropriate measures should be taken, such as using a driver IC supporting a standby feature to
place the system in standby mode while either of the above conditions is satisfied.
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