HBD-E2100/E3100/E3200/E4100/E6100
64
• IC Pin Function Descriptions
MB1002 BOARD (1/6), (3/6), (4/6) IC101 CXD90019R-BA (BD DECODER)
Pin No. Pin Name I/O Description
P1 TRINB I Input of Tracking Signal (B)
P2 TRINA I Input of Tracking Signal (A)
P3 HAVC O Decoupling Pin for Reference Voltage of Main and Sub Beams
P4 AVDD33_1 - 3.3 V Power Pin
P5 INB I Input of Main Beam Signal (B)
P6 INA I Input of Main Beam Signal (A)
P7 IND I Input of Main Beam Signal (D)
P8 INC I Input of Main Beam Signal (C)
P9 ING I Input of Main Beam Signal (G)
P10 INH I Input of Main Beam Signal (H)
P11 INF I Input of Main Beam Signal (F)
P12 INE I Input of Main Beam Signal (E)
P13 V14 O Output of Voltage Reference (1.4 V)
P14 AUX1 I/O
Auxiliary Input
Alternative function: Signal Monitoring
P15 MPXOUT1 O
Multiplexer Output 1 for Signal Monitoring. The pin is not allowed to pull-up in circuit layout.
Alternative function: Internal monitored signal output / General output.
P16 MPXOUT2 O
Multiplexer Output 2 for Signal Monitoring. The pin is not allowed to pull-up in circuit layout.
Alternative function: Internal monitored signal output / General output.
P17 MPXOUT3 O
Multiplexer Output 3 for Signal Monitoring. The pin is not allowed to pull-up in circuit layout.
Alternative function: Internal monitored signal output / General output.
P18 RFIP I Differential Input of AC Coupling RF SUM Signal (Positive)
P19 RFIN I Differential Input of AC Coupling RF SUM Signal (Negative)
P20 RFIP2 I Differential Input of AC Coupling RF SUM Signal (Positive)
P21 RFIN2 I Differential Input of AC Coupling RF SUM Signal (Negative)
P22 AVDD12_2 - 1.2 V Power Pin
P23 AVDD33_3 - 3.3 V Power Pin
P24 FOO O Focus servo output. PDM output of focus servo compensator.
P25 TRO O Tracking servo output. PDM output of tracking servo compensator.
P26 TLO O Tilt servo output
P27 DVCC12_K_1 - 1.2V Digital Power
P28 FEOSCEN I/O
High frequency modulation enable signal output, or LDD serial interface CLK or I2C SCL.
The pin is spike-free at power-on stage.
P29 FEGAINSW3 O Read gain switch 3.
P30 FECFREQ I/O
Frequency selection signal output, or LDD serial interface data or I2C SDA.
The pin is spike-free at power-on stage.
P31 FECMOD I/O
High frequency modulation mode selection signal output, or LDD serial interface command
enable.
The pin is spike-free at power-on stage.
P32 FEGAINSW1 O Read gain switch 1.
P33 FEGAINSW2 O Read gain switch 2.
P34 FEFMO I/O
Feed motor 4 control. DAC output.
Alternative function: Auxiliary servo input
P35 FEFMO2 O Feed motor 2 control. DAC output.
P36 DVCC33_IO_1 - 3.3V Digital IO Power
P37 FEFMO3 I/O
Feed motor 3 control. DAC output.
Alternative function: Auxiliary servo input
P38 FEFMO4 I/O
Feed motor 4 control. DAC output.
Alternative function: Auxiliary servo input
P39 FETRAYPWM O Tray DAC / PWM control input. Controlled by uP.
P40 FEDMO O Disk motor control output. DAC output.
P41 FEFG I Motor Hall sensor input.
P42 DVCC12_K_2 - 1.2V Digital Power
Ver. 1.5