6-28
FS-1900
6-1-4 Circuit board terminal voltages
(1) Engine board
Connector
Pin#
Signal
I/O
Voltage Function
YC201 A1 GND - - Signal ground
B1 GND - - Signal ground
A2 +5V1 I 5 V DC Power supply for main board
B2 +5V1 I 5 V DC Power supply for main board
A3 +5V1 I 5 V DC Power supply for main board
B3 SIOUT O 3.3 V/0 V DC Serial data output signal
A4 SDIR O 3.3 V/0 V DC Serial line direction signal
B4 SCLKN O
3.3 V/0 V DC (Pulse)
Serial clock signal
A5 EGIR O 3.3 V/0 V DC Engine interrupt request signal
Interrupt/Not Interrupt
B5 SBSY* O 0 V/3.3 V DC
Serial line busy signal, Busy/Not busy
A6
VDFON1
O0 V/3.3 V DC
Forced video data output signal, On/Off
B6 SOIN I 3.3 V/0 V DC Serial data input signal
A7 VSREQ* O 0 V/3.3 V DC
Vertical synchronized request signal Request/Not request
B7
SYSRES
*O 0 V/3.3 V DC
System reset signal, Reset/Not reset
A8 GND - - Signal ground
B8
PDOUT
*O
0 V/3.3 V DC (Pulse) Pin photo diode sensor [board], Laser beam detecting signal
A9 GND - - Signal ground
B9 GND - - Signal ground
A10 GND - - Signal ground
B10 VDO+ I
1.02 to 1.38 V DC
LVDS video data signal (positive)
A11 GND - - Signal ground
B11 VDO- I
1.38 to 1.02 V DC
LVDS video data signal (negative)
A12 FPDIR O 3.3 V/0 V DC
Communication direction signal withLCD controller board
B12 GND - - Signal ground
A13 +3.3V1 O 3.3 V DC Power supply for LCD controller board
B13 FPCLK O
3.3 V/0 V DC (Pulse) Communication data clock signal with LCD controller board
A14 GND - - Signal ground
B14 FPDATA I/O
3.3 V/0 V DC (Pulse) Communication data signal with LCD controller board