-86-
IIC Bus D/A Converter (M62393FP Fan Control, IC7801)
Control Port Functions
Pin No. Function Name Function Pol.
Action
Stand-by Power On
1 Reset Input I
→
2 IIC BUS SCL I
→
3 IIC BUS SDA I/O
→
4 FAN_CONT1 FAN_FN901 Control Voltage (Panel Cooling Fan) AO
→
0:FAN Max ~ 255:FAN Min
5 FAN_CONT2 FAN_FN902 Control Voltage (Panel Cooling Fan) AO
→
0:FAN Max ~ 255:FAN Min
6 FAN DRIVE B FAN_FN903 Drive AO
→
255:ON 0:OFF
7 FAN_CONT4 FAN_FN908 Control Voltage (PBS Cooling Fan) AO
→
(Open)
8 DAC Lower Ref. Voltage -
→
9 DAC Upper Ref. Voltage(CH5~CH8) -
→
10 GND -
→
11 DAC Upper Ref. Voltage (CH1~CH4) -
→
12 FAN_CONT3 FAN_FN904 Control Voltage (Lamp Cooling Fan) AO
→
0:FAN Max ~ 255:FAN Min
13 FAN_CONT7
FAN_FN905&FN906 Control Voltage (Set Exhaust
Fans small)
AO
→
0:FAN Max ~ 255:FAN Min
14 FAN_CONT6 FAN_FN908 Control Voltage (Set Exhaust Fan Big) AO
→
0:FAN Max ~ 255:FAN Min
15 FAN_CONT5 FAN_FN907 Control Voltage (Power Cooling Fan) AO
→
0:FAN Max ~ 255:FAN Min
16 Power for Output Buffer (4.5V ~ 5.5V) -
→
17 Power Supply +5V±10% -
→
18 Slave Address Setting Pin2 (Vdd) I
→
H
19 Slave Address Setting Pin1 (GND) I
→
H
20 Slave Address Setting Pin0 (GND) I
→
H
PIN PORT SIGNAL FUNCTION I/O NOTE
3 A3 PW_SCL0 IIC Bus SCL I/O
8 A8 CG_CLK Clock Signal Input I
62 B3 PW_SDA0 IIC Bus SDA I/O
67 B8 CG_HSYNC H Sync Signal Input I
59 C1 PF_3.3V_DVI Power Fail Detection for 3.3V_DVI I
112 C2 PF_3.3V_AD 3.3V_AD I
118 C8 CG_VSYNC V Sync SIgnal Input I
114 C4 SW_PF3.3 3.3VPF Drive O
58 D1 PF_1.8V_AD 1.8V_AD I
156 D3 PF_3.3V_KS 3.3V_KS I
157 D4 PF_2.5V_KS 2.5V_KS I
125 D14 HV_SW HV Switch O
57 E1 PF_1.8V_KS 1.8V_KS I
56 F1 PF_3.3V_PIC 3.3V_PIC I
191 F4 PF_2.5V_PIC 2.5V_PIC I
55 G1 PF_1.2V_PIC 1.2.V_PIC I
152 H3 PF_3.3V_GAM 3.3V_GAM I
151 J3 PF_2.5V_GAM 2.5V_GAM I
251 J7 PF_1.8V_GAM 1.8V_GAM I
204 J12 IN0VS V Sync Output O
171 J13 IN0HS H Sync Output O
52 K1 PF_3.3V_SH 3.3V_SH I
150 K3 PF_15.5V_GAM 15.5V_GAM I
216 K5 PF_5V_PJ PJNET_5V I
237 K6 PF_9V_LNS 9V_LNS I
131 K14 IN0CLK Clock Output O
215 L5 PF_15V_LNS 15V_LNS I
236 L6 PF_6V_MAIN S6V I
235 L7 PF_3.3V_MAIN S3.3V I
234 L8 PF_12V_FILTER 12V I
233 L9 PF_S5V_AV S5V_AV I
232 L10 PF_S-6V_AV -6V I
185 M4 PF_25V_4LCD 25V I
212 M7 PF_FN904 FN904 POWER & LOCK I
211 M8 PF_FN902 FN902 POWER & LOCK I
147 N3 PF_FN901 FN901 POWER & LOCK I
183 N5 PF_FN908 FN908POWER & LOCK I
227 G11 PF_FN905&FN906 FN905,FN906 POWER & LOCK I
201 F12 PF_FN903 FN903 POWER & LOCK I
226 F11 PF_FN907 FN907 POWER & LOCK I
202 G12 PF_9V_AUDIO 9V AUDIO I
FPGA (XC3S50A, IC5201)