I/O Expander Port Functions (Ic1801); Iic Bus Da Converter Port Functions (Ic3571) - Sanyo PLC-XE45 Service Manual

Control Port Functions

I/O Expander Port Functions (IC1801)

PIN NO .
NAME FUNCTION
8 P7 S_SW
20 XCS CS0
21 XRD RD
22 XWR WR
34 WAKEUP WAKEUP
36 RST RESET
38 XI XTAL IN
39 XO XTAL OUT
48 P21 DDC_SW2
49 P22 READY_LED
50 P23 S/CV_SW
51 P24 SC_SW
52 P25 RESET_N
53 P26
54 P27 USB_VBUS
61 AIN1 Option Switch
62 AIN2 Option Switch
63 AIN3 Option Switch
64 AIN4 Option Switch
65 AIN5 Option Switch
66 AIN6 Option Switch
67 AIN7 Option Switch
68 AIN8 Option Switch
76 P35 DDC_SW1
77 P36 DDC_SW2
79 P39 I/O_R/C
81 DMINUS USB_D-
82 DPLUS ISB_D+
91 P11 SCLK
92 P12 SDT
98 P16 PC1/PC2_SW
99 P17 LAMPREP_LED
100 P18 WARNING_LED

IIC Bus DA Converter Port Functions (IC3571)

PIN NO .
NAME FUNCTION
1 Ao1 FAN_CON_A
2 Ao2 FAN_CON_B
3 Ao3 Not used
4 Ao4 Not used
5 GND GND
6 SDA SDA
7 SCL SCL
8 VCC VCC
ACTION
Scart switch H: Scart
L - H: Reset
n/a
Ready LED Drive H: On
S-Video/Video Switch H: Composite Video-in
SCART In Switch H: Scart In
n/a
L: PC1, H: PC2
LAMP REPLACE LDE Drive H: On
WARNING LED Drive H: On
ACTION
Fan Control Voltage Output
Fan COntrol Voltage Output
GND
IIC bus Data
IIC bus Clock
Vcc
-49-
I/O
O
I
I
I
I
I
I
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
O
O
I
I
I
I
I/O
O
O
O
I/O
O
O
I
I
I