-64-
I/O Expander Port Functions (TE7783)
PIN NO. NAME FUNCTION ACTION I/O
3 P2 ON_150V 15V Drive on/off On:H O
4 P3 ON_50V 5V Drive on/off On:H O
5 P4 ON_33V 3.35V Drive on/off On:H O
6 P5 SW_PNL_REF O
34
WAKEUP
WAKEUP I
36 RST REST I
38 XI XI X'TAL IN I
39 XO XO X'TAL OUT O
43
XSTDBYE
XSTDBYEN O
48 P21 MCI_ON H: MCI ON O
50 P23 POWER_ON_MCI H: MCI ON O
54 P27 USB_VBUS
55 P28 USB_D+ I/O
61 AIN1 P_FAIL_MCI Fpower Fail SIgnal Input for MCI Circuit I
72 P31 TXD_MCI For MCI O
73 P32 RXD_MCI For MCI I
74 P33 TXD2_MCI For MCI I
75 P34 RXD2_MCI For MCI O
76 P35 TEMP_LED Temp Driver On:H O
81 DMNUS USD_D- I/O
91 P11 W_R/C_SW L: Wired R/C I
99 P17 DDC_SW4 Switch for DDC IC O
Control Port Functions