I/O Expander Port Functions (Te7783) - Eiki LC-WB42N Service Manual

Control Port Functions

I/O Expander Port Functions (TE7783)

PIN No. NAMe FuNctIoN
9 P8 USB_VIN
4 WAKEUP
WAKEUP
6 RST REST
8 XI XI
9 XO XO
4 XSTDBYEN
XSTDBYE
48 P21 MCI_ON
54 P27 USB_VBUS
61 AIN1 P_FAIL_MCI
72 P1 TXD_MCI
7 P2 RXD_MCI
74 P TXD2_MCI
75 P4 RXD2_MCI
81 DMNUS USB_D-
82 DPLUS USB_D+
91 P11 NET_H/L
92 P12 UPDATE
ActIoN
X'TAL IN
X'TAL OUT
H: MCI ON
Fpower Fail SIgnal Input for MCI Circuit
For MCI
For MCI
For MCI
For MCI
-65-
I/o
I
I
I
I
O
O
O
I
O
I
O
I
I/O
I/O
O
O