W81282F Datasheet, PDF (9/18 Pages) Winbond – USB Keyboard Controller with 4 Ports Hub

W81282F
PRELIMINARY
59
XRD# (P37)
IOUD2 ^{Port 3.7.This pin is dedicated for internal use.}
U
60
OVRI2#
IUD2T ^{Downstream port2 over-current status input. Active low.}
-
61
XWR# (P36)
IOUD2 ^{Port 3.6.This pin is dedicated for internal use.}
U
62
P35
IOUD2 ^{Port 3.5 and reverse for input or output application.}
U
63
UPWEN2#
O2
Downstream port2 power control. Active low.
-
64
SO20 (P34)
IOUD2 ^{Port 3.4 and function of Scan Out line 20.}
U
65
SO19
O2
This pin is function of Scan Out line 19.
-
66,67
GND
Power0 ^{Digital ground.}
-
68
N.C.
IOUD2 ^{No connection. This pin should be floated.}
U
69
SO08 (P20)
IOUD2 ^{Port 2.0 and function of Scan Out line 8.}
U
70
OVRI1#
IUD2T ^{Downstream port1 over-current status input. Active low.}
-
71
SO09 (P21)
IOUD2 ^{Port 2.1 and function of Scan Out line 9.}
U
72
UPWEN1#
O2
Downstream port1 power control. Active low.
-
73
SO10 (P22)
IOUD2 ^{Port 2.2 and function of Scan Out line 10.}
U
74
FWKP5#
IUD2 ^{Embedded function wake-up input.}
D
Can be used for Wake-up hot key.
75
SO11 (P23)
IOUD2 ^{Port 2.3 and function of Scan Out line 11.}
U
76
EECLK/IDSEL0
IOUD2 ^{This pin is Port 3.0 and function of serial clock line interfacing}
U
with external EEPROM. If no serial EEPROM present, this
(P30)
pin is used to scan ID selection and named IDSEL0.
77
SO12 (P24)
IOUD2 ^{Port 2.4 and function of Scan Out line 12.}
U
78
SO13 (P25)
IOUD2 ^{Port 2.5 and function of Scan Out line 13.}
U
79,80
GND3V
Power0 ^{Ground of port3 and port4 transceivers.}
-
81
DP4
AIO
USB D+ for downstream port4.
-
82
DM4
AIO
USB D- for downstream port4.
-
83,84
N.C.
-
No connection.
85
DP3
AIO
USB D+ for downstream port3.
-
86
DM3
AIO
USB D- for downstream port3.
-
87
N.C.
-
No connection.
88,89
GND3V
Power0 ^{Ground of port1 and port2 transceivers.}
-
90
DP2
AIO
USB D+ for downstream port2.
-
91
DM2
AIO
USB D- for downstream port2.
-
Publication Release Date: Aug. 1999
-6-
Revision 0.5