LPC47N237-MD SMSC [SMSC Corporation], LPC47N237-MD Datasheet - Page 115

• Manufacturer Part Number: LPC47N237-MD
• Description: 3.3V I/O CONTROLLER FOR PORT REPLICATORS AND DOCKING STATIONS
• Manufacturer: SMSC [SMSC Corporation]

3.3v I/O Controller for Port Replicators and Docking Stations
SMSC DS – LPC47N237
NAME/DEFAULT
GPOT3
Default = 0x00
on VTR POR
GPOT4
Default = 0x00
on VTR POR
GP1
Default = 0x00
on VTR POR
GP2
Default = 0x00
on VTR POR
OFFSET (TYPE)
REGISTER
(R/W)
(R/W)
(R/W)
(R/W)
0x16
0x17
0x18
0x19
DATASHEET
GPIO Output Type 3
0 = Push-Pull
1 = Open-Drain
Bit[0] GP30
Bit[1] GP31
Bit[2] GP32
Bit[3] GP33
Bit[4] GP34
Bit[5] GP35
Bit[6] GP36
Bit[7] GP37
GPIO Output Type 4
0 = Push-Pull
1 = Open-Drain
Bit[0] GP50
Bit[1] GP51
Bit[2] GP52
Bit[3] GP53
Bit[4] GP54
Bit[5] GP55
Bit[6] GP56
Bit[7] GP57
GPIO Data Register 1
Reflects the state of the GPx pin if the GPIO is configured as
input. Controls the state of the GPx pin if the GPIO is configured
as output.
Bit[0] GP10
Bit[1] GP11
Bit[2] GP12
Bit[3] GP13
Bit[4] GP14
Bit[5] GP15
Bit[6] GP16
Bit[7] GP17
GPIO Data Register 2
Reflects the state of the GPx pin if the GPIO is configured as
input. Controls the state of the GPx pin if the GPIO is configured
as output.
Bit[0] GP20
Bit[1] GP21
Bit[2] GP22
Bit[3] GP23
Bit[4] GP24
Bit[5] GP25
Bit[6] GP26
Bit[7] GP27
Page 115
DESCRIPTION
Revision 0.3 (10-26-04)