LPC47M140-NC SMSC [SMSC Corporation], LPC47M140-NC Datasheet - Page 142

• Manufacturer Part Number: LPC47M140-NC
• Description: 128 PIN ENGANCED SUPER I/O CONTROLLER WITH AN LPC INTERFACE AND USB HUB
• Manufacturer: SMSC [SMSC Corporation]

SMSC DS – LPC47M14X
GP35
Default = 0x04
on VTR POR, VCC
POR and Hard
Reset
(Note 3)
GP36
Default = 0x01
on VTR POR
GP37
Default = 0x01
on VTR POR
GP40
Default =0x01
on VTR POR
GP41
Default =0x01
on VTR POR
NAME
REG OFFSET
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(hex)
3C
3A
3B
38
39
General Purpose I/0 bit 3.5
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=IRTX2 (Note 2)
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/0 bit 3.6
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1= nKBDRST
0=Basic GPIO function
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/0 bit 3.7
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=A20M
0=Basic GPIO function
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/0 bit 4.0
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=DRVDEN0 (Note 4)
0=Basic GPIO function
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/0 bit 4.1
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[3:2] Alternate Function Select
11=Reserved
10=Either Edge Triggered Interrupt Input 2 (Note 1)
01=DRVDEN1 (Note 4)
00=Basic GPIO function
Bits[6:4] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
Page 142
DESCRIPTION
Rev. 03/19/2001