REG OFFSET
(hex)
NAME
DESCRIPTION
General Purpose I/0 bit 3.5
GP35
38
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)
Default = 0x04
(R/W)
on VTR POR, VCC
POR and Hard
Reset
0=GPIO
Bits[6:3] Reserved
(Note 3)
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
GP36
39
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
Default = 0x01
on VTR POR
(R/W)
0=Basic GPIO function
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
GP37
3A
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
Default = 0x01
on VTR POR
(R/W)
0=Basic GPIO function
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
GP40
3B
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
Default =0x01
on VTR POR
(R/W)
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
GP41
3C
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
Default =0x01
on VTR POR
(R/W)
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
SMSC DS – LPC47M14X
Page 142
Rev. 03/19/2001
SMSC [ SMSC CORPORATION ]
