REG OFFSET
(hex)
NAME
DESCRIPTION
General Purpose I/0 bit 1.0
GP10
23
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=XD0
Default = 0x04
on VTR POR
(R/W)
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
GP11
24
General Purpose I/0 bit 1.1
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=XD1
Default = 0x04
on VTR POR
(R/W)
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
GP12
25
General Purpose I/0 bit 1.2
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity :=1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=XD2
Default = 0x04
on VTR POR
(R/W)
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
GP13
26
General Purpose I/0 bit 1.3
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=XD3
Default = 0x04
on VTR POR
(R/W)
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
GP14
27
General Purpose I/0 bit 1.4
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=XD4
Default = 0x04
on VTR POR
(R/W)
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
SMSC LPC47S45x
Page 172 of 259
Rev. 06-01-06
DATASHEET
SMSC [ SMSC CORPORATION ]
