Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
Table 9.2 – GPIO Runtime Registers Description, LD_NUM = 0
REG OFFSET
(Type)
NAME
DESCRIPTION
0x00
GP10
General Purpose I/O bit 1.0
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bits[6:2] Reserved
(R/W)
Default = 0x01
on VTR POR
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
0x01
GP11
General Purpose I/O bit 1.1
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bits[6:2] Reserved
Bit[7] Output Type Select
1=Open Drain
(R/W)
Default = 0x01
on VTR POR
0=Push Pull
0x02
GP12
General Purpose I/O bit 1.2
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bits[6:2] Reserved
Bit[7] Output Type Select
1=Open Drain
(R/W)
Default = 0x01
on VTR POR
0=Push Pull
0x03
GP13
General Purpose I/O bit 1.3
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bits[6:2] Reserved
Bit[7] Output Type Select
1=Open Drain
(R/W)
Default = 0x01
on VTR POR
0=Push Pull
0x04
GP14
General Purpose I/O bit 1.4
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bits[6:2] Reserved
Bit[7] Output Type Select
1=Open Drain
(R/W)
Default = 0x01
on VTR POR
0=Push Pull
0x05
GP15
General Purpose I/O bit 1.5
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bits[6:2] Reserved
Bit[7] Output Type Select
1=Open Drain
(R/W)
Default = 0x01
on VTR POR
0=Push Pull
0x06
GP16
General Purpose I/O bit 1.6
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=FAN_TACH1
(R/W)
Default = 0x01
on VTR POR
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
Revision 1.8 SMSC/Non-SMSC Register Sets (02-24-05)
162
SMSC LPC47M182
DATASHEET