LPC47M192 Datasheet, PDF (156/228 Pages) SMSC Corporation – LPC SUPER I/O WITH HARDWARE MONITORING BLOCK

NAME
GP27
Default = 0x01
on VTR POR
GP30
Default = 0x01
on VTR POR
GP31
Default = 0x01
on VTR POR
GP32
Default = 0x01
on VTR POR
Default = 0x00
on VCC POR
and PCI Reset
(Note 3)
REG OFFSET
(hex)
32
(R/W)
33
(R/W)
DESCRIPTION
General Purpose I/0 bit 2.7
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=nIO_SMI (Note 5)
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/0 bit 3.0
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity :=1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=FAN_TACH2
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
34
(R/W)
General Purpose I/0 bit 3.1
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=FAN_TACH1
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
35
(R/W)
General Purpose I/0 bit 3.2
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=FAN2
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
SMSC DS – LPC47M192
Page 156
DATASHEET
Rev. 03/30/05