LPC47M182 SMSC Corporation, LPC47M182 Datasheet - Page 163

• Manufacturer Part Number: LPC47M182
• Description: ADVANCED I/O CONTROLLER WITH MOTHERBOARD GLUE LOGIC
• Manufacturer: SMSC Corporation

Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
SMSC LPC47M182
GP17
Default = 0x01
on VTR POR
GP20
Default = 0x04
on VTR POR
Note 1
GP21
Default = 0x04
on VTR POR
Note 1
GP22
Default = 0x04
on VTR POR
Note 1
GP23
Default = 0x04
on VTR POR
Note 1
NAME
REG OFFSET
(Type)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
0x0A
0x0B
0x07
0x08
0x09
DATASHEET
General Purpose I/0 bit 1.7
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
General Purpose I/0 bit 2.0
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1= DDCSDA_5V
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/O bit 2.1
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bits[3:2] Alternate Function Select
11=Reserved
10=Either Edge Triggered Input 0 (Note 2)
01= DDCSCL_5V
00=GPIO
Bits[6:4] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/O bit 2.2
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bits[3:2] Alternate Function Select
11=Reserved
10=Either Edge Triggered Input 0 (Note 2)
01= DDCSDA_3V
00=GPIO
Bits[6:4] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/O bit 2.3
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=DDCSCL_3V
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
163
Revision 1.8 SMSC/Non-SMSC Register Sets (02-24-05)
DESCRIPTION