SCH3112I-NE SMSC [SMSC Corporation], SCH3112I-NE Datasheet - Page 338

• Manufacturer Part Number: SCH3112I-NE
• Description: LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
• Manufacturer: SMSC [SMSC Corporation]

Rev 0.2 (09-28-04)
GP50
Default = 0x01
on VTR POR
GP51
Default = 0x01
on VTR POR
GP52
Default = 0x01
on VTR POR
GP53
Default = 0x01
on VTR POR
GP54
Default = 0x01
on VTR POR
NAME
Table 26.3 Detailed Runtime Register Description (continued)
3F
(R/W)
40
(R/W)
41
(R/W)
42
(R/W)
43
(R/W)
OFFSET
(HEX)
REG
General Purpose I/O bit 5.0
Bit[0] In/Out :
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=nRI2
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/O bit 5.1
Bit[0] In/Out :
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=nDCD2
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/O bit 5.2
Bit[0] In/Out :
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=RXD2
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/O bit 5.3
Bit[0] In/Out :
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=TXD2
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/O bit 5.4
Bit[0] In/Out :
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=nDSR2
0=GPIO
Bit[3] RESERVED
Bits[6:4] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
(Note
DATASHEET
LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
26.18)
=1 Input, =0 Output
=1 Input, =0 Output
=1 Input, =0 Output
=1 Input, =0 Output
=1 Input, =0 Output
322
DESCRIPTION
SMSC SCH311X
Datasheet