SCH3112I-NE SMSC [SMSC Corporation], SCH3112I-NE Datasheet - Page 339

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

LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
Datasheet
SMSC SCH311X
GP55
Default = 0x01
on VTR POR
GP56
Default = 0x01
on VTR POR
GP57
Default = 0x01
on VTR POR
GP60
Default = 0x01
on VTR POR
GP61
Default = 0x01
on VTR POR
NAME
Table 26.3 Detailed Runtime Register Description (continued)
44
(R/W)
45
(R/W)
46
(R/W)
47
(R/W)
48
(R/W)
OFFSET
(HEX)
REG
General Purpose I/O bit 5.5
Bit[0] In/Out :
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=nRTS2
0=GPIO
Bit[3] RESERVED
Bits[6:4] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/O bit 5.6
Bit[0] In/Out :
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=nCTS2
0=GPIO
Bit[3] RESERVED
Bits[6:4] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/O bit 5.7
Bit[0] In/Out :
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=nDTR2
0=GPIO
Bit[3] RESERVED
Bits[6:4] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/O bit 6.0
Bit[0] In/Out :
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[3:2] Alternate Function Select
11=WDT
10=Either Edge Triggered Interrupt Input 4
01=LED1
00=GPIO
Bits[6:4] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/O bit 6.1
Bit[0] In/Out :
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[3:2] Alternate Function Select
11=CLKO - Programmable clock output as described in
10=Either Edge Triggered Interrupt Input 5
01=LED2
00=GPIO
Bits[6:4] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
DATASHEET
=1 Input, =0 Output
=1 Input, =0 Output
=1 Input, =0 Output
=1 Input, =0 Output
=1 Input, =0 Output
323
DESCRIPTION
(Note
(Note
26.20)
26.20)
Rev 0.2 (09-28-04)