LPC47S457-NC SMSC [SMSC Corporation], LPC47S457-NC Datasheet - Page 179
![no-image](/images/no-image-200.jpg)
LPC47S457-NC
Manufacturer Part Number
LPC47S457-NC
Description
Advanced I/O with X-Bus Interface
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.LPC47S457-NC.pdf
(259 pages)
- Current page: 179 of 259
- Download datasheet (2Mb)
SMSC LPC47S45x
GP53
Default = 0x00
on VTR POR,
VCC POR and
PCI RESET
(Note 2)
GP54
Default = 0x01
on VTR POR
GP55
Default = 0x01
on VTR POR
GP56
Default = 0x01
on VTR POR
GP57
Default = 0x01
on VTR POR
NAME
REG OFFSET
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(hex)
42
43
44
45
46
DATASHEET
General Purpose I/0 bit 5.3
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[3:2] Alternate Function Select
11=Reserved
10=IRTX (Note 5)
01=TXD2 (Note 5)
00=GPIO
Bits[6:4] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/0 bit 5.4
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1= nDSR2
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/0 bit 5.5
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1= nRTS2
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/0 bit 5.6
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1= nCTS2
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/0 bit 5.7
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1= nDTR2
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
Page 179 of 259
DESCRIPTION
Rev. 06-01-06
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