LPC47S457-NC SMSC [SMSC Corporation], LPC47S457-NC Datasheet - Page 180
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: 180 of 259
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SMSC LPC47S45x
GP60
Default = 0x01
on VTR POR
GP61
Default = 0x04
on VTR POR
(Note 6)
GP62
Default = 0x01
on VTR POR
GP8
Default = 0xF0
on VTR POR
Bits[7:0] may be
individually reset on
VCC Reset, PCI
Reset, and VTR
POR if enabled in
Logical Device A at
offset 0xF6
NAME
REG OFFSET
(R/W)
(R/W)
(R/W)
(R/W)
(hex)
4A
47
48
49
DATASHEET
General Purpose I/0 bit 6.0
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=Either Edge Triggered Interrupt Input 4 (Note 1)
01=LED1
00=GPIO
Bits[6:4] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/0 bit 6.1
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=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
General Purpose I/0 bit 6.1
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Alternate Function Select
1=IRQINC (IRQ Input C)
0=GPIO
Bits[6:3] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/0 Data Register 8
Bit[0] GP80
Bit[1] GP81
Bit[2] GP82
Bit[3] GP83
Bit[4] GP84
Bit[5] GP85
Bit[6] GP86
Bit[7] GP87
Note: Pins GP80 to GP87 default to outputs on VTR POR. See
Table 94.
Page 180 of 259
DESCRIPTION
Rev. 06-01-06
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