LPC47B27X Datasheet, PDF (145/196 Pages) SMSC Corporation – 100 PIN ENHANCED SUPER I/O CONTROLLER WITH LPC INTERFACE

NAME
GP55
Default = 0x01
on VTR POR
GP56
Default = 0x01
on VTR POR
GP57
Default = 0x01
on VTR POR
GP60
Default = 0x01
on VTR POR
REG OFFSET
(hex)
44
(R/W)
45
(R/W)
46
(R/W)
47
(R/W)
DESCRIPTION
General Purpose I/0 bit 5.5
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=IRQ10
01=nRTS2
00=GPIO
Bits[6:4] 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[3:2] Alternate Function Select
11=Reserved
10=IRQ11
01=nCTS2
00=GPIO
Bits[6:4] 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[3:2] Alternate Function Select
11=Reserved
10=IRQ15
01=nDTR2
00=GPIO
Bits[6:4] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
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
SMSC LPC47B27x
- 145 -
DATASHEET
Rev. 08-10-04