REG OFFSET
NAME
(hex)
45
DESCRIPTION
General Purpose I/0 bit 5.6
GP56
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[3:2] Alternate Function Select
11=Reserved
Default = 0x01
on VTR POR
(R/W)
10=Reserved
01=nCTS2
00=GPIO
Bits[6:4] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
GP57
46
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
Default = 0x01
on VTR POR
(R/W)
10=Reserved
01=nDTR2
00=GPIO
Bits[6:4] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
GP60
47
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
Default = 0x01
on VTR POR
(R/W)
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
GP61
48
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
Default = 0x01
on VTR POR
(R/W)
10=Either Edge Triggered Interrupt Input 5 (Note 1), (Eng.
Note 3)
01=LED2
00=GPIO
Bits[6:4] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
N/A
N/A
49
(R)
4A
(R)
Reserved – reads return 0
Reserved – reads return 0
Page 137
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