112
Boards
© Tibbo Technology Inc.
18
(1,2,3)
GPIO17/P2.1/INT1/
CTS
1
General-purpose I/O line 17 (P2.1);
interrupt line 1.
19
(1,2,3)
GPIO18/P2.2/INT2/
CTS
2
General-purpose I/O line 18 (P2.2);
interrupt line 2.
20
(1,2,3)
GPIO19/P2.3/INT3/
CTS
3
General-purpose I/O line 19 (P2.3);
interrupt line 3.
21
(1,2,3)
GPIO20/P2.4/INT4/
DSR
0
General-purpose I/O line 20 (P2.4);
interrupt line 4.
22
(1,2,3)
GPIO21/P2.5/INT5/
DSR
1
General-purpose I/O line 21 (P2.5);
interrupt line 5.
23
(1,2,3)
GPIO22/P2.6/INT6/
DSR
2
General-purpose I/O line 22 (P2.6);
interrupt line 6.
24
(1,2,3)
GPIO23/P2.7/INT7/
DSR
3
General-purpose I/O line 23 (P2.7);
interrupt line 7.
25
(1,2)
GPIO40/
ADC0
General-purpose I/O line 40 (does not
belong to any 8-bit port);
ADC input 0
.
26
(1,2)
GPIO41/
ADC1
General-purpose I/O line 41 (does not
belong to any 8-bit port);
ADC input 1
.
27
(1,2)
GPIO42/
ADC2
General-purpose I/O line 42 (does not
belong to any 8-bit port);
ADC input 2
.
28
(1,2)
GPIO43/
ADC3
General-purpose I/O line 43 (does not
belong to any 8-bit port);
ADC input 3
.
29
GND
System ground.
30
(1,2)
GPIO44
General-purpose I/O line 44 (does not
belong to any 8-bit port).
31
(1,2)
GPIO25/P3.1
General-purpose I/O line 25 (P3.1).
32
(1,2)
GPIO24/P3.0
General-purpose I/O line 24 (P3.0).
33
(1,2)
GPIO27/P3.3
General-purpose I/O line 27 (P3.3).
34
(1,2)
GPIO26/P3.2
General-purpose I/O line 26 (P3.2).
35
(1,2)
GPIO29/P3.5
General-purpose I/O line 29 (P3.5).
36
(1,2)
GPIO28/P3.4
General-purpose I/O line 28 (P3.4).
37
(1,2)
GPIO31/P3.7
General-purpose I/O line 31 (P3.7).
38
(1,2)
GPIO30/P3.6
General-purpose I/O line 30 (P3.6).
39
(1,2)
GPIO33/P4.1
General-purpose I/O line 33 (P4.1).
40
(1,2)
GPIO32/P4.0
General-purpose I/O line 32 (P4.0).
41
(1,2)
GPIO35/P4.3
General-purpose I/O line 35 (P4.3).
42
(1,2)
GPIO34/P4.2
General-purpose I/O line 34 (P4.2).
43
(1,2)
GPIO37/P4.5
General-purpose I/O line 37 (P4.5).