88
Embedded Modules
© Tibbo Technology Inc.
3
(1,2)
GPIO26
General-purpose I/O line 26 (does not belong to any
8-bit port).
4
(1,2)
GPIO25
General-purpose I/O line 25 (does not belong to any
8-bit port).
5
(1,2)
GPIO24
General-purpose I/O line 24 (does not belong to any
8-bit port).
6
(1,2)
GPIO7/P0.7
General-purpose I/O line 7 (P0.7).
7
(1,2)
GPIO6/P0.6
General-purpose I/O line 6 (P0.6).
8
(1,2)
GPIO5/P0.5
General-purpose I/O line 5 (P0.5).
9
(1,2)
GPIO4/P0.4
General-purpose I/O line 4 (P0.4).
10
(1,2)
GPIO3/P0.3
General-purpose I/O line 3 (P0.3).
11
(1,2)
GPIO2/P0.2
General-purpose I/O line 2 (P0.2).
12
(1,2)
GPIO1/P0.1
General-purpose I/O line 1 (P0.1).
13
(1,2)
GPIO0/P0.0
General-purpose I/O line 0 (P0.0).
14
<No
connection>
This pin
must
be left unconnected.
15
GND
System ground.
16
(1,2)
GPIO30
General-purpose I/O line 30 (does not belong to any
8-bit port).
17
VCC
Positive power input, 3.3V nominal, +/- 5%, max.
current consumption 300mA (100BaseT, PLL on).
18
(1,2)
GPIO29/CO
General-purpose I/O line 29 (does not belong to any
8-bit port);
square wave output line.
19
(1,2)
GPIO31
General-purpose I/O line 31 (does not belong to any
8-bit port).
20
SG
Green status LED control line.
21
RST
Reset line, active high.
22
SR
Red status LED control line.
23
MD
Mode selection pin.
24
(1,2)
GPIO8/P1.0
/RX0
General-purpose I/O line 8 (P1.0);
RX, W1, and din input of the serial port 0.
25
(1,2,3)
GPIO16/P2.0/I
NT0
General-purpose I/O line 16 (P2.0);
interrupt line 0.
26
(1,2)
GPIO9/P1.1/TX
0
General-purpose I/O line 9 (P1.1);
TX, W1, and dout output of the serial port 0.
27
(1,2,3)
GPIO17/P2.1/I
NT1
General-purpose I/O line 17 (P2.1);
interrupt line 1.
28
(1,2)
GPIO10/P1.2/R
X1
General-purpose I/O line 10 (P1.2);
RX, W1, and din input of the serial port 1.
29
(1,2,3)
GPIO18/P2.2/I
NT2
General-purpose I/O line 18 (P2.2);
interrupt line 2.
30
(1)
GPIO11/P1.3/T
X1
General-purpose I/O line 11 (P1.3);