32
Embedded Modules
© Tibbo Technology Inc.
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Power, Reset, PLL Control, and Mode Selection Lines
I/O pin assignment
Pin #
Function
Description
1
(1,2)
GPIO0/P0.0
General-purpose I/O line 0 (P0.0).
2
(1,2)
GPIO1/P0.1
General-purpose I/O line 1 (P0.1).
3
(1,2)
GPIO2/P0.2
General-purpose I/O line 2 (P0.2).
4
(1,2)
GPIO3/P0.3
General-purpose I/O line 3 (P0.3).
5
(1,2)
GPIO4/P0.4
General-purpose I/O line 4 (P0.4).
6
(1,2)
GPIO5/P0.5
General-purpose I/O line 5 (P0.5).
7
(1,2)
GPIO6/P0.6
General-purpose I/O line 6 (P0.6).
8
(1,2)
GPIO7/P0.7
General-purpose I/O line 7 (P0.7).
9
(1,2)
GPIO8/P1.0/RX0
General-purpose I/O line 8 (P1.0);
RX, W1, and din input of the serial port 0.
10
(1,2)
GPIO9/P1.1/TX0
General-purpose I/O line 9 (P1.1);
TX, W1, and dout output of the serial port 0.
11
(1,2)
GPIO10/P1.2/RX
1
General-purpose I/O line 10 (P1.2);
RX, W1, and din input of the serial port 1.
12
(1,2)
GPIO11/P1.3/TX
1
General-purpose I/O line 11 (P1.3);
TX, W1, and dout output of the serial port 1.
13
(1,2)
GPIO12/P1.4/RX
2
General-purpose I/O line 12 (P1.4);
RX, W1, and din input of the serial port 2.
14
(1,2)
GPIO13/P1.5/TX
2
General-purpose I/O line 13 (P1.5);
TX, W1, and dout output of the serial port 2.
15
(1,2)
GPIO14/P1.6/RX
3
General-purpose I/O line 14 (P1.6);
RX, W1, and din input of the serial port 3.
16
(1,2)
GPIO15/P1.7/TX
3
General-purpose I/O line 15 (P1.7);
TX, W1, and dout output of the serial port 3.
17
(1,2,3)
GPIO16/P2.0/IN
T0
General-purpose I/O line 16 (P2.0);
interrupt line 0.
18
(1,2,3)
GPIO17/P2.1/IN
T1
General-purpose I/O line 17 (P2.1);
interrupt line 1.
19
(1,2,3)
GPIO18/P2.2/IN
T2
General-purpose I/O line 18 (P2.2);
interrupt line 2.
20
(1,2,3)
GPIO19/P2.3/IN
T3
General-purpose I/O line 19 (P2.3);
interrupt line 3.
21
(1,2,3)
GPIO20/P2.4/IN
T4
General-purpose I/O line 20 (P2.4);