EverMore Technology Inc.
2F, No.7, R&D Road 1, Science-Based Industrial Park, Hsinchu, Taiwan, 300, R.O.C.
http://www.emt.com.tw
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2.7. PIO Connector Pin Assignment
-
PIO 2, 3, 4, 5, 20, 21, 24, 25 and 30 are available on the standard version.
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INT3 and INT4 (shared with PIO 30) are available for setting up as interrupt sources.
Available PIO vs. Pin #
PIO
2
3
4
5
20
21
24
25 30 / INT 4 INT 3
Pin #
9 11 13 15 10 12 14 16 22 20
-
To configure those PIOs, please see API file, usrif.h, for detail.
-
To setup interrupt service routine for INT3 or INT4, there are some macros having been
defined in API file, usrif.h, for control those interrupts.
-
The following table shows all of the signals on the PIO header.
PIN Name
Available
for
user control
1
AU44
-
2
AU45
-
3
DVCC
-
4
Ground
-
5
T1In
-
6
CTS1
-
7
T1Out
-
8
RTS1
-
9
PIO 2
Yes
10
PIO 20
Yes
11
PIO 3
Yes
12
PIO 21
Yes
13
PIO 4
Yes
14
PIO 24
Yes
15
PIO 5
Yes
16
PIO 25
Yes
17 T0Out
-
18 1
PPS
-
19 DRQ
0
-
20
INT 3
Yes
21 DRQ
1
-
22
INT 4 / PIO 30
Yes
