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マザーボード Artila M-508のPDF クイック・インストール・マニュアルをオンラインで閲覧またはダウンロードできます。Artila M-508 7 ページ。
ページを印刷するGeneral Purpose IO (GPIO)
GPIO signals are housed in a 20-pin box connector, GPIO1 and
GPIO2. Each of the connector includes 16 channels of GPIO. The
pin definition is as shown following:
GPIO1
20
19
+3.3V
+3.3V
+5V
18
17
GND
GND
GND
16
15
DI15
DI31
DI14
14
13
DI13
DI12
DI29
12
11
DI11
DI10
DI27
10
9
DI9
DI25
DI8
8
7
DI7
DI23
DI6
6
5
DI5
DI21
DI4
4
3
DI3
DI19
DI2
2
1
DI1
DI0
DI17
The signal level of GPIO is CMOS level and pitch of the pin header
is 2.54 mm. Each of the DIO pin can be programmed as digital input
or digital output.
CN1 JTAG Header
JTAG header is located near power connector and it is a 2x4 2.0 mm
pin header and the pin definition is shown as follow:
JTAG
2 4 6 8
1 3 5 7
Definition
COM2 TTL Header
COM2 TTL is a CMOS/TTL signal pin connector and it is
connected to UART of port 2 and its definition is as shown
below
GPIO2
20
19
+5V
18
17
GND
16
15
DI30
14
13
DI28
This connector allows user to design an internal Modem to work
12
11
DI26
with M-508.
10
9
DI24
8
7
DI22
JP2 Boot manager selection
6
5
DI20
JP2 is boot selection jumper near CN1. Set to position 2-3
4
3
always. Change the setting will cause incorrectly boot up.
DI18
2
1
DI16
USB Client connector (J3)
USB client port is reserved for future enhancement. This
function is disabled by software.
Pin definition is as follow:
1. Data +
2. Data -
3. Host_detect
4. GND
RS-485 terminator jumper (J5,J7,J8,J9)
Short the jumper will enable the 120 ohm terminator as shown
below
GND
6
+5VDC
5
RTS
4
TXD
3
2
CTS
RXD
1
3 2
1
1 2 3 4