Samsung Semiconductor, Inc.
ARTIK 530s Development Kit
21
I/O Expander Board Power Source
Jumpers J20 and J21 are used to select the I/O power source (I
2
C, UART GPIO) or XGPIO of either, 1.8V, 3.3V or 5V.
Table 8
shows how to set the various jumpers to switch between power sources.
N/A
N/A
MICOM_GPIO1
31
32
GND
N/A
N/A
N/A
N/A
GND
33
34
ADD_XUART0_RX
PAL23
AP_UART_RX4
N/A
N/A
NC
35
36
ADD_XUART0_TX
PAK23
AP_UART_TX4
N/A
N/A
NC
37
38
GND
N/A
N/A
N/A
N/A
GND
39
40
XADC0
PY1
AP_ADC0
Table 7. I/O Expander Board J3 Connector
Pin Name
Pin Number
Pin Number
Pin Name
GND
1
2
MICOM_GPIO1
GND
3
4
MICOM_GPIO2
GND
5
6
MICOM_GPIO3
GND
7
8
MICOM_GPIO4
DC5V
9
10
MICOM_GPIO5
11
12
MICOM_GPIO6
VBAT_MAIN
13
14
MICOM_GPIO7
15
16
MICOM_GPIO8
AP_VDDIO
17
18
MICOM_GPIO9
19
20
MICOM_GPIO10
VDD_EXT1P8_ALIVE
21
22
MICOM_GPIO11
23
24
MICOM_GPIO12
VDD_EXT1P8
25
26
MICOM_GPIO13
27
28
MICOM_GPIO14
VDD_EXT3P3_ALIVE
29
30
GND
31
32
GND
VDD_EXT3P3
33
34
GND
35
36
GND
VDD_EXT5P0_1
37
38
GND
39
40
GND
Table 8. Configuration of Power Jumpers J20 and J21
Interface
Power Source
Jumper Placement
I2C, UART, GPIO
DCDC_5V_1
Place Jumper J20 on pins 1 - 2
VDDEXT_33_OFF (default)
Place Jumper J20 on pins 3 - 4
VDDEXT_18_OFF
Place Jumper J20 on pins 5 - 6
XGPIO
DC5V
Place Jumper J21 on pins 1 - 2
VDD_EXT3P3_ALIVE (default)
Place Jumper J21 on pins 3 - 4
VDD_EXT1P8_ALIVE
Place Jumper J21 on pins 5 - 6
Table 6. I/O Expander Board J2 Connector Pinout (Continued)
ARTIK Module
Pin Name
Module
Pin
Number
Pin Name
Pin
Number
Pin
Number
Pin Name
Module
Pin
Number
ARTIK Module
Pin Name
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