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Installing the Evaluation Daughtercard
Silex
Page 15
Part Number 140-00192-100
As discussed in the previous section, GPIOs 3 through 8 are set by default for special functions such as
modem controls. To use GPIOs 3 through 8 as normal GPIOs, you must place a jumper between JP7
and JP8 for the specific GPIO as described in the previous section. GPIO 2 can also have a special
function if SPI mode is selected for the LCD display via header JP12 as described in the LCD Interface
section later in this chapter.
Table 10 General Purpose I/O Signal Descriptions
Silex
S3C2412
I/O
Special Function
GPIO_0
GPF 0
O
GPIO_1
GPF 1
O
GPIO_2
GPF 2
O
Special function SPI_CS- for LCD display
GPIO_3
GPF 3
O
Special function TEMP_CS SPI temperature sensor enable
GPIO_4
GPF 4
O
Special function, nDTR0
GPIO_5
GPF 5
I
Special function, nDSR0
GPIO_6
GPF 6
I
Special function, nDCD0
GPIO_7
GPF 7
O
Special function, nLED_3; wired link
GPIO_8
GPG 5
O
Special function, nLED_2; wireless link
GPIO_9
GPG 6
O
nLED_1; power on/status*
GPIO_10
GPG 7
I
Switch Input; 1 = off, 0 = switch depressed*
*The functionality of GPIO_9 and GPIO_10 cannot be changed by the user.
LEDs and General Purpose I/O Signals
The LEDs are connected to the 10 GPIOs for easy viewing of signal activity. The first 7 GPIOs drive the
first 7 LEDs, D1 to D7 (these LEDs indicate the status of the GPIOs). GPIOs 7 to 9 drive LEDs D8 to
D10. Logic 0 and 0 volts on GPIO_x illuminates the LED.
Table 11 LED and GPIO Descriptions
GPIO
LED
GPIO_0
D1
GPIO_1
D2
GPIO_2
D3
GPIO_3
D4
GPIO_4
D5
GPIO_5
D6
GPIO_6
D7
GPIO_7
D10 green LED
GPIO_8
D9 yellow LED
GPIO_9
D8 orange LED
GPIO_10
N/A
- Developer’s Reference Guide 1
- Contents 3
- Page ii 4
- Figures 5
- Page iv 6
- About This Reference Guide 7
- Page 2 8
- Chapter 1: Introduction 9
- Introduction 10
- Part Number 140-00192-100 10
- Chapter 2 11
- Page 6 12
- Page 7 13
- Installing the SX-560 Module 14
- Monitoring Module Status 15
- OEM Interface 15
- Electrical Characteristics 16
- Power Management 17
- Serial Ports 17
- RS-232 Cable 18
- Page 13 19
- 26-Pin I/O Header 20
- Page 15 21
- Ethernet Port 22
- Serial Peripheral Interface 22
- LCD Interface 23
- Page 18 24
- Chapter 3 25
- Configuring the SX-560 25
- Initial Wireless Setup 26
- Configuration Methods 26
- Page 21 27
- Connection) 28
- Page 24 30
- Using the SX-560 30
- 140-00192-100 30
- Page 25 31
- Page 26 32
- Page 28 34
- Page 30 36
- Chapter 4 37
- Power Configuration 38
- Serial Port Emulator 38
- Raw TCP connection 39
- ECable Mode 40
- Print Server Mode 41
- Console Mode Switching 41
- AT Commands 42
- Chapter 5 43
- Page 38 44
- Interfacing the SX-560 44
- Page 39 45
- SX-560 Power Requirements 47
- Installing the SX-560 48
- Antenna Connectors 48
- Retaining Bracket (Optional) 49
- Page 44 50
- Chapter 6 51
- Advanced Configuration 51
- Modifying TCP/IP Settings 52
- Page 47 53
- Page 48 54
- Advanced Configuration 54
- Configuring SNMP 55
- Page 50 56
- Page 51 57
- Page 53 59
- Page 54 60
- Page 55 61
- Page 56 62
- Page 57 63
- Page 58 64
- Page 59 65
- ------ 67
- Using AT Modem Commands 68
- Page 63 69
- Page 64 70
- Response Codes 71
- Page 66 72
- Chapter 7 73
- Product Specifications 73
- TCP Port Connections 74
- Appendix A 75
- Page 70 76
- Page 71 77
- Page 72 78
- Console Commands 79
- Appendix B 79
- Page 74 80
- Page 75 81
- Page 76 82
- Page 77 83
- Port Commands 84
- Server Information Commands 85
- Page 80 86
- Service Commands 87
- Page 82 88
- SNMP Commands 89
- String Commands 90
- TCP/IP Commands 91
- Page 86 92
- Page 87 93
- Page 88 94
- Power Configuration Commands 95
- Miscellaneous Commands 96
- Help Commands 96
- Appendix C 97
- Page 92 98
- Page 93 99
- Part Number 40183-101 99
- Page 94 100
- Engineering Drawings 100
- Appendix D 101
- Firmware Update Procedures 101
- Page 96 102
- Appendix E 103
- Page 98 104
- SVL USB Firmware 104
- Appendix F 105
- Page 100 106
- GNU/Linux Programming 106
- Appendix G 107
- Silex Contact Information 107
- Page 102 108
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