Digi ConnectCore 9P 9215 Application guide

ConnectCore™
9P 9215 and Wi-9P 9215
Hardware Reference
90000879_F
Release date: March 2009

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Contents
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Customer support .............................................................................. 9
Chapter 1: About the Module ............................. 11
Features and functionality ............................................................12
Module variant ................................................................................12
Module pinout ..........................................................................13
Pinout legend: Type ..........................................................................13
X1 pinout .......................................................................................13
X2 pinout .......................................................................................17
Configuration pins — CPU .............................................................25
Default module CPU configuration .........................................................25
Configuration pins — Module .........................................................26
Identification of the module ................................................................26
Module pin configuration ....................................................................26
Clock generation .......................................................................27
Clock frequencies .............................................................................27
Changing the CPU speed .....................................................................28
Boot process ............................................................................28
Chip selects .............................................................................29
Chip select memory map ....................................................................29
SDRAM banks ............................................................................29
Multiplexed GPIO pins .................................................................29

4ConnectCore 9P 9215 and Wi-9P 9215 Hardware Reference
GPIO multiplex table .........................................................................30
Module LEDs .............................................................................34
Description .....................................................................................35
ConnectCore
Wi-9P default use .............................................................................35
External interrupts ............................................................................35
Interfaces ................................................................................36
10/100 Mbps Ethernet port ..................................................................36
UART ............................................................................................36
SPI ...............................................................................................36
I2C bus ..........................................................................................36
RTC ..............................................................................................37
WLAN ............................................................................................37
ADC ..............................................................................................37
FIM ...............................................................................................37
External Address/Data Bus ..................................................................37
WLAN ............................................................................................37
Antenna .........................................................................................38
Power ....................................................................................38
Power supply ...................................................................................38
Internal voltage ...............................................................................38
Chapter 2: About the Development Board ............... 39
What’s on the development board? ........................................................39
The development board ......................................................................40
User interface ..........................................................................41
General information ...................................................................41

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Antenna switch ............................................................................... 41
Switches and pushbuttons ............................................................ 42
Reset control, S3 ............................................................................. 42
Power switch, S2 ............................................................................. 42
User pushbuttons, S6 and S7 ................................................................ 43
Legend for multi-pin switches .............................................................. 43
Module configuration switches, S4 ........................................................ 43
Wake-up button, S8 .......................................................................... 43
Serial Port B MEI configuration switches, S1 ............................................. 43
Jumpers ................................................................................. 45
Jumper functions ............................................................................. 45
Battery and Battery Holder .......................................................... 46
LEDs ...................................................................................... 47
WLAN LED LE7 ................................................................................. 47
Power LEDs, LE3 and LE4 .................................................................... 47
User LEDs, LE5 and LE6 ...................................................................... 47
Serial status LEDs ............................................................................. 48
Status LEDs Serial Port D LEDs .............................................................. 48
Status LEDs Serial Port B LEDs .............................................................. 48
Serial UART ports ...................................................................... 49
Serial port D, RS232 .......................................................................... 49
Serial port A TTL interface ................................................................. 50
Serial port C TTL interface ................................................................. 50
Serial port B, MEI interface ................................................................. 51
I2C interface ........................................................................... 52
I2C header ..................................................................................... 53

6ConnectCore 9P 9215 and Wi-9P 9215 Hardware Reference
I2C digital I/O expansion .....................................................................53
SPI interface ............................................................................54
Pin allocation ..................................................................................55
Current Measurement Option ........................................................55
How the CMO works ..........................................................................56
JTAG interface ..........................................................................57
Standard JTAG ARM connector, X13 ........................................................57
PoE module connectors - IEEE802.3af ..............................................58
The PoE module ...............................................................................59
X9 ................................................................................................60
X26 ..............................................................................................60
POE_GND .......................................................................................60
Power Jack, X24 ...............................................................................60
Ethernet interface .....................................................................60
RJ-45 pin allocation, X19 ....................................................................61
LEDs .............................................................................................62
WLAN interface .........................................................................62
Peripheral (expansion) headers ......................................................63
Peripheral application header, X33 ........................................................63
Module and test connectors ..........................................................64
Module connectors ............................................................................65
Test connectors ...............................................................................65
X10 pinout ......................................................................................66
X11 pinout ......................................................................................66
X20 pinout ......................................................................................67
X21 pinout ......................................................................................68

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Appendix A:Specifications ................................................................. 69
Mechanical information .............................................................. 69
Network interface ..................................................................... 69
Ethernet ....................................................................................... 69
WLAN ........................................................................................... 70
Environmental information .......................................................... 70
Thermal specifications ............................................................... 71
Additional design recommendations ...................................................... 72
Safety statements ..................................................................... 73
Power requirements .................................................................. 73
IEEE802.11 a/b/g WLAN .............................................................. 74
Typical module current / power measurements ................................. 75
Typical power save current / power measurements ............................. 75
ConnectCore 9P 9215 Module ........................................................ 77
Top view ....................................................................................... 77
Module, side view ............................................................................ 77
ConnectCore Wi-9P 9215 Module .................................................... 79
Module, top view ............................................................................. 79
Module, side view ............................................................................ 79
Layout recommendation .............................................................. 80
Reset and edge sensitive input timing requirements ............................ 84
Antenna specifications: 2 dBi Dipole ............................................... 85
Attributes ...................................................................................... 85
Dimensions .................................................................................... 85
Antenna strength (radiation pattern) diagram ........................................... 86
Antenna specifications: 5.5 dBi Dipoles ............................................ 87

8ConnectCore 9P 9215 and Wi-9P 9215 Hardware Reference
Attributes ......................................................................................87
Dimensions .....................................................................................88
Radiation pattern: H-Plane (2.0 and 5.0 GHz) ............................................88
Radiation pattern: E-plane (2.0 and 5.0 GHz) ............................................89
Appendix B:Certifications ................................................................. 91
FCC Part 15 Class B ....................................................................91
Appendix C:Change log .................................................................... 97
Revision B ...............................................................................97
Revision C ...............................................................................97
Revision D ...............................................................................97
Revision E ................................................................................98
Revision F ................................................................................98

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This guide provides information about the Digi ConnectCore 9P 9215 embedded core
module.
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10 ConnectCore 9P 9215 and Wi-9P 9215 Hardware Reference