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Developer Board and Interfaces Description
3.4.9
Host
An external application may communicate with the g20 through the host connector (J1) and control some or all of the g20's
functions. The host connector enables you to integrate the g20 into an application without installing the g20 inside the product.
The host connector operates in parallel with the developer board peripherals and enables an external application to share g20
resources with the developer board. You may select any g20 function to control externally, through the host connector, and allow
the developer board to control other functions.
Figure 17. 70-pin Connectors
You can connect an external application to the g20 Developer Board using a host interconnect flex cable and connecting it to
the host connector (J1). Connect the other end of the cable to the external application. The cable is an optional accessory.
All pin numbers and functions of the host connector are identical to those of the g20 UUT (P1) and the g20 diagnostic connector
(P100). For more information on the pins of the host connector, refer to “UUT Interface Connector” on page 27.
The following are guidelines for using the host connector:
• When using an external SIM card through the host connector, the developer board SIM card jumper (P110) must be discon-
nected and the SIM card tray should be empty.
• When using any of the serial communication channels (USB, RS232, SPI) through the host connector, the developer board
serial connectors should not be used.
• When using the IGN or WAKEUP functions through the host connector, the functions should be switched off on the devel-
oper board Dip switches.
• When using the analog audio channels through the host connector, disconnect all audio devices from the developer board.
• When using the PCM digital audio through the host connector, it is recommended to place the audio selection jumper (P420)
to analog audio mode.
• When connecting an external application that provides the power to the g20 and the Developer Board, remove any other
power sources from the Developer Board.
g20 70-pin
Connector
70-pin
Host Connector
g20 70-pin
Diagnostics Connector
Содержание F3030A
Страница 1: ...D r a f t Developer s Guide Motorola g20 Developer s Kit 98 08901C67 O ...
Страница 2: ...ii 98 08901C67 O REVISION HISTORY Revision Date Purpose ...
Страница 10: ...Preface 4 98 08901C67 O ...
Страница 42: ...Developer Board and Interfaces Description 36 98 08901C67 O ...
Страница 44: ...Mechanical Description 38 98 08901C67 O ...
Страница 48: ...Service Support 42 98 08901C67 O ...
Страница 50: ...Schematics Placement and Parts List 44 98 08901C67 O Figure 23 Developer Board Top Level Design ...
Страница 51: ...98 08901C67 O 45 Schematics Placement and Parts List Figure 24 Diagnostics ...
Страница 52: ...Schematics Placement and Parts List 46 98 08901C67 O Figure 25 Power ...
Страница 53: ...98 08901C67 O 47 Schematics Placement and Parts List Figure 26 Debug Interface ...
Страница 54: ...Schematics Placement and Parts List 48 98 08901C67 O Figure 27 Keypad and Display ...
Страница 55: ...98 08901C67 O 49 Schematics Placement and Parts List Figure 28 Audio Interface ...
Страница 56: ...Schematics Placement and Parts List 50 98 08901C67 O Figure 29 LEDs ...
Страница 57: ...98 08901C67 O 51 Schematics Placement and Parts List Figure 30 Battery Charger ...
Страница 58: ...Schematics Placement and Parts List 52 98 08901C67 O Figure 31 Serial Interface ...
Страница 68: ...Schematics Placement and Parts List 62 98 08901C67 O ...
Страница 72: ...Index 66 98 08901C64 O ...