Changes between Initial Version and Version 1 of Debugboard_V3_Specification


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Timestamp:
04/04/08 22:09:14 (11 years ago)
Author:
roh
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  • Debugboard_V3_Specification

    v1 v1  
     1TODO: not complete yet 
     2 
     3This page describes the hardware of the third revision of the Neo1973 Debugboard. 
     4 
     5It was designed to make low level development with the Neo1973 easier and independent of proprietary tools and improve on some shortcomings in the [wiki:Debugboard_V2_Specification previous version]. 
     6 
     7== Neo1973 Debugboard V3 Specification == 
     8[[Image(neo1973_debugboard_v3_front.png)]] 
     9|right|Neo1973 Debugboard V3]] 
     10 
     11<insert something with diagram and explanation here> 
     12 
     13 
     14=== Schematics: === 
     15 * <FIXME> 
     16 
     17=== Drivers/Software: === 
     18 * ftdi_sio.ko for UART usage 
     19 * Direct userspace access via libusb (e.g openocd)  
     20 
     21=== Connectors: === 
     22 * miniUSB-B to host 
     23 * 2x USB-A 
     24 * Neo1973 Debug Connector (fpc) 
     25 * Optional Pinheaders for JTAG and Serial 
     26 * Optional Pinheader for I2C/SPI/IRQ access via Debug Connector 
     27 
     28=== Changelog === 
     29 Changes from  v1 to v2 
     30 * Get rid of ethernet 
     31 * Get rid of 7-segment LED displays 
     32 * Get rid of built-in wiggler 
     33 * Get rid of li-ion battery (including charger) 
     34 NOTE: Version 1 never existed outside the Openmoko labs. 
     35 Changes from v2 to v3: 
     36 * Drastically reduce the effective load capacitance on the upstream USB port 
     37 * Use a load-limiting 3V LDO to further ensure USB spec electrical compliance 
     38 * Add a new 10pin header to make the I2C/SPI/IRQ pins of the GTA01/GTA02 debug connector accessible 
     39 * Rotate the 20pin ARM-JTAG connector to be able to use standard 90degree-angled sockets 
     40 * Give LEDs and connectors proper names on the silk screen 
     41 * Add Openmoko logo to the bottom silk screen 
     42  
     43=== Availability: === 
     44 * Current model. The successor of [wiki:Debugboard_V2_Specification Neo1973 Debugboard V2]