DSB75 Development Support Board Rev. B1 Hardware Description
Confidential / Released
DSB75_hd_v12
Page 6 of 96
2008-08-26
Tables
Table 1: Standard package DSB75 Development Support Board ........................................13
Table 2: Terms and abbreviations ........................................................................................14
Table 3: Key features ...........................................................................................................16
Table 4: Interfaces of the DSB75 .........................................................................................21
Table 5: Pin assignment of B2B connector X100 .................................................................24
Table 6: Pin assignment – B2B connector X100 and test points X101 .................................26
Table 7: Pin assignment – B2B connector X100 and test points X102 .................................26
Table 8: LED indication of GPIO status................................................................................27
Table 9: GPIO assignment and switch position ....................................................................28
Table 10: Pin assignment – SIM card holder X503 and test pins X501 ................................30
Table 11: Pin assignment of 1st serial interface COM1 (X201) ............................................33
Table 12: Pin assignment of 2nd serial interface COM2 (X202) ...........................................34
Table 13: Pin assignment of debug interface COM3 (X205).................................................35
Table 14: Pin assignment of handset audio interface 1 (X502) ............................................37
Table 15: Pin assignment of audio interface 2 (X700, X701)................................................38
Table 16: Pin assignment of the USC/DAI interface X703....................................................42
Table 17: Pin assignment of USB device interface X110......................................................44
Table 18: Pin assignment of the I²C interface X511 .............................................................47
Table 19: Pin assignment of SD card interface X301 (SD 4 bit mode) .................................50
Table 20: Pin assignment of SD card interface X301 (SD 1 bit mode) .................................51
Table 21: Pin assignment of SD card interface X301 (SPI bus mode)..................................52
Table 22: Alternative configuration of SPI interface lines......................................................53
Table 23: Pin assignment of the SPI interfaces X510...........................................................54
Table 24: Pin assignment of the analog interface.................................................................56
Table 25: Description of power supply units .........................................................................60
Table 26: Recommended specification of the laboratory PSU..............................................62
Table 27: Connecting the laboratory PSU to X400 and X401...............................................62
Table 28: Pin assignment of the screw terminal X602..........................................................63
Table 29: Pin assignment of the X700 jack for the plug-in charger.......................................64
Table 30: Pin assignment of the X701 jack for the plug-in charger.......................................64
Table 31: Adjusting BATT+ voltage (3V3_4V5) ....................................................................66
Table 32: Overview of switch positions.................................................................................70
Table 33: Overview of jumpers.............................................................................................75
Table 34: DSB75 maximum ratings......................................................................................81
Table 35: DSB75 technical data ...........................................................................................81
Table 36: List of parts and accessories ................................................................................85
