
TableofContents
Revision History................................................................................ ii
1Overview .........................................................................4
1.1 General Information ...............................................................4
1.2 Related Documents................................................................4
2Detailed Description.......................................................5
2.1 VAR-EXT-CB105 Layout & Connectors.................................5
2.1.1 IO & BUS Extenders (Section A)....................................................5
2.1.2 RS-232/3.3V Level UART (Section B)...........................................6
2.1.3 RS485 Level UART (Section B) .....................................................6
2.1.4 CAN BUS (Section C)* ...................................................................6
2.1.5 1.8v -> 3.3v level Translation (Section D).......................................6
2.1.6 JTAG Adaptor (Section E)..............................................................6
3Connectors Pinout .........................................................7
3.1 Extension Headers.................................................................7
3.1.1 Extension Header J16 –LCD Interface..........................................7
3.1.2 Extension Header J15 –CAM & I2C ..............................................8
3.1.3 Extension Header J17 –Local Bus ................................................9
3.1.4 Extension Header J18 –SPI, MMC & ADC..................................10
3.2 UARTs .................................................................................11
3.2.1 RS232 connectors assignment.....................................................11
3.2.2 RS232 connectors pin out ............................................................11
3.3 CAN BUS - J1......................................................................12
3.4 General Purpose Level Shifter.............................................12
3.5 JTAG Connectors.................................................................12
3.5.1 JTAG Out (J20).............................................................................12
3.5.2 JTAG In(J19) ................................................................................12
4Jumper Configuration..................................................14
5Legal notice ..................................................................15
6Warranty terms.............................................................16
7Contact information .....................................................17