AAC Microtec Sirius TCM User Manual
Also see for Sirius OBC: User manual
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Document number 205065Version Rev. NIssue date 2019-02-04Sirius OBC and TCM User Manualwww.aacmicrotec.com Page 126 of 174Table 7-20 CPDU Command (2, 3)Output Line ID Duration0-11(1 octet)0 – 7(1 octet)The duration is a multiple of the CPDU_DURATION_UNIT (D), defined to 12.5 ms, asdetailed below.Table 7-21 CPDU DurationDuration in bits Duration in time (ms)000 1 x D = 12.5001 2 x D = 25010 4 x D = 50011 8 x D = 100100 16 x D = 200101 32 x D = 400110 64 x D = 800111 128 x D = 1600Note: The APIDs reserved for the CPDU are 1 – 9 for future use.7.10.4. PUS-2 Distributing Device CommandBy PUS service (2,128) it is possible to write a command to devices on the TCM-S by atelecommand. One device command per telecommand is supported. UART-devices have afixed configuration of 8 data bits and 1 stop bit.Table 7-22 Distributing Device CommandDevice Address Bitrate Mode Parity0xFF04000100 – UART00xFF04000101 – UART10xFF04000102 – UART2(5 octets)10 = 375000 baud9 = 153600 baud8 = 115200 baud (default)7 = 75600 baud6 = 57600 baud5 = 38400 baud4 = 19200 baud3 = 9600 baud2 = 4800 baud1 = 2400 baud0 = 1200 baud(1 octet)0 = RS422 mode (default)1 = RS485 mode2 = Loopback(1 octet)0 = No parity (default)1 = Odd parity2 = Even parity( 1 octet)7.11. Custom services7.11.1. PUS-130 Software uploadDuring the lifetime of a satellite, the on-board software might need adjustments as bugs aredetected or the mission parameters adjusted. This service solves that by providing a meansfor updating the on-board software in orbit. See chapter 9 for further info. |
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