To get the full picture I'd advise to take a look at the PPSS table and the DPS table of the current STEP configuration:
PPSS-TABLE (len=64):
PPSS-ITEM: index= 0, us= 1, mod=ppss_modulus(mods=(0,)) , msg=msg(0x0000, 2, 0x0000000037000000), flags={'STOP_DATA': True}
PPSS-ITEM: index= 1, us= 4, mod=ppss_modulus(mods=(0, 1, 0, 0, 0, 0, 0)) , msg=msg(0x0144, 1, 0x00000000000003ff), flags={'HK': True, 'search': True}
PPSS-ITEM: index= 2, us= 5, mod=ppss_modulus(mods=(0, 2, 0, 0, 0)) , msg=msg(0x0527, 2, 0x0000000004000036), flags={'search': True, 'L3CNTR': True, 'ICU': 39}
PPSS-ITEM: index= 3, us= 6, mod=ppss_modulus(mods=(0, 1, 0, 1, 0)) , msg=msg(0x0d23, 1, 0x0000000000000d05), flags={'STEP_HK': True, 'search': True, 'ICU': 35}
PPSS-ITEM: index= 4, us= 7, mod=ppss_modulus(mods=(0, 0, 1, 1, 0, 0, 0)) , msg=msg(0x0c44, 1, 0x0000000000000d05), flags={'STEP_HK': True, 'search': True, 'HK': True}
PPSS-ITEM: index= 5, us= 8, mod=ppss_modulus(mods=(0, 0, 0, 0, 0)) , msg=msg(0x05ff, 2, 0x0000000080440000), flags={'STEP_L1CNTR': True, 'search': True, 'ICU': 46}
PPSS-ITEM: index= 6, us= 9, mod=ppss_modulus(mods=(0, 1, 1, 1, 0)) , msg=msg(0x0b2f, 1, 0x00000000000010ff), flags={'search': True, 'ICU': 47}
PPSS-ITEM: index= 7, us= 10, mod=ppss_modulus(mods=(0, 0, 0, 2, 0, 0, 0)) , msg=msg(0x0b44, 1, 0x00000000000010ff), flags={'HK': True, 'search': True}
PPSS-ITEM: index= 8, us= 11, mod=ppss_modulus(mods=(0, 0, 0, 0, 0, 0, 0, 0)), msg=msg(0x0009, 0, 0x0000000000000080), flags={'search': True, 'EEPROM_INCR': True}
PPSS-ITEM: index= 9, us= 12, mod=ppss_modulus(mods=(0, 0, 0, 0, 0, 0, 0, 0)), msg=msg(0x000b, 0, 0x0000000000000040), flags={'search': True, 'TABLE_INCR': True}
PPSS-ITEM: index= 10, us= 13, mod=ppss_modulus(mods=(0, 3, 1, 0, 0, 0, 0, 0)), msg=msg(0x0544, 2, 0x00000000080400c0), flags={'HK': True, 'search': True}
PPSS-ITEM: index= 11, us= 14, mod=ppss_modulus(mods=(0, 3, 1, 0, 0, 1, 0, 0)), msg=msg(0x0544, 2, 0x000000001c040090), flags={'HK': True, 'search': True}
PPSS-ITEM: index= 12, us= 15, mod=ppss_modulus(mods=(0, 3, 1, 0, 0, 2, 0, 0)), msg=msg(0x0544, 2, 0x0000000080f00000), flags={'HK': True, 'search': True, 'EEPROM': True}
PPSS-ITEM: index= 13, us= 16, mod=ppss_modulus(mods=(0, 3, 1, 0, 0, 3, 0, 0)), msg=msg(0x0544, 2, 0x00000000402c2000), flags={'HK': True, 'search': True, 'TABLES': True}
PPSS-ITEM: index= 14, us= 20, mod=ppss_modulus(mods=(0, 0, 0, 0, 0, 0, 0)) , msg=msg(0x0000, 1, 0x0000000000000900), flags={'TOGGLE_PHA': True, 'search': True}
PPSS-ITEM: index= 15, us= 21, mod=ppss_modulus(mods=(0, 2, 1, 0, 0, 0, 0)) , msg=msg(0x0554, 3, 0x0000000100a00000), flags={'PHA': True, 'search': True}
PPSS-ITEM: index= 16, us= 22, mod=ppss_modulus(mods=(0, 2, 1, 1, 0, 0, 0)) , msg=msg(0x0554, 3, 0x0000000100a00100), flags={'PHA': True, 'search': True}
PPSS-ITEM: index= 17, us= 23, mod=ppss_modulus(mods=(0, 2, 1, 2, 0, 0, 0)) , msg=msg(0x0554, 3, 0x0000000100a00200), flags={'PHA': True, 'search': True}
PPSS-ITEM: index= 18, us= 24, mod=ppss_modulus(mods=(0, 2, 1, 0, 1, 0, 0)) , msg=msg(0x0554, 3, 0x0000000100a00300), flags={'PHA': True, 'search': True}
PPSS-ITEM: index= 19, us= 25, mod=ppss_modulus(mods=(0, 2, 1, 1, 1, 0, 0)) , msg=msg(0x0554, 3, 0x0000000100a00400), flags={'PHA': True, 'search': True}
PPSS-ITEM: index= 20, us= 26, mod=ppss_modulus(mods=(0, 2, 1, 2, 1, 0, 0)) , msg=msg(0x0554, 3, 0x0000000100a00500), flags={'PHA': True, 'search': True}
PPSS-ITEM: index= 21, us= 27, mod=ppss_modulus(mods=(0, 2, 1, 0, 0, 1, 0)) , msg=msg(0x0554, 3, 0x0000000100a00600), flags={'PHA': True, 'search': True}
PPSS-ITEM: index= 22, us= 28, mod=ppss_modulus(mods=(0, 2, 1, 1, 0, 1, 0)) , msg=msg(0x0554, 3, 0x0000000100a00700), flags={'PHA': True, 'search': True}
PPSS-ITEM: index= 23, us= 29, mod=ppss_modulus(mods=(0, 2, 1, 2, 0, 1, 0)) , msg=msg(0x0554, 3, 0x0000000100a00800), flags={'PHA': True, 'search': True}
PPSS-ITEM: index= 24, us= 30, mod=ppss_modulus(mods=(0, 2, 1, 0, 1, 1, 0)) , msg=msg(0x0554, 3, 0x0000000100a00900), flags={'PHA': True, 'search': True}
PPSS-ITEM: index= 25, us= 31, mod=ppss_modulus(mods=(0, 2, 1, 1, 1, 1, 0)) , msg=msg(0x0554, 3, 0x0000000100a00a00), flags={'PHA': True, 'search': True}
PPSS-ITEM: index= 26, us= 32, mod=ppss_modulus(mods=(0, 2, 1, 2, 1, 1, 0)) , msg=msg(0x0554, 3, 0x0000000100a00b00), flags={'PHA': True, 'search': True}
PPSS-ITEM: index= 27, us= 33, mod=ppss_modulus(mods=(0, 2, 1, 0, 0, 2, 0)) , msg=msg(0x0554, 3, 0x0000000100a00c00), flags={'PHA': True, 'search': True}
PPSS-ITEM: index= 28, us= 34, mod=ppss_modulus(mods=(0, 2, 1, 1, 0, 2, 0)) , msg=msg(0x0554, 3, 0x0000000100a00d00), flags={'PHA': True, 'search': True}
PPSS-ITEM: index= 29, us= 35, mod=ppss_modulus(mods=(0, 2, 1, 2, 0, 2, 0)) , msg=msg(0x0554, 3, 0x0000000100a00e00), flags={'PHA': True, 'search': True}
PPSS-ITEM: index= 30, us= 36, mod=ppss_modulus(mods=(0, 2, 1, 0, 1, 2, 0)) , msg=msg(0x0554, 3, 0x0000000100a00f00), flags={'PHA': True, 'search': True}
PPSS-ITEM: index= 31, us= 50, mod=ppss_modulus(mods=(0, 1, 0, 0, 0)) , msg=msg(0x0121, 1, 0x00000000000003ff), flags={'search': True, 'ICU': 33}
PPSS-ITEM: index= 32, us= 51, mod=ppss_modulus(mods=(0, 2, 0, 0, 0)) , msg=msg(0x0528, 2, 0x0000000001040028), flags={'MSGCNTR': True, 'search': True, 'ICU': 40}
PPSS-ITEM: index= 33, us= 99, mod=ppss_modulus(mods=(0, 0, 0, 0, 0)) , msg=msg(0x0002, 3, 0x007270e00f416800), flags={'OPHEATER': True, 'search': True}
PPSS-ITEM: index= 34, us= 190, mod=ppss_modulus(mods=(0, 1, 0, 0, 0, 0, 0)) , msg=msg(0x0000, 1, 0x0000000000000080), flags={'RESET_ERRORS': True, 'search': True}
PPSS-ITEM: index= 35, us= 420, mod=ppss_modulus(mods=(0, 0, 0, 0, 0, 0, 0)) , msg=msg(0x0544, 2, 0x0000000010040030), flags={'HK': True, 'search': True}
PPSS-ITEM: index= 36, us= 445, mod=ppss_modulus(mods=(0, 0, 0, 0, 0, 0, 0)) , msg=msg(0x0544, 2, 0x0000000010040000), flags={'HK': True, 'search': True}
PPSS-ITEM: index= 37, us= 470, mod=ppss_modulus(mods=(0, 0, 0, 0, 0)) , msg=msg(0x0525, 2, 0x0000000010040030), flags={'search': True, 'ICU': 37}
PPSS-ITEM: index= 38, us= 505, mod=ppss_modulus(mods=(0, 0, 0, 0, 0)) , msg=msg(0x0526, 2, 0x0000000010040000), flags={'search': True, 'ICU': 38}
PPSS-ITEM: index= 39, us= 610, mod=ppss_modulus(mods=(0, 0, 0, 0, 0, 0, 0)) , msg=msg(0x05ff, 2, 0x0000000080440080), flags={'HK': True, 'STEP_L1CNTR': True, 'search': True}
PPSS-ITEM: index= 40, us= 950, mod=ppss_modulus(mods=(0,)) , msg=msg(0x0001, 3, 0x0082ff180082ff18), flags={'L1L2': True}
PPSS-ITEM: index= 41, us= 970, mod=ppss_modulus(mods=(0,)) , msg=msg(0x0000, 3, 0x5d00a20000000000), flags={'ALLACQ': True}
PPSS-ITEM: index= 42, us= 1000, mod=ppss_modulus(mods=(0, 1, 0, 2, 0, 0, 0)) , msg=msg(0x1785, 1, 0x0000000000002000), flags={'IX_RSM': True}
PPSS-ITEM: index= 43, us= 1030, mod=ppss_modulus(mods=(0, 1, 0, 2, 0, 0, 0)) , msg=msg(0x1782, 1, 0x0000000000004000), flags={'IX_SELFILTER': True}
PPSS-ITEM: index= 44, us= 1060, mod=ppss_modulus(mods=(0, 1, 0, 2, 0, 0, 0)) , msg=msg(0x1704, 2, 0x0000000000000000), flags={'IX_TESTREG0': True}
PPSS-ITEM: index= 45, us= 1090, mod=ppss_modulus(mods=(0, 1, 0, 2, 0, 0, 0)) , msg=msg(0x1684, 2, 0x0000000000000000), flags={'IX_TESTREG1': True}
PPSS-ITEM: index= 46, us= 1120, mod=ppss_modulus(mods=(0, 1, 0, 2, 0, 0, 0)) , msg=msg(0x1786, 1, 0x0000000000008000), flags={'IX_I0': True}
PPSS-ITEM: index= 47, us= 1150, mod=ppss_modulus(mods=(0, 1, 0, 2, 0, 0, 0)) , msg=msg(0x1781, 1, 0x0000000000000000), flags={'IX_ICOMP': True}
PPSS-ITEM: index= 48, us= 1180, mod=ppss_modulus(mods=(0, 1, 0, 2, 0, 0, 0)) , msg=msg(0x1503, 3, 0xefbefbefbefbefbe), flags={'incr': 30, 'IX_THR0': True, 'locked': True, 'first': 1180}
PPSS-ITEM: index= 49, us= 1210, mod=ppss_modulus(mods=(0, 1, 0, 2, 0, 0, 0)) , msg=msg(0x1503, 3, 0xbefbefbefbefbefb), flags={'incr': 30, 'IX_THR0': True, 'locked': True, 'first': 1180}
PPSS-ITEM: index= 50, us= 1240, mod=ppss_modulus(mods=(0, 1, 0, 2, 0, 0, 0)) , msg=msg(0x1703, 3, 0xfbefbefbefbefbef), flags={'incr': 30, 'IX_THR0': True, 'locked': True, 'first': 1180}
PPSS-ITEM: index= 51, us= 1300, mod=ppss_modulus(mods=(0, 1, 0, 2, 0, 0, 0)) , msg=msg(0x1483, 3, 0xefbefbefbefbefbe), flags={'IX_THR1': True, 'locked': True, 'incr': 30, 'first': 1300}
PPSS-ITEM: index= 52, us= 1330, mod=ppss_modulus(mods=(0, 1, 0, 2, 0, 0, 0)) , msg=msg(0x1483, 3, 0xbefbefbefbefbefb), flags={'IX_THR1': True, 'locked': True, 'incr': 30, 'first': 1300}
PPSS-ITEM: index= 53, us= 1360, mod=ppss_modulus(mods=(0, 1, 0, 2, 0, 0, 0)) , msg=msg(0x1683, 3, 0xfbefbefbefbefbef), flags={'IX_THR1': True, 'locked': True, 'incr': 30, 'first': 1300}
PPSS-ITEM: index= 54, us= 1900, mod=ppss_modulus(mods=(0, 1, 0, 1, 0, 0, 0)) , msg=msg(0x0000, 1, 0x0000000000000008), flags={'search': True}
PPSS-ITEM: index= 55, us= 1950, mod=ppss_modulus(mods=(0,)) , msg=msg(0x000c, 1, 0x0000000000002000), flags={'IX_ARESET': True}
PPSS-ITEM: index= 56, us= 2000, mod=ppss_modulus(mods=(0,)) , msg=msg(0x0000, 2, 0x00000000083f0000), flags={'START_DATA': True}
PPSS-ITEM: index= 57, us= 100000, mod=ppss_modulus(mods=(0,)) , msg=msg(0x0353, 3, 0x00000001000102ae), flags={'DPS': True, 'dps_name': 'nominal'}
PPSS-ITEM: index= 58, us= 259600, mod=ppss_modulus(mods=(0,)) , msg=msg(0x0333, 3, 0x0000000102af0260), flags={'DPS': True, 'dps_name': 'lowlatency'}
PPSS-ITEM: index= 59, us= 400900, mod=ppss_modulus(mods=(0,)) , msg=msg(0x0363, 3, 0x00000001050f0232), flags={'DPS': True, 'dps_name': 'burst'}
PPSS-ITEM: index= 60, us= 799999, mod=ppss_modulus(mods=(0,)) , msg=msg(0x02ff, 1, 0x0000000000000001), flags={'DPS': True, 'dps_name': 'clear'}
PPSS-ITEM: index= 61, us= 999999, mod=ppss_modulus(mods=()) , msg=msg(0x0000, 1, 0x0000000000008000), flags={}
PPSS-ITEM: index= 62, us=1111111, mod=ppss_modulus(mods=(0,)) , msg=msg(0x0000, 1, 0x0000000000000004), flags={}
PPSS-ITEM: index= 63, us= 0, mod=ppss_modulus(mods=()) , msg=msg(0x0000, 0, 0x0000000000000000), flags={}