= Clock Control Registers v2.0 = * [[SDB Device ID]] 0x7bc301a9 * [[Clock Control Registers]] == Register Map == address space 0x000 - 0xFF * 00h - '''Identification''' ''7bc301a9'', 32 bits, RO static * 02h - ''reserved'' * 03h - ''reserved'' * 04h - '''PLL bypass''', R/W . [0] - '1' - bypass (default), '0' - clock via PLL * 05h - '''Clock Control''', R/W . [15] - automatic (default) . [3] - REF 10 MHz . [2] - VXS backplane . [1] - REF 41.6(6) MHz . [0] - Local * 06h - '''Clock Status''', '1' - clock ok, RO . [3] - REF 10 MHz . [2] - VXS backplane . [1] - REF 41.6(6) MHz . [0] - Local * 07h - '''System Clock Source''', RO . [15] - PLL bypassed . [3] - REF 10 MHz . [2] - VXS backplane . [1] - REF 41.6(6) MHz . [0] - Local * 08h - '''Clock Source Control Capability''', RO static . [15] - automatic . [3] - REF 10 MHz . [2] - VXS backplane . [1] - REF 41.6(6) MHz . [0] - Local ---- [[CategorySDB|SDB]]