Sundance SMT942 - Manual (Page 22)

User Manual SMT942 Page 22 of 55 Last Edited: 23/08/2011 17:25:00
0 ‘0’ Normal mode of operation
1 ‘1’ FB Divider can be started with external REF_SEL (pin)
Setting Bit 9 Description DET_START_BYPASS
0 ‘0’ Normal mode of operation
1 ‘1’ FB Divider can be started with external NRESET (pin)
CLOCK Register D 0x1D.
Clock Register D 0x1D
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
1 Reserved
Default ‘01101000’
0 Reserved
Default ‘00000000’
CLOCK Register E 0x1E.
Clock Register E 0x1E
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit
3
Bit 2 Bit 1 Bit 0
1 Reserved ADLOCK LOCK_C[1]
Default ‘000000’ ‘0’ ‘0’
0 LOCK_C[0] Reserve
d
LOCK_WINDOW Reserved
Default ‘0’ ‘0’ ‘00’ ‘0111’
Reset Register E 0x1E
Setting Bit 5:4 Description Lock detect window LOCK_WINDOW
0 ‘0’
1 ‘1’
Setting Bit 8:7 Description Number of coherent lock events LOCK_C
0 ‘0’
1 ‘1’
Setting Bit 9 Description ADLOCK
0 ‘0’ Digital PLL Lock
1 ‘1’ Analog PLL Lock
CLOCK Register F 0x1F.
Clock Register F 0x1F
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
1 Reserved