Datasheet

AD9549
Rev. D | Page 51 of 76
Addr
(Hex) Type
1
Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 BIt 2 Bit 1 Bit 0
Default
(Hex)
0x030E RO HFTW Average or instantaneous FTW, Bits[47:0]
(read only)
LSB: Register 0x030E
(An I/O update is required to refresh these registers.)
N/A
0x030F RO N/A
0x0310 RO N/A
0x0311 RO N/A
0x0312 RO N/A
0x0313 RO N/A
0x0314 M Phase lock Phase lock detect threshold, Bits[31:0] 0xFF
0x0315 M 0x00
0x0316 M 0x00
0x0317 M 0x00
0x0318 M Phase unlock watchdog timer,
Bits[2:0]
Phase lock watchdog timer, Bits[4:0]
0xFF
0x0319 M Frequency
lock
Frequency lock detect threshold, Bits[31:0] 0x00
0x031A M 0x00
0x031B M 0x00
0x031C M 0x00
0x031D M Frequency unlock watchdog timer,
Bits[2:0]
Frequency lock watchdog timer, Bits[4:0]
0xFF
0x031E M Loss of
reference
REFA LOR divider, Bits[15:0] 0xFF
0x031F M 0xFF
0x0320 M REFB LOR divider, Bits[15:0] 0xFF
0x0321 M 0xFF
0x0322 M Reference
out of
limits
REFA OOL divider, Bits[15:0] 0x00
0x0323 M 0x00
0x0324 M REFA OOL upper limit, Bits[31:0] 0xFF
0x0325 M 0xFF
0x0326 M 0xFF
0x0327 M 0xFF
0x0328 M REFA OOL lower limit, Bits[31:0] 0x00
0x0329 M 0x00
0x032A M 0x00
0x032B M 0x00
0x032C M REFB OOL divider, Bits[15:0] 0x00
0x032D M 0x00
0x032E M REFB OOL upper limit, Bits[31:0] 0xFF
0x032F M 0xFF
0x0330 M 0xFF
0x0331 M 0xFF
0x0332 M REFB OOL lower limit, Bits[31:0] 0x00
0x0333 M 0x00
0x0334 M 0x00
0x0335 M 0x00