Datasheet

AD9854
Rev. E | Page 26 of 52
I/O UD CLK
F1
0
FREQUENCY
MODE
FTW1
DFW
F1
000 (DEFAULT)
0
R
A
MP RATE
RAMP RATE
011 (CHIRP)
DELTA FREQUENCY WORD
CLR ACC1
00636-045
Figure 45. Effect of CLR ACC1 in FM Chirp Mode
CLR ACC2
F1
0
FREQUENCY
MODE
TW1
DPW
000 (DEFAULT)
0
R
A
MP RATE
011 (CHIRP)
I/O UD CLK
00636-046
Figure 46. Effect of CLR ACC2 in Chirp Mode