Datasheet

Data Sheet AD9558
Rev. B | Page 69 of 104
Reg
Addr
(Hex)
Opt Name D7 D6 D5 D4 D3 D2 D1 D0 Def
Operational Controls
0x0A00 Power-down Soft reset
exclude
regmap
DCO PD SYSCLK
PD
Ref input
PD
TDC PD APLL PD Clock dist PD Full PD 00
0x0A01 Loop mode Reserved User
holdover
User
freerun
REF switchover mode[2:0]
User ref in manual
switchover mode
00
0x0A02 Cal/sync Reserved Soft sync
clock dist
Reserved 00
0x0A03 A Clear/reset
functions
Reserved Clear LF Clear CCI Reserved Clear auto
sync
Clear TW
history
Clear all IRQs Clear watchdog 00
0x0A04 A IRQ clearing Reserved Reserved SYSCLK
unlocked
SYSCLK
locked
APLL
unlocked
APLL
locked
APLL cal ended APLL cal
started
00
0x0A05 A Reserved Pin
program
end
Sync clock
dist
Watchdog
timer
EEPROM fault EEPROM
complete
00
0x0A06 A Switching Closed Freerun Holdover Frequency
unlocked
Frequency
locked
Phase
unlocked
Phase
locked
00
0x0A07 A Reserved History
updated
Frequency
unclamped
Frequency
clamped
Phase slew
unlimited
Phase slew
limited
00
0x0A08 A Reserved REFB
validated
REFB fault
cleared
REFB fault Reserved REFA
validated
REFA fault
cleared
REFA fault 00
0x0A09 A Reserved REFD
validated
REFD
fault
cleared
REFD fault Reserved REFC
validated
REFC fault
cleared
REFC fault 00
0x0A0A A Increment
phase offset
Reserved Reset
phase
offset
Decrement
phase offset
Increment
phase offset
00
0x0A0B A Manual
reference
validation
Reserved Force
Timeout D
Force
Timeout C
Force
Timeout B
Force
Timeout A
00
0x0A0C Manual
reference
invalidation
Reserved REF Mon
Override D
REF Mon
Override C
REF Mon
Override B
REF Mon
Override A
00
0x0A0D Static
reference
validation
Reserved REF Mon
Bypass D
REF Mon
Bypass C
REF Mon
Bypass B
REF Mon
Bypass A
00
Quick In-Out Frequency Soft Pin Configuration
0x0C00 L, E Enable
Soft Pin
Section 1
Reserved En Soft Pin
Section 1
00
0x0C01 L, E Soft Pin
Section 1
Output frequency selection[3:0] Input frequency selection[3:0] 00
0x0C02 L, E Reserved SYSCLK PLL REF selection[1:0] 00
0x0C03 L, E Enable
Soft Pin
Section 2
Reserved En Soft Pin
Section 2
00
0x0C04 L, E Soft Pin
Section 2
REFD frequency scale[1:0] REFC frequency
scale[1:0]
REFB frequency scale[1:0] REFA frequency scale[1:0] 00
0x0C05 L, E Channel 3 output frequency
scale[1:0]
Channel 2 output
frequency scale[1:0]
Channel 1 output frequency
scale[1:0]
Channel 0 output frequency
scale[1:0]
00
0x0C06 L, E Reserved Sel high
PM base
loop filter
DPLL BW[1:0] REF tolerance[1:0] 00
0x0C07 L, A,
E
Reserved Soft pin start
transfer
00
0x0C08 L, E Reserved Soft pin reset 00