Datasheet

Data Sheet AD9559
Rev. C | Page 67 of 120
Reg
Addr
(Hex)
Opt Name D7 D6 D5 D4 D3 D2 D1 D0
Def
(Hex)
DPLL_1 Settings for Reference Input B
0x0567 Reference
priority
Reserved REFB priority [1:0] Enable
REFB
0x00
0x0568 W2 DPLL_1
loop BW
(16 bits)
Digital PLL_1 loop BW scaling factor, Bits[7:0] (default: 0x01F4 = 50 Hz) 0xF4
0x0569 W2 Digital PLL_1 loop BW scaling factor, Bits[15:8] 0x01
0x056A W2 Reserved Base filter Reserved 0x00
0x056B W2 DPLL_1
N1 divider
(17 bits)
Digital PLL_1 feedback divider—Integer Part N1, Bits[7:0] 0xCB
0x056C W2 Digital PLL_1 feedback divider—Integer Part N1, Bits[15:8] 0x07
0x056D W2 Reserved Digital
PLL
feedback
divider—
Integer
Part N1,
Bit 16
0x00
0x056E DPLL_1
fractional
feedback
divider
(23 bits)
Digital PLL_1 fractional feedback divider—FRAC1, Bits[7:0] 0x04
0x056F
Digital PLL_1 fractional feedback divider—FRAC1, Bits[15:8]
0x00
0x0570
Reserved
Digital PLL_1 fractional feedback divider—FRAC1, Bits[22:16]
0x00
0x0571 W2 DPLL_1
fractional
feedback
divider
modulus
(23 bits)
Digital PLL_1 feedback divider modulus—MOD1, Bits[7:0] 0x05
0x0572
W2
Digital PLL_1 feedback divider modulus—MOD1, Bits[15:8]
0x00
0x0573 W2 Reserved Digital PLL_1 feedback divider modulus—MOD1, Bits[22:16] 0x00
Loop Filters
0x0800 L Base
loop filter
coefficient
set
(normal
phase
margin
of 70°)
NPM Alpha-0 linear, Bits[7:0] 0x24
0x0801 L NPM Alpha-0 linear, Bits[15:8] 0x8C
0x0802 L Reserved NPM Alpha-1 exponent, Bits[6:0] 0x49
0x0803 L NPM Beta-0 linear, Bits[7:0] 0x55
0x0804 L NPM Beta-0 linear, Bits[15:8] 0xC9
0x0805 L Reserved NPM Beta-1 exponent, Bits[6:0] 0x7B
0x0806 L NPM Gamma-0 linear, Bits[7:0] 0x9C
0x0807 L NPM Gamma-0 linear, Bits[15:8] 0xFA
0x0808 L Reserved NPM Gamma-1 exponent, Bits[6:0] 0x55
0x0809 L NPM Delta-0 linear, Bits[7:0] 0xEA
0x080A L NPM Delta-0 linear, Bits[15:8] 0xE2
0x080B L Reserved NPM Delta-1 exponent, Bits[6:0] 0x57
0x080C L Base loop
filter
coefficient
set (high
phase
margin)
HPM Alpha-0 linear, Bits[7:0] 0x8C
0x080D L HPM Alpha-0 linear, Bits[15:8] 0xAD
0x080E L Reserved HPM Alpha-1 exponent, Bits[6:0] 0x4C
0x080F L HPM Beta-0 linear, Bits[7:0] 0xF5
0x0810 L HPM Beta-0 linear, Bits[15:8] 0xCB
0x0811 L Reserved HPM Beta-1 exponent, Bits[6:0] 0x73
0x0812 L HPM Gamma-0 linear, Bits[7:0] 0x24
0x0813 L HPM Gamma-0 linear, Bits[15:8] 0xD8
0x0814 L Reserved HPM Gamma-1 exponent, Bits[6:0] 0x59
0x0815 L HPM Delta-0 linear, Bits[7:0] 0xD2
0x0816 L HPM Delta-0 linear, Bits[15:8] 0x8D
0x0817 L Reserved HPM Delta-1 exponent, Bits[6:0] 0x5A
Common Operational Controls
0x0A00 L Global Reserved Soft sync all Calibrate all Power-
down all
0x00
0x0A01 Reference
inputs
Reserved REFD power-
down
REFC power-
down
REFB power-
down
REFA
power-
down
0x00
0x0A02 A Reserved REFD
timeout
REFC
timeout
REFB
timeout
REFA
timeout
0x00
0x0A03
Reserved
REFD fault
REFC fault
REFB fault
REFA fault
0x00
0x0A04 Reserved REFD
monitor
bypass
REFC
monitor
bypass
REFB
monitor
bypass
REFA
monitor
bypass
0x00