AD9878 Datasheet, PDF (14/36 Pages) Analog Devices – Mixed-Signal Front End for Broadband Applications

AD9878
REGISTER BIT DEFINITIONS
Table 4. Register Map
Address
(Hex) Bit 7
Bit 6 Bit 5
Bit 4
Bit 3
Bit 2 Bit 1
Bit 0
0x00
SDIO
LSB
bidirectional first
Reset
OSCIN multiplier M[4:0]
0x01
PLL lock
detect
MCLK divider R[5:0]
0x02
Power down
PLL
Power
down
DAC
Tx
Power
down
digital
Tx
Power
down
ADC12A
Power down
ADC12B
Power
down
ADC10
Power
down
reference
ADC12A
Power
down
reference
ADC12B
0x03
Video
input
into
ADC12B
Flag 2
Flag 1
Flag 0
enable
0x04
MSB/Flag 0
∑-∆ output control word [7:0]
0x05
0x06
0x07
Video input
enable
Clamp level for video input [6:0]
0x08
ADC clocked
directly from
OSCIN
Rx port
fast
edge
rate
Power
down
RxSYNC
generator
Power down
reference
ADC10
Send
ADC12A
data only
Send
ADC12B
data only
0x09
0x0A
0x0B
0x0C
Version [3:0]
0x0D
Tx frequency tuning word Tx frequency tuning
profile 1 LSB [1:0]
word profile 0 LSBs [1:0]
0x0E
DAC fine gain control [3:0]
0x0F
Tx path
Tx path
Tx
Tx path
Tx path
select
Profile 1
AD8321/AD8323
gain control
mode
path
bypass
sinc^–1
filter
spectral
inversion
transmit
single
tone
0x10
Tx Path Frequency Tuning Word Profile 0 [9:2]
0x11
Tx Path Frequency Tuning Word Profile 0 [17:10]
0x12
Tx Path Frequency Tuning Word Profile 0 [25:18]
0x13
Cable-driver amplifier,
Coarse Gain Control Profile 0 [7:4]
Cable-driver amplifier,
Fine Gain Control Profile 0 [3:0]
0x14
Tx Path Frequency Tuning Word Profile 1 [9:2]
0x15
Tx Path Frequency Tuning Word Profile 1 [17:10]
0x16
Tx Path Frequency Tuning Word Profile 1 [25:18]
0x17
Cable-driver amplifier,
Coarse Gain Control Profile 1 [7:4]
Cable-driver amplifier,
Fine Gain Control Profile 1 [3:0]
Default
(Hex)
0x08
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x80
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
Type
Read/write
Read/write
Read/write
Read/write
Read/write
Read/write
Read only
Read/write
Read/write
Read/write
Read/write
Read/write
Read/write
Read/write
Read/write
Read/write
Read/write
Read/write
Read/write
Read/write
Read/write
Read/write
Read/write
Read/write
Rev. A | Page 14 of 36