Data Sheet
AD9670
Addr.
(Hex)
Default
Bit 0 (LSB) Value
Register Name
Bit 7 (MSB) Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Comments
0x187 RESERVED_187
0x188 START_CODE_EN
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0x20
Reserved.
Start code 0x01
identifier
Enables start code
identifier (global).
0 = disable
1 = enable
(default)
0x189 RESERVED_189
0x18A RESERVED_18A
0
0
0
0
0
0
0
0
0
0x00
0x00
0x27
Reserved.
Reserved.
0
0
0
0
0
0
0
0x18B START_CODE_MSB B15
B14
B13
B12
B11
B10
B9
B8
Start code MSB
(global).
0x18C START_CODE_LSB
B7
B6
B5
B4
B3
B2
B1
B0
0x72
Start code LSB
(global).
0x190 RESERVED_190
0x191 RESERVED_191
0x192 RESERVED_192
0x193 RESERVED_193
0x194 RESERVED_194
0x195 RESERVED_195
0x196 RESERVED_196
0x197 RESERVED_197
0x198 CLOCK_DOUBLING
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
0
0
0
1
0
1
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0x10
0x00
0x18
0x00
0x1C
0x00
0x18
0x00
0x00
Reserved.
Reserved.
Reserved.
Reserved.
Reserved.
Reserved.
Reserved.
Reserved.
DCO frequency doubling/divider
1011 = 1/32
1010 = 1/64
1001 = 1/128
1000 = 1/256
0000 = 1 (default)
0001 = 2
DCO frequency
control (global).
0010 = 4
0011 = 8
0100 = 16
0101 = 32
0110 = 64
0111 = 128
1000 = 1/256
1001 = 1/128
1010 = 1/64
1011 = 1/32
1100 = 1/16
1101 = 1/8
1110 = ¼
1111 = ½
0x199 SAMPLE_CLOCK_
COUNTER
Enable
0
0
0
0
0
0
0
0x00
Enables automatic
clocks per sample
calculation (global).
clocks per
sample
auto
calculation
0 = off
(default)
1 = on
0x19A DATA_OUTPUT_
INVERT
X
X
X
X
X
X
X
Invert data 0x00
output
0 = non-
inverted
(default)
1 =
Inverts DOUT
outputs (global).
inverted
0x19B SERIAL_FORMAT
X
Enable
FCO for
start code extra
sample
0 =
disable
1 =
enable
(default)
Enable
FCO for
Enable
FCO rotate
0x70
FCO controls
(global).
FCO con-
tinuously
0 = only
during
0000 = FCO aligned with DOUT
0001 = FCO 1 bit before DOUT
0010 = FCO 2 bits before DOUT
…
1101 = FCO 3 bits after DOUT
1110 = FCO 2 bits after DOUT
1111 = FCO 1 bit after DOUT
sample at
end of
burst
0 = disable 1 = con-
1 = enable tinuous
(default)
burst
(default)
0x19C RESERVED_19C
0x19D RESERVED_19D
0x19E RESERVED_19E
0x19F RESERVED_19F
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0x10
0x00
0x10
0x00
Reserved.
Reserved.
Reserved.
Reserved.
Rev. A | Page 49 of 52