AD9937 Просмотр технического описания (PDF) - Analog Devices
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AD9937 Datasheet PDF : 44 Pages
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AD9937
Addr
Bit
Bit
Breakdown Width
Mode_Reg(0) (11:0)
12
(23:12)
12
(31:24)
8
Mode_Reg(1) (6:0)
7
7
1
8
1
(12:9)
4
13
1
(31:14)
18
Mode_Reg(2) (11:0)
12
(23:12)
12
(31:24)
8
Mode_Reg(3) (11:0)
12
(23:12)
12
(31:24)
8
Mode_Reg(4) (11:0)
12
(22:12)
11
(26:23)
4
(30:27)
4
31
1
Mode_Reg(5) (11:0)
12
(23:12)
12
(31:24)
8
Mode_Reg(6) (11:0)
12
(23:12)
12
(31:24)
8
Mode_Reg(7) (11:0)
12
(23:12)
12
24
1
(31:25)
7
Mode_Reg(8) (11:0)
12
(23:12)
12
24
1
(31:25)
7
Mode_Reg(9) (11:0)
12
(23:12)
12
(31:24)
8
Mode_Reg(10) (11:0)
12
(23:12)
12
(31:24)
8
Mode_Reg(11) (10:0)
11
(21:11)
11
(31:22)
10
Mode_Reg(12) (10:0)
11
(21:11)
11
22
1
(31:23)
9
Mode_Reg(13) (11:0)
12
(23:12)
12
(31:24)
8
Table VI. Mode_B (Addr 0x18)
Register
Default Name
Function
ENDADDRESS Sub Word End Address
STARTADDRESS Sub Word Start Address
MODE_Reg_Addr Mode Register Address (Mode B = Addr 0x18)
0
TGACTLINE
0
TGPATSEL0
1
TGPATSEL1
0x0
TGMASK
1
OFDPATSEL
Unused
TG Active Line
TG1A/B Pattern Selector (0 = TG0, 1 = TG1)
TG3A/B Pattern Selector (0 = TG0, 1 = TG1)
TG Masking Control (1 = Mask)
OFD Pattern Selection (0 = OFD0, 1 = OFD1)
95
HDTOG1
130
HDTOG2
Unused
HD Toggle Position 1
HD Toggle Position 2
830
HDTOG3
865
HDTOG4
Unused
HD Toggle Position 3
HD Toggle Position 4
1559
525
0
4
808
822
1543
1557
1
133
1
825
868
0
HDLASTLEN
VDLEN
VDTOG1
VDTOG2
Unused
CLPOBTOG1
CLPOBTOG2
Unused
CLPOBTOG3
CLPOBTOG4
Unused
HBLKTOG1
HBLKTOG2
H1TOG12POL
Unused
HBLKTOG3
HBLKTOG4
H1TOG34POL
Unused
HD Last Line Length
VD Field Length
VD Toggle Position 1
VD Toggle Position 2
CLPOB Toggle Position 1
CLPOB Toggle Position 2
CLPOB Toggle Position 3
CLPOB Toggle Position 4
HBLK Toggle Position 1
HBLK Toggle Position 2
H1 Polarity between Toggle Positions 1 and 2
HBLK Toggle Position 3
HBLK Toggle Position 4
H1 Polarity between Toggle Positions 3 and 4
6
PBLKTOG1
143
PBLKTOG2
Unused
PBLK Toggle Position 1
PBLK Toggle Position 2
831
PBLKTOG3
878
PBLKTOG4
Unused
PBLK Toggle Position 3
PBLK Toggle Position 4
510
PBLKSTART
6
PBLKSTOP
Unused
PBLK Start Position
PBLK Stop Position
0
HMASKSTART Vertical H Masking Start Position
1
HMASKSTOP
Vertical H Masking Stop Position
0
H1MASKPOL
Masking Polarity for H1 during Vertical Blanking Period
Unused
99
LMSTART0
830
LMSTART1
Unused
LM Counter Start Position 1
LM Counter Start Position 2
–16–
REV. 0
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