ad73460 Analog Devices, Inc., ad73460 Datasheet - Page 15

• Manufacturer Part Number: ad73460
• Description: Six-input Channel Analog Front End
• Manufacturer: Analog Devices, Inc.

REV. A
Address (Binary)
000
001
010
011
100
101
110
111
Control
Bit 15
Bit 14
Bits 13–11 DEVICE ADDRESS
Bits 10–8
Bits 7–0
CONTROL REGISTER A
C/D
15
R/W
14
Frame
CONTROL/DATA
READ/WRITE
REGISTER ADDRESS This 3-bit field is used to select one of the eight control registers on the AD73460.
REGISTER DATA
13
DEVICE ADDRESS
Name
CRA
CRB
CRC
CRD
CRE
CRF
CRG
CRH
12
Bit
0
1
2
3
4
5
6
7
RESET
11
7
Description
When set high, it signifies a control word in Program or Mixed Program/Data Modes. When
set low, it signifies an invalid control word in Program Mode.
When set low, it tells the device that the data field is to be written to the register selected by
the register field setting provided the address field is zero. When set high, it tells the device
that the selected register is to be written to the data field in the serial register and that the new
control word is to be output from the device via the serial output.
This 3-bit field holds the address information. Only when this field is zero is a device selected.
If the address is not zero, it is decremented and the control word is passed out of the device
via the serial output.
This 8-bit field holds the data that is to be written to or read from the selected register pro-
vided the address field is zero.
Name
DATA/PGM
MM
Reserved
SLB
DC0
DC1
DC2
RESET
Description
Control Register A
Control Register B
Control Register C
Control Register D
Control Register E
Control Register F
Control Register G
Control Register H
REGISTER ADDRESS
Table VIII. Control Register A Description
10
DC2
Table VII. Control Word Description
6
Table VI. Control Register Map
9
DC1
5
8
–15–
Must Be Programmed to Zero (0)
Description
Operating Mode (0 = Program; 1 = Data Mode)
Mixed Mode (0 = OFF; 1 = Enabled)
SPORT Loop-Back Mode (0 = OFF; 1 = Enabled)
Device Count (Bit 0)
Device Count (Bit 1)
Device Count (Bit 2)
Software Reset (0 = OFF; 1 = Initiates Reset)
DC0
4
7
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
SLB
3
6
RES
5
2
REGISTER DATA
Width
8
8
8
8
8
8
8
8
4
MM
1
3
DATA/PGM
0
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
Reset Setting (Hex)
2
AD73460
1
0