AM79Q02JC AMD (ADVANCED MICRO DEVICES), AM79Q02JC Datasheet - Page 43

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AM79Q02JC

Manufacturer Part Number
AM79Q02JC
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet

Specifications of AM79Q02JC

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16, 17. Read Real-Time Data Register
18, 19. Write/Read AISN and Analog Gains
(4D/4Fh)
C = 0: Do not clear interrupt
C = 1: Clear interrupt
This register writes/reads real-time data with or without clearing the interrupt.
(50/51h)
R/W = 0: Write
R/W = 1: Read
Real Time Data
This command does not depend on the state of the Channel Enable Register.
RSVD
Transmit Analog Gain
Receive Analog Loss
AISN coefficient
* Power Up and Hardware Reset (
Command
Output Data
Command
I/O Data
CDA1
CDB1
CDA2
CDB2
CDA3
CDB3
CDA4
CDB4
Reserved for future use. Always write as 0, but 0 is not guaranteed when read.
AX = 0*
AX = 1
AR = 0*
AR = 1
AISN = 0* – 31
The Impedance Scaling Network (AISN) gain can be varied from –0.9375 to 0.9375
in multiples of 0.0625. The gain coefficient is decoded using the following equation:
where h
Loopback mode and a value of AISN = 0000* indicates a gain of 0 (cutoff).
h
AISN
=
AISN
0.0625
is the gain of the AISN. A value of AISN = 10000 turns on the Full Digital
16 AISN4
SLAC Products
Debounced data bit 1 on Channel 1
Data bit 2 or multiplexed data bit 1 on Channel 1
Debounced data bit 1 on Channel 2
Data bit 2 or multiplexed data bit 1 on Channel 2
Debounced data bit 1 on Channel 3
Data bit 2 or multiplexed data bit 1 on Channel 3
Debounced data bit 1 on Channel 4
Data bit 2 or multiplexed data bit 1 on Channel 4
0 dB gain
6.02 dB gain
0 dB loss
6.02 dB loss
See below (Default value = 0)
CDB4
RSVD
D
0
D
7
0
7
RST
CDA4
) Value = 00h.
+
D
1
AX
D
6
8 AISN3
1
6
CDB3
D
0
AR
D
5
0
5
+
4 AISN2
CDA3
AISN4
D
0
D
4
1
4
CDB2
AISN3
D
+
1
D
3
0
2 AISN1
3
CDA2
AISN2
D
1
D
2
0
2
MPI Command
MPI Command
+
CDB1
AISN0
AISN1
D
C
D
1
0
1
CDA1
AISN0
D
R/W
1
16
D
0
0
43

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