Product Info

PTR for VHF-4000 and VDL-2000 Data Radios
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©2000 Rockwell Collins, Inc Page 52 of 61
Request
Type
(Bits 31-30)
Sequen
ce
Numbe
r
(Bits
29-28)
Request
Parameters
(Bits 27-9)
Contents
27-25 Reads/Writes):
This word is not provided.
Unused
10
Alignment
Data
00 16-9
20-17
22-21
23
24
25
26
27
If bits 20-17 = 1, 2, 3, 4 or 5 hex:
Alignment Parameter Code (see table of Alignment Parameter Codes below)
If bits 20-17 = B or C:
1st (i.e., most significant) digit of desired Installed Service Bulletin (ISO 5 character)
Otherwise:
Unused
Requested Alignment Operation Code:
0 hex : Mode Change (see Bits 24, 25, 26 and 27)
1 hex : Accept Value as Alignment Working Value
2 hex : Store Alignment Working Value in FLASH
3 hex : Read Alignment Working Value
4 hex : Store TFM Value for Given Temperature Zone in FLASH
5 hex : Read FLASH TFM for Given Temperature Zone
6 hex : Start Duty Cycle Pulse
7 hex : Stop Duty Cycle Pulse
8 hex : Start Single Side Band
9 hex : Stop Single Side Band
A hex : Clear All Archived Fault Records
B hex : Add Installed Service Bulletin
C hex : Remove Installed Service Bulletin
D hex : Spare (Unused)
E hex : Spare (Unused)
F hex : Spare (Unused)
If bits 20-17 = 4 or 5 hex:
Temperature Zone for TFM matrix FLASH storage
Otherwise:
Unused
Unused
Inhibit Tx Timer : 0 = Enable Tx Timeout Timer, 1 = Inhibit Tx Timeout Timer
Inhibit Tx Key : 0 = Enable Transmission on PA, 1 = Inhibit Transmission on PA
Inhibit Transmit Mode : 0 = Enable Transmit Mode, 1 = Inhibit Transmit Mode
Alignment Mode Select : 0 = Normal Operation, 1 = Alignment Request
10
Alignment
Data
01 24-9
27-25
If previous Label 277 word was an Alignment Data Request with a Sequence Number of 00
and a
Requested Alignment Operation Code (bits 20-17) of 1 hex or 4 hex:
Value to use as “Alignment Working Value” or as “TFM for Temp Zone” (bit 9 is LSB)
If previous Label 277 word was an Alignment Data Request with a Sequence Number of 00
and a
Requested Alignment Operation Code (bits 20-17) of B hex or C hex:
2nd (least significant) digit of desired Installed Service Bulletin (ISO 5 char in bits 16-9,
zeros in bits 24-17)
Otherwise : This word is not provided.
Unused
11
Diagnostic
Data
00 14-9
22-15
27-23
Unused
Diagnostic Data Operation Code (see the table of Diagnostic Data Operation Codes below)
Unused
11
Diagnostic
Data
01 24-9
25
27-26
For Diagnostic Data Operation Codes 27h, 28h, & 2Ah - 3Ch : Data to Write (bit 9 is LSB)
For All Other Diagnostic Data Operation Codes : This word is not provided.
Unused
Sync Count (2 LSBs of input word sync count for multiword read operations, starting w/ 00)