User's Manual

TRF7970A
SLOS743K –AUGUST 2011–REVISED APRIL 2014 www.ti.com
2 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision J (February 2014) to Revision K Page
• Changed Figure 1-1 to show 127-byte FIFO...................................................................................... 2
• Moved Section 3 ...................................................................................................................... 5
• Changed title of Section 4 .......................................................................................................... 6
• Changed title of Section 5 ........................................................................................................... 9
• Added ASK/OOK and MOD to V
IL
and V
IH
........................................................................................ 9
• Moved Section 5.3 .................................................................................................................. 10
• Changed V
DD_A
TYP value from 3.5 V to 3.4 V ................................................................................. 10
• Moved Section 5.4 .................................................................................................................. 11
• Added V
(ESD)
MIN values, test specifications, and notes....................................................................... 11
• Changed title of Section 5.5 from Dissipation Ratings to Thermal Characteristics......................................... 11
• Moved Section 5.6 .................................................................................................................. 11
• Changed title of Section 6.......................................................................................................... 12
• Moved previous Section 3, Device Overview, to Section 6.1.................................................................. 12
• Changed from " By default, the AGC is frozen after..." to "By default, the AGC window comparator is set after..." ... 21
• Changed from " TX Pulse Length Control register (0x05)" to "TX Pulse Length Control register (0x06)" ............... 28
• Changed from " 18.8 s" to "18.8 µs" in the sentence that starts with "If the register contains all zeros..."............... 28
• Changed Table 6-18 to match Table 6-43 ....................................................................................... 50
• Changed command 0x18 to "Test internal RF" ................................................................................. 51
• Changed command 0x19 to "Test external RF" ................................................................................ 51
• Moved Section 6.14................................................................................................................. 55
• Changed the sentence that starts "The AGC action is fast..." from "finishes after four subcarrier pulses" to
"finishes within eight subcarrier pulses" ......................................................................................... 64
• Moved Section 7..................................................................................................................... 75
• Deleted previous Section 10, System Design, and moved contents to Section 7.3 through Section 7.5 ............... 77
• Removed references to figure numbers in Figure 7-3.......................................................................... 78
4 Revision History Copyright © 2011–2014, Texas Instruments Incorporated
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