Revision History - Texas Instruments TRF7970A Instruction Manual

Multiprotocol fully integrated 13.56-mhz rfid and near field communication (nfc) transceiver ic
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TRF7970A
SLOS743K – AUGUST 2011 – REVISED APRIL 2014

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