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| 型号： | TRF7970AEVM |
| 厂商： | Texas Instruments |
| 文件页数： | 4/85页 |
| 文件大小： | 0K |
| 描述： | EVAL MODULE FOR TRF7970A |
| 标准包装： | 1 |
| 类型： | 近距离无线通信 |
| 频率： | 13.56MHz |
| 适用于相关产品： | TRF7970A |
| 已供物品： | 板，应答器 |
| 其它名称： | 296-29475 |
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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
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Changed Figure 1-1 to show 127-byte FIFO ...................................................................................... 2
Moved Section 3 ...................................................................................................................... 5
Changed title of Section 4 .......................................................................................................... 5
Changed title of Section 5 ........................................................................................................... 8
Added ASK/OOK and MOD to V IL and V IH ........................................................................................ 8
Moved Section 5.3 .................................................................................................................... 9
Changed V DD_A TYP value from 3.5 V to 3.4 V .................................................................................. 9
Moved Section 5.4 .................................................................................................................. 10
Added V (ESD) MIN values, test specifications, and notes ....................................................................... 10
Changed title of Section 5.5 from Dissipation Ratings to Thermal Characteristics ......................................... 10
Moved Section 5.6 .................................................................................................................. 10
Changed title of Section 6 .......................................................................................................... 11
Moved previous Section 3, Device Overview, to Section 6.1 .................................................................. 11
Changed from "By default, the AGC is frozen after..." to "By default, the AGC window comparator is set after..." ... 20
Changed from "TX Pulse Length Control register (0x05)" to "TX Pulse Length Control register (0x06)" ............... 27
Changed from "18.8 s" to "18.8 μs" in the sentence that starts with "If the register contains all zeros..." ............... 27
Changed Table 6-18 to match Table 6-43 ....................................................................................... 49
Changed command 0x18 to "Test internal RF" ................................................................................. 50
Changed command 0x19 to "Test external RF" ................................................................................ 50
Moved Section 6.14 ................................................................................................................. 54
Changed the sentence that starts "The AGC action is fast..." from "finishes after four subcarrier pulses" to
"finishes within eight subcarrier pulses" ......................................................................................... 63
Moved Section 7 ..................................................................................................................... 74
Deleted previous Section 10, System Design, and moved contents to Section 7.3 through Section 7.5 ............... 76
Removed references to figure numbers in Figure 7-3 .......................................................................... 77
4
Revision History
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Copyright ? 2011–2014, Texas Instruments Incorporated
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