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參數資料
| 型號： | TRF7961RHBR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC32 |
| 封裝： | 5 X 5 MM, GREEN, PLASTIC, QFN-32 |
| 文件頁數： | 21/52頁 |
| 文件大小： | 1023K |
| 代理商： | TRF7961RHBR |
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SLOU186F – AUGUST 2006 – REVISED AUGUST 2010
www.ti.com
Table 5-15. TX Timer L-Byte (05h)
Register default is set to 0x00 at POR = H or EN = L and at each write to ISO control register
Bit
Bit Name
Function
Comments
B7
Tm_length7
Timer length MSB
Defines the time when delayed transmission is started.
RX wait range is 590 ns to 9.76 ms (1..16383)
B6
Tm_length6
Timer length
Step size 590 ns
B5
Tm_length5
Timer length
All bits low (00): Timer is disabled.
Preset: 00 all other protocols
B4
Tm_length4
Timer length
B3
Tm_length3
Timer length
B2
Tm_length2
Timer length
B1
Tm_length1
Timer length
B0
Tm_length0
Timer length LSB
Table 5-16. TX Pulse Length Control (06h)
Controls the length of TX pulse
Register default is set to 0x00 at POR = H or EN = L and at each write to ISO control register.
Bit
Bit Name
Function
Comments
B7
Pul_p2
Pulse length MSB
The pulse range is 73.7 ns to 18.8 ms (1…255), step size 73.7 ns
All bits low (00): pulse length control is disabled
B6
Pul_p1
Preset: 9.44 ms ISO15693
B5
Pul_p0
Preset: 11 ms Tag-It
Preset: 2.36 ms ISO14443A
B4
Pul_c4
Preset: 1.4 ms ISO14443A at 212 kbps
B3
Pul_c3
Preset: 737 ns ISO14443A at 424 kbps
Preset: 442 ns ISO14443A at 848 kbps): pulse length control is disabled
B2
Pul_c2
B1
Pul_c1
B0
Pul_c0
Pulse length LSB
Table 5-17. RX No Response Wait Time (07h)
Defines the time when no response Interrupt is sent
Default: default is set to 0x0E at POR = H or EN = L and at each write to ISO control register.
Bit
Bit Name
Function
Comments
B7
NoResp7
No response MSB
Defines the time when no response interrupt is sent It starts from the end of TX EOF.
RX no response wait range is 37.76 ms to 962 8ms (1...255),
B6
NoResp6
Step size 37.76 ms
B5
NoResp5
Preset: 755 ms ISO15693
Preset: 1812 ms ISO15693 low data rate
B4
NoResp4
Preset: 604 ms Tag-It
B3
NoResp3
Preset: 529 ms all other protocols
B2
NoResp2
B1
NoResp1
B0
NoResp0
No response LSB
28
System Description
Copyright 2006–2010, Texas Instruments Incorporated
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