收藏本站
TRF7970A
SLOS743K – AUGUST 2011 – REVISED APRIL 2014
6.14.3.2 Control Registers – Sub Level Configuration Registers
6.14.3.2.1 ISO14443 TX Options Register (0x02)
Table 6-29. ISO14443 TX Options Register (0x02)
Function: Selects the ISO subsets for ISO14443 – TX
Default: 0x00 at POR = H or EN = L
www.ti.com
Bit
B7
B6
B5
B4
B3
B2
Name
egt2
egt1
egt0
eof_l0
sof_l1
sof _l0
Function
TX EGT time select MSB
TX EGT time select
TX EGT time select LSB
1 = EOF → 0 length 11 etu
0 = EOF → 0 length 10 etu
1 = SOF → 1 length 03 etu
0 = SOF → 1 length 02 etu
1 = SOF → 0 length 11 etu
0 = SOF → 0 length 10 etu
Description
Three bit code defines the number of etu (0-7) which separate two characters.
ISO14443B TX only.
ISO14443B TX only
1 = EGT after each byte
B1
l_egt
0 = EGT after last byte is
omitted
1 = ISO14443A Layer 4
B0
Auto SDD_SAK
compliant (in SAK
response)
0 = Not Layer 4 compliant
For use with Auto SDD configuration, makes B6 in ISO14443A response 1 or 0,
indicating Layer 4 compliance (or not), for all other cases, this bit is unused
(in SAK response)
6.14.3.2.2 ISO14443 High-Bit-Rate and Parity Options Register (0x03)
Table 6-30. ISO14443 High-Bit-Rate and Parity Options Register (0x03)
Function: Selects the ISO subsets for ISO14443 – TX
Default: 0x00 at POR = H or EN = L, and at each write to ISO Control register
Bit
B7
Name
dif_tx_br
Function
TX bit rate different from RX
bit rate enable
Description
Valid for ISO14443A/B high bit rate
B6
tx_br1
tx_br1 = 0, tx_br
=0 →
106 kbps
B5
tx_br0
TX bit rate
tx_br1 = 0, tx_br
tx_br1 = 1, tx_br
tx_br1 = 1, tx_br
=1 →
=0 →
=1 →
212 kbps
424 kbps
848 kbps
58
B4
B3
B2
B1
B0
parity-2tx
parity-2rx
Detailed Description
1 = parity odd except last
byte which is even for TX
1 = parity odd except last
byte which is even for RX
For 14443A high bit rate, coding and decoding
Unused
Unused
Unused
Copyright ? 2011–2014, Texas Instruments Incorporated
Submit Documentation Feedback
Product Folder Links: TRF7970A
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
TRM-418-LT TRANSCEIVER RF 418MHZ LT SERIES
TRM-900-NT RF TXRX 915MHZ NT SERIES
TRX08GVP2540 TXRX OPT SCFF 8.5GB/S 850NM
TS-320240BRNO TCH PANEL 140X104 RESISTIVE MONO
TS-TFT3.5Z TOUCH PANEL 140X1.4.0 TFT
TS3-75B3 SENSOR THERMAL MOXIE NTC 75C
TSL26711FN IC PROXIMITY DETECTOR 6-DFN
TSOP57238TT1 IC IR RCVR MODULE 38KHZ
相关代理商/技术参数
TRF7970ARHBR 功能描述:IC RFID/NFC AFE 13.56MHZ 32QFN RoHS:是 类别:RF/IF 和 RFID >> RFID IC 系列:- 其它有关文件:CR14 View All Specifications 标准包装:1 系列:- RF 型:收发器 频率:13.56MHz 特点:ISO14443-B 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SO 包装:Digi-Reel® 其它名称:497-5719-6
TRF7970ARHBT 功能描述:IC RFID/NFC AFE 13.56MHZ 32QFN RoHS:是 类别:RF/IF 和 RFID >> RFID IC 系列:- 其它有关文件:CR14 View All Specifications 标准包装:1 系列:- RF 型:收发器 频率:13.56MHz 特点:ISO14443-B 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SO 包装:Digi-Reel® 其它名称:497-5719-6
TRF7970ATB 功能描述:RFID应答器 TRF7970A Target Brd RoHS:否 制造商:Murata 存储容量:512 bit 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel
TRF79A6AA17LB000 制造商:Opnext 功能描述:XFP FORM FACTOR - Boxed Product (Development Kits)
TRF79A6AA18LB000 制造商:Opnext 功能描述:XFP FORM FACTOR - Boxed Product (Development Kits)
TRF79A6AA19LB000 制造商:Opnext 功能描述:XFP FORM FACTOR - Boxed Product (Development Kits)
TRF79A6AA20LB000 制造商:Opnext 功能描述:XFP FORM FACTOR - Boxed Product (Development Kits)
TRF79A6AA21LB000 制造商:Opnext 功能描述:XFP FORM FACTOR - Boxed Product (Development Kits)