參數(shù)資料
型號(hào)： TRF7961RHBR
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQCC32
封裝： 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁(yè)數(shù)： 16/52頁(yè)
文件大?。?/td> 1023K
代理商： TRF7961RHBR
Mode 2: Full ISO With Framing and Error Checking (Typical Mode)
AnalogFrontEnd(AFE)
Packetization/Framing
14443A
14443B
15693
Tag-it
ISOEncoder/Decoders
Mode0:
Raw,Sub-CarrierData
Mode1:
Un-FramedRawISO
FormattedData
www.ti.com
SLOU186F – AUGUST 2006 – REVISED AUGUST 2010
Figure 5-4. User-Configurable Modes
5.2.5
Register Preset
After power-up and the EN pin low-to-high transition, the reader is in the default mode. The default
configuration is ISO15693, single sub-carrier, high data rate, 1-out-of-4 operation. The low-level option
registers (02…0B) are automatically set to adapt the circuitry optimally to the appropriate protocol
parameters.
When entering another protocol (writing to the ISO control register 01), the low-level option registers
(02…0B) are automatically configured to the new protocol parameters.
After selecting the protocol, it is possible to change some low-level register contents if needed. However,
changing to another protocol and then back, reloads the default settings, and the user must reload the
custom settings.
The Clo1 and Clo0 (register 09) bits, which define the microcontroller frequency available on the
SYS_CLK pin, are the only two bits in the configuration registers that are not cleared during protocol
selection.
Copyright 2006–2010, Texas Instruments Incorporated
System Description
23
Product Folder Link(s): TRF7960 TRF7961
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