Datasheet > ATA5570-TAQY

ATA5570-TAQY

更新时间： 2022-12-19 08:43:46

品牌	Logo	应用领域
爱特美尔 - ATMEL		传感器射频
页数	文件大小	规格书
28页	570K
描述
Multifunctional 330-bit Read/Write RF Sensor Identification IC

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ATA5570-TAQY 数据手册

4.11 Sensor Input

4.12 Memory

Modulated output data stream depends on the state of the sensor input. The data stream is

inverted when external resistance, connected between Sensor input and VSS, is more than

R_S> 100 kΩ (typical). Otherwise, the output data stream is not inverted (“normal”).

The memory is a 330-bit EEPROM, which is arranged in 10 blocks of 33 bits each. All 33 bits of

a block, including the lock bit, are programmed simultaneously.

Block 0 of page 0 contains the mode/configuration data, which is not transmitted during regular-

read operations. Block 7 of page 0 may be used as a write-protection password.

Bit 0 of every block is the lock bit for that block. Once locked, the block (including the lock bit

itself) is not re-programmable through the RF field.

Blocks 1 and 2 of page 1 contain traceability data and are transmitted with the modulation

parameters defined in the configuration register after the opcode “11” is issued by the reader

(Figure 5-6 on page 12). These traceability data blocks are programmed and locked by Atmel.

Figure 4-3. Memory Map

0 1

Block 2

Block 1

Traceability data

Block 7

Block 6

Block 5

Block 4

Block 3

Block 2

Block 1

Block 0

User data or password

User data

Configuration data

32 bits

Not transmitted

ATA5570 [Preliminary]

4863A–RFID–07/05

1...3 4 567 8 9...28

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