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ATA5577M1330C-PP 其他数据使用手册 - ATMEL（爱特美尔）
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ATA5577M1330C-PP数据手册
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ATA5577M1330C-PPMY [DATASHEET]
9333B–RFID–05/14
2
1. Description
The Atmel
®
ATA5577M1330C-PPMY is a contactless read/write identification transponder (IDIC
®
) for applications in the
125kHz frequency band. It consists of a plastic brick which accommodates the read/write IDIC ATA5577M1330C. The
antenna comprises an inductor which in combination of the on-chip capacitor serves as power supply and bi-directional
communication interface.
The on-chip 363-bit EEPROM (11 blocks with 33 bits each) can be read and written block-wise from a base station (reader).
Two dedicated blocks are reserved for setting the IDIC operating modes. Another block may be used for a password to
prevent unauthorized writing.
Data is transmitted from the IDIC (uplink) using load modulation. This is achieved by damping the RF field with a resistive
load. The IC receives and decodes serial base station commands (downlink) which are encoded as 100% amplitude-
modulated (OOK) pulse-interval-encoded bit streams.
Figure 1-1. RFID System Using Atmel ATA5577M1-PPMY Transponder
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