APPLICATION NOTE Replacing ATA5567/T5557/TK5551 with ATA5577 ATA5577 The ATA5577 is designed to be backwards compatible with the existing versions ATA5567/T5557 and TK5551 (most common modes). It offers the customer an improved R/W performance and enables more flexibility for advanced applications by using the features of the Analog Front-End (AFE) option register. In the initial state from production the AFE features of the ATA8888 are set to default values, making the ATA5577 performing similar to ATA5567, T5552 and TK5551. 4991B-RFID-05/15 Figure 1. ATA5577 Analog Front-End (AFE) Block 0, Page 1 Initial Configuration MSB LSB 0 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Reserved 0 9 Downlink Protocol Lock Bit 0 8 Demodulation Delay Function 0 0 7 Write Damping 0 6 Gap Detection threshold 0 5 Option Key Content BIN 4 Clock Detection threshold 0 Content HEX 0 3 Modulation Voltage 2 Clamp Voltage 1 Soft Modulation Trans.-Order Compatibility check: The ATA5577 compatibility was checked using the ATAk2270 RFID kit for the operation modes supported by the kit: ● Standard write ● ● ● ● Protected write Answer-ON-Request (AOR) Direct access Standard read page 0/1 for RF/32, Manchester and Biphase Both tag version ATA5567/T5557/Tk5551 and ATA5577 have the same initial configuration for block 0 after leaving production. Please consider that the operation mode for replacing, specified by block 0 set, is differently named in the datasheets of these transponder types. For ATA5577 the setting is called “Basic Mode” For ATA5567/T5557/TK5551 the setting is called “Compatible Mode” Most of existing applications with the older versions can easily be replaced by ATA5577. But, there are some functional differences which may restrict the replacement for special applications. Note: For any further questions about functional differences as listed by Table 1, please contact our local Atmel® sales office or distributor. Table 1. Functional Differences within Basic Mode Transponder Type Function 2 ATA5577/ATA5567/T5557 TK5551/T5551 Sequence terminator at Maxblock = 0 No Yes Block terminator No Yes Stop Mode command No Yes Block-read Mode (direct access) with terminator Yes No Modulation stage One Two After programming Enters Block-read Mode Enters Regular-read Mode After reset or direct access Precedes a “0” bit once Precedes no bit Replacing ATA5567/T5557/TK5551 with ATA5577 [APPLICATION NOTE] 4991B–RFID–05/15 0 Differences in configuration (Table 1 on page 2 position 1 to 4) are performed in detail by block 0 setting Figure 2 and Figure 3. For replacement, ATA5577 needs to be operated in Basic Mode, therefore X-mode (bit 15) and OTP (bit 24) of configuration block 0 have to be “0” (see Figure 2 and Figure 3 on page 4). Figure 2. ATA5577/ATA5567/T5557 Block 0 Initial Configuration Setting MSB 0 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 0 0 0 0 0 Safer Key 0 Anwer-ON-Request mode Password mode Sequence Start Terminator Bit Rate PSK Clock Frequency see Maxblock Feature do not use Bit 15 has to be “0” Bit 24 has to be “0” RF/8 RF/16 RF/32 RF/40 RF/50 RF/64 RF/100 RF/128 (active “1”) (active “1”) (active “1”) (active “1”) 0 1 0 Data Bit Rate Reserved never transmitted Lock Bit AOR PWD SST BR PSKCF MAXBLK Reserved X-Mode OTP 8 0 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 8 0 0 1 0 0 0 0 0 0 Modulation 0 1 0 1 0 1 0 1 4 0 0 0 0 0 0 0 1 1 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 1 1 1 0 0 0 0 0 1 1 0 0 1 1 0 0 0 0 1 0 1 0 1 0 1 0 0 0 0 1 0 1 1 0 0 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 0 0 0 0 0 POR-Delay 0 9 Fast Write 0 8 Inverse DATA 0 0 7 PWD 6 SST-Term. 5 MAXBLK 0 4 OTP Function 0 3 AOR 0 2 PSKCF 0 BIN LSB 1 X-Mode HEX Lock Bit Trans.-Order trans. block no. 0 trans. block no. 1 trans. block no. 1 to 2 trans. block no. 1 to 3 trans. block no. 1 to 4 trans. block no. 1 to 5 trans. block no. 1 to 6 trans. block no. 1 to 7 PSK-sub carrier frequency RF/2 PSK-sub carrier frequency RF/4 PSK-sub carrier frequency RF/8 reserved direct PSK1 (phase change when input changes) PSK2 (phase change on bit clk if input high) PSK3 (phase change on rising edge of input) FSK1 RF/8 RF/5 FSK2 RF/8 RF/10 FSK1a RF/5 RF/8 FSK2a RF/10 RF/8 Manchester Biphase Reserved Replacing ATA5567/T5557/TK5551 with ATA5577 [APPLICATION NOTE] 4991B–RFID–05/15 3 Figure 3. TK5551 Block 0 Initial Configuration Setting MSB LSB 0 0 0 0 0 1 0 8 0 0 1 0 0 0 0 0 0 4 0 0 never transmitted Lock Bit STOP AOR PWD BT ST BR MS1 MS2 PSKCF MAXBLK Reserved *) Fixed 0 0 0 0 1 1 1 1 (active “1”) Stop mode (active “0”) Anwer-ON-Request mode (active “1”) Password mode (active “1”) Block Terminator (active “1”) Sequence Terminator (active “1”) Bit Rate Modulator Stage 1 Modulator Stage 2 PSK Clock Frequency see Maxblock Feature do not use Bit 15 and 24 have to be “0” otherwise malfunction will appear 0 0 1 1 0 0 1 1 0 0 0 0 1 1 1 1 4 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 0 0 0 0 0 trans. block no. 0 trans. block no. 1 trans. block no. 1 to 2 trans. block no. 1 to 3 trans. block no. 1 to 4 trans. block no. 1 to 5 trans. block no. 1 to 6 trans. block no. 1 to 7 PSK-sub carrier frequency RF/2 PSK-sub carrier frequency RF/4 PSK-sub carrier frequency RF/8 reserved 0 0 0 0 0 0 1 1 0 1 0 1 direct PSK1 (phase change when input changes) PSK2 (phase change on bit clk if input high) PSK3 (phase change on rising edge of input) mode logical ”1” logical “0” 1 1 1 1 0 0 1 1 0 1 0 1 FSK1 FSK2 FSK1a FSK2a direct Manchester Biphase Reserved RF/8 RF/16 RF/32 RF/40 RF/50 RF/64 RF/100 RF/128 Replacing ATA5567/T5557/TK5551 with ATA5577 [APPLICATION NOTE] 4991B–RFID–05/15 0 Reserved Auxiliary Header E6 8 0 BT 0 STOP 6 ST 0 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 PWD 0 9 MAXBLK Lock Bit 0 8 AOR Function 0 E 7 *) Fixed 0 6 PSKCF 0 5 MS2 Content BIN 4 MS1 0 Content HEX 0 3 *) Fixed 2 BR 1 Reserved Trans.-Order RF/8 RF/8 RF/5 RF/10 RF/5 RF/10 RF/8 RF/8 1. Revision History Please note that the following page numbers referred to in this section refer to the specific revision mentioned, not to this document. Revision No. History 4991B-RFID-05/15 Put document in the latest template Replacing ATA5567/T5557/TK5551 with ATA5577 [APPLICATION NOTE] 4991B–RFID–05/15 5 XXXXXX Atmel Corporation 1600 Technology Drive, San Jose, CA 95110 USA T: (+1)(408) 441.0311 F: (+1)(408) 436.4200 | www.atmel.com © 2015 Atmel Corporation. / Rev.: 4991B–RFID–05/15 Atmel®, Atmel logo and combinations thereof, Enabling Unlimited Possibilities®, and others are registered trademarks or trademarks of Atmel Corporation in U.S. and other countries. Other terms and product names may be trademarks of others. DISCLAIMER: The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with the sale of Atmel products. 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