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PDF ATA5575M2 Data sheet ( Hoja de datos )
| Número de pieza | ATA5575M2 | |
| Descripción | Read/Write LF RFID IDIC 100kHz to 150kHz | |
| Fabricantes | ATMEL Corporation | |
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ATA5575M2
Read/Write LF RFID IDIC 100kHz to 150kHz
DATASHEET
Features
● Contactless power supply
● Contactless read/write data transmission
● Radio frequency fRF from 100kHz to 150kHz
● 128-bit EEPROM user memory: 16 Bytes (8 Bits each)
● 8-bit configuration memory
● High Q-antenna tolerance due to built-in options
● Applications
● Animal ID, waste management, industrial identification
● ISO/IEC 11784/785 compatibility
● FDX-A
● FDX-B
● On-chip trimmed antenna capacitor
● 330pF ±3%
● 250pF ±3%
● Mega pads 200µm x 400µm
● Mega pads 200µm x 400µm with 25µm gold bumps for direct coil bonding
● Other options:
● Direct access mode
● OTP functionality
9217F-RFID-12/14
1 page  
5. Operating the Atmel ATA5575M2
5.1 Configuration
The Atmel® ATA5575M2 is mainly designed for ISO11784/11785 applications. It supports FDX-A and FDX-B mode (see also
Figure 7-1 on page 14 for the structure of a FDX-B telegram typically used for animal ID applications). The configuration
register, byte 16, enables the customer to configure the chip according to the individual application.
In delivery state the default configuration is memory reprogrammable, read user data in diff. biphase RF/32 and ID length
128 bit which leads to the byte value '00001001b'.
Table 5-1. Atmel ATA5575M2: Byte 16 Configuration Register Mapping
12345678
0
ID Length
0 64 bits (96 bits for FSK2 RF/50 coding (2))
1 128 bits 1)
Modulation
0 Differential bi-phase RF/32 (1)
1 FSK2 RF/50 (2)
Fixed ‘0’
Lock-bits
0 0 0 0 1 Memory reprogrammable
0 1 1 0 1 Memory locked
- otherwise -
unassigned
Bit 6 must always be at '0', otherwise a malfunction will appear
Notes: 1. Setting for ISO 11785 FDX-B
2. Setting for ISO 11785 FDX-A
5.1.1
Lock-bits
The lock bits of the Configuration register are the bits 1 to 5 of the configuration byte and are able to prevent the whole
memory of the Atmel ATA5575M2 from reprogramming.
As long as the lock bits are set to '00000b' the memory is alterable and the device can be programmed by the customer. In
this case the Atmel ATA5575M2 sends out dummy data (all digits set to '0' in the programmed modulation scheme; see
Section 5.3.3 “Dummy Data” on page 7) after Reset.
If the lock bits are set to '00001b' the memory is still alterable but in difference to the first option the Atmel ATA5575M2 sends
out the programmed user data in the modulation scheme defined with bit 7.
By setting the lock bits to '01101b' the whole memory is locked and cannot be altered. After Reset the Atmel ATA5575M2
enters regular-read mode and sends out the programmed user data in the configured way.
All other combinations of bit 1 - bit 5 are not defined and may lead to malfunction of the IC.
ATA5575M2 [DATASHEET]
9217F–RFID–12/14
5
5 Page 
Figure 6-1. Atmel ATA5575M2 Functional Diagram
Power-on reset
Set-up modes
Read ID
Reset
Modulation
defeat
Regular-read mode /
Read dummy data
Byte-read mode
Gap
Start
Gap
gap
Read ID
Command mode
Read upper bytes
OP(11) Read upper bytes
OP (00)
Command decode
OP(10) Read ID
OP(10) Direct access
Write
OP(1p)
Write
Check Number of bits
fail data = unchanged
fail data = unchanged
Check Write protection
Data verification failed
Program and verify
ok data = new
ATA5575M2 [DATASHEET]
9217F–RFID–12/14
11
11 Page | ||
| Páginas | Total 26 Páginas | |
| PDF Descargar | [ Datasheet ATA5575M2.PDF ] | |
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