ATA5811_06 ATMEL [ATMEL Corporation], ATA5811_06 Datasheet - Page 47

• Manufacturer Part Number: ATA5811_06
• Description: UHF ASK/FSK TRANSCEIVER
• Manufacturer: ATMEL [ATMEL Corporation]

10.3
Figure 10-3. Read Control/Status Register
10.4
Figure 10-4. Write Control Register
10.5
4689F–RKE–08/06
Command: Read Control/Status Register
Command: Write Control Register
Command: OFF Command
SDO_TMDO
SDO_TMDO
SDI_TMDI
SDI_TMDI
SCK
SCK
CS
CS
Command: Write Control Register X
MSB
Nr. Bytes in the TX/RX Data Buffer
MSB
Nr. Bytes in the TX/RX Data Buffer
Command: Read C/S Register X
The control and status registers can be read individually or successively.
The control registers can be written individually or successively. An echo of the command and
the data bytes are provided for the microcontroller on pin SDO_TMDO.
If AVCC_EN in control register 1 is 0, the input level on pin PWR_ON is low and on the key
inputs Tn is high, the OFF command sets the transceiver in the OFF mode.
Figure 10-5. OFF Command
LSB
LSB
MSB
MSB
Command: Read C/S Register Y
Write Control Register X
Data Control Register X
Data C/S Register X
SDO_TMDO
SDI_TMDI
SCK
CS
LSB
LSB
MSB
Nr. Bytes in the TX/RX Data Buffer
Command: OFF Command
Command: Write Control Register Y
MSB
MSB
Command: Read C/S Register Z
Data Control Register X
Data C/S Register Y
ATA5811/ATA5812
LSB
LSB
LSB
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