ATA5812-PLQ Atmel, ATA5812-PLQ Datasheet - Page 48

• Manufacturer Part Number: ATA5812-PLQ
• Description: IC TXRX UHF ASK/FSK 1CH 48-QFN
• Manufacturer: Atmel

Specifications of ATA5812-PLQ

• Frequency: 315MHz
• Data Rate - Maximum: 20kbps
• Modulation Or Protocol: ASK, FSK
• Applications: Access Control, AMR, RKE
• Sensitivity: -116dBm
• Voltage - Supply: 2.4 V ~ 3.6 V or 4.4 V ~ 6 V
• Current - Receiving: 10.5mA
• Current - Transmitting: 10.5mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-DHVQFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -
• Memory Size: -
• Other names: ATA5812-PLQTR

10.6
10.7
10.8
48
Command: Delete IRQ
Command Structure
4-wire Serial Interface
ATA5811/ATA5812
The delete IRQ command sets pin IRQ to low.
Figure 10-6. Delete IRQ
The three most significant bits of the command (Bit 5 to Bit 7) indicates the command type. Bit 0
to Bit 4 describes the target address when reading or writing a control or status register. In all
other commands Bit 0 to Bit 4 have no effect and should be set to 0 for compatibility reasons
with future products.
Table 10-1.
The 4-wire serial interface consists of the Chip Select (CS), the Serial ClocK (SCK), the Serial
Data Input (SDI_TMDI) and the Serial Data Output (SDO_TMDO). Data is transmitted/received
bit by bit in synchronization with the serial clock.
Note:
When CS is low and the transparent mode is inactive (T_MODE = 0), SDO_TMDO is in a
high-impedance state. When CS is low and the transparent mode is active (T_MODE = 1), the
RX data stream is available on pin SDO_TMDO.
Read TX/RX data buffer
Write TX/RX data buffer
Read control/status register
Write control register
OFF command
Delete IRQ
Not used
Not used
If the output level on pin N_RESET is low, no data communication with the microcontroller is
possible.
Command
Command Structure
SDO_TMDO
SDI_TMDI
MSB
Bit 7
0
0
0
0
1
1
1
1
SCK
CS
Bit 6
0
0
1
1
0
0
1
1
MSB
Nr. Bytes in the TX/RX Data Buffer
Command: Delete IRQ
Bit 5
0
1
0
1
0
1
0
1
Bit 4
A4
A4
X
X
X
X
x
x
LSB
Bit 3
A3
A3
X
X
X
X
x
x
Bit 2
A2
A2
X
X
X
X
x
x
Bit 1
4689F–RKE–08/06
A1
A1
X
X
X
X
x
x
Bit 0
LSB
A0
A0
X
X
X
X
x
x