ATA5811 ATMEL Corporation, ATA5811 Datasheet - Page 35

• Manufacturer Part Number: ATA5811
• Description: Ata5811 Uhf Ask/fsk Transceiver
• Manufacturer: ATMEL Corporation

9.2
9.3
9.3.1
4689F–RKE–08/06
TX/RX Data Buffer
Control Register
Control Register 1 (ADR 0)
The TX/RX data buffer is used to handle the data transfer during RX and TX operations.
To use the transceiver in different applications it can be configured by a connected microcontrol-
ler via the 4-wire serial interface.
Table 9-1.
Table 9-2.
Table 9-3.
Table 9-4.
Table 9-5.
IR1
IR1
OPM1
0
0
1
1
0
0
1
1
AVCC_EN
0
0
1
1
FS
0
1
0
1
IR0
IR0
0
1
0
1
0
1
0
1
OPM0
Function (RX Mode)
Pin IRQ is set to 1 if 4 received bytes are in the TX/RX data buffer or a receiving error
occurred
Pin IRQ is set to 1 if 8 received bytes are in the TX/RX data buffer or a receiving error
occurred
Pin IRQ is set to 1 if 12 received bytes are in the TX/RX data buffer or a receiving error
occurred (default)
Pin IRQ is set to 1 if a receiving error occurred
Function (TX Mode)
Pin IRQ is set to 1 if 4 bytes still are in the TX/RX data buffer or the TX data buffer is empty
Pin IRQ is set to 1 if 8 bytes still are in the TX/RX data buffer or the TX data buffer is empty
Pin IRQ is set to 1 if 12 bytes still are in the TX/RX data buffer or the TX data buffer is empty
(default)
Pin IRQ is set to 1 if the TX data buffer is empty
Control Register 1 (Function of Bit 7 and Bit 6 in RX Mode)
Control Register 1 (Function of Bit 7 and Bit 6 in TX Mode)
Control Register 1 (Function of Bit 5)
Control Register 1 (Function of Bit 4)
Control Register 1 (Function of Bit 2 and Bit 1)
0
1
0
1
(default)
Enables AVCC, if the ATA5811/
Function
433/868 MHz
315 MHz
Function
Function
Idle mode (default)
TX mode
RX polling mode
RX mode
ATA5812
is in AUX mode
ATA5811/ATA5812
35