ATA5423_06 ATMEL [ATMEL Corporation], ATA5423_06 Datasheet - Page 38
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ATA5423_06
Manufacturer Part Number
ATA5423_06
Description
UHF ASK/FSK Transceiver
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.ATA5423_06.pdf
(100 pages)
- Current page: 38 of 100
- Download datasheet (2Mb)
7.3
7.3.1
38
Control Register
ATA5423/25/28/29
Control Register 1 (ADR 0)
To use the transceiver in different applications, it can be configured by a connected microcon-
troller via the 4-wire serial interface.
Table 7-1.
Table 7-2.
Table 7-3.
Table 7-4.
Table 7-5.
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 remain in the TX/RX data buffer or the TX data buffer is empty
Pin IRQ is set to “1” if 8 bytes remain in the TX/RX data buffer or the TX data buffer is empty
Pin IRQ is set to “1” if 12 bytes remain 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 ATA5423/ATA5425 is in AUX mode
Selected frequency 345/433/868/915 MHz (default)
Selected frequency 315 MHz
Function
Function (RX Mode, TX Mode)
Function
IDLE mode (default)
TX mode
RX polling mode
RX mode
4841C–WIRE–05/06
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