ata5428 ATMEL Corporation, ata5428 Datasheet - Page 39

• Manufacturer Part Number: ata5428
• Description: Uhf Ask/fsk Transceiver
• Manufacturer: ATMEL Corporation

7.3.2
4841D–WIRE–10/07
Control Register 2 (ADR 1)
Table 7-6.
Table 7-7.
Table 7-8.
Table 7-9.
Note:
FR6
2
P_MODE
P_MODE
T_MODE
0
0
1
1
.
.
6
0
1
0
1
0
1
Tuning of f
approximately 800 Hz (see section “XTO”,
FR5
2
0
0
0
1
.
.
5
Control Register 1 (Function of Bit 0)
Control Register 2 (Function of Bit 7, Bit 6, Bit 5, Bit 4, Bit 3, Bit 2 and Bit 1)
Control Register 2 (Function of Bit 0 in RX Mode)
Control Register 2 (Function of Bit 0 in TX Mode)
TX and RX function via TX/RX data buffer (default)
Transparent mode, TX/RX data buffer disabled, TX modulation data stream via pin
SDI_TMDI, RX modulation data stream via pin SDO_TMDO
Function (RX Mode)
Pin IRQ is set to “1” if the bit check is successful (default)
No effect on pin IRQ if the bit check is successful
Function (TX Mode)
Manchester modulator on (default)
Manchester modulator off (NRZ mode)
Function
RF
FR4
LSBs (total 13 bits), frequency trimming resolution of f
2
0
0
1
1
.
.
4
ATA5423/ATA5425/ATA5428/ATA5429
FR3
2
0
0
1
1
.
.
3
FR2
2
0
0
0
1
.
.
2
Table 4-1 on page
FR1
2
0
0
0
1
.
.
1
FR0
2
0
1
0
1
.
.
0
Function
FREQ2 = 0
FREQ2 = 1
FREQ2 = 88 (default)
FREQ2 = 127
28)
RF
is f
XTO
/16384, which is
39