ATA5423_06 ATMEL [ATMEL Corporation], ATA5423_06 Datasheet - Page 37

• Manufacturer Part Number: ATA5423_06
• Description: UHF ASK/FSK Transceiver
• Manufacturer: ATMEL [ATMEL Corporation]

7.2
4841C–WIRE–05/06
TX/RX Data Buffer
After the transceiver is turned on via pin PWR_ON = High, T1 = Low, T2 = Low, T3 = Low,
T4 = Low or T5 = Low or the voltage at pin VAUX V
are in the default state.
Figure 7-1.
The TX/RX data buffer is used to handle the data transfer during RX and TX operations.
Baud 1 Baud 0
BitChk
MSB
NFSK
FR12
ASK/
FR6
ST5
IR1
1
-
BitChk
FR11
Register Structure
Sleep
FR5
ST4
IR0
0
-
4
AVCC
FR10
max5
Sleep
Lim_
min5
Lim_
FR4
ST3
_EN
-
3
max4
Sleep
Lim_
min4
Lim_
FR3
FR9
ST2
FS
-
2
max3
Sleep
Lim_
min3
Lim_
FR2
FR8
ST1
-
1
Power
OPM1
max2
Sleep
Lim_
min2
Lim_
FR1
FR7
_On
0
XSleep
OPM0
max1
Low_
VSO
Lim_
min1
Lim_
FR0
UT_
Batt
EN
MODE
MODE
VAUX
CLK_
max0
P_On
LSB
XLim
_Aux
Lim_
min0
Lim_
ON
T_
P_
> 3.5V (typically), the control registers
ATA5423/25/28/29
Status Register (ADR 8)
TX/RX Data Buffer:
Control Register 1 (ADR 0)
Control Register 2 (ADR 1)
Control Register 3 (ADR 2)
Control Register 4 (ADR 3)
Control Register 5 (ADR 4)
Control Register 6 (ADR 5)
16 × 8 Bit
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