ATA5428-PLQW80 Atmel, ATA5428-PLQW80 Datasheet - Page 63

• Manufacturer Part Number: ATA5428-PLQW80
• Description: RF Transceiver ASK/FSK Transceiver 434 and 868MHz
• Manufacturer: Atmel

Specifications of ATA5428-PLQW80

• Wireless Frequency: 226 KHz, 237 KHz
• Interface Type: 4-Wire SPI
• Noise Figure: 7 dB
• Output Power: 10 dBm
• Operating Supply Voltage: 2.4 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-48
• Maximum Data Rate: 20 Kbps
• Minimum Operating Temperature: - 40 C
• Modulation: ASK, FSK
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 9-11. TX Operation (T_MODE = 0)
4841D–WIRE–10/07
Write Control Register 1
OPM1, OPM0:
N
Command: Delete_IRQ
Pin IRQ = 1 ?
Y
Set IDLE
ATA5423/ATA5425/ATA5428/ATA5429
Write Control Register 6
Baud1, BAUD0:
Lim_max0 to Lim_max5:
Write Control Register 5
Lim_min0 to Lim_min5:
Bit_ck0, Bit_ck1:
Write Control Register 4
XLim:
ASK/_NFSK:
Sleep0 to Sleep4:
XSleep:
Write Control Register 3
FR7, FR8:
VSOUT_EN:
CLK_ON:
Write Control Register 2
FR0 to FR6:
P_mode:
Write Control Register 1
IR1, IR0:
AVCC_EN:
FS:
OPM1, OPM0:
T_mode:
Write TX/RX Data Buffer (max. 16 - number of bytes still
Write TX/RX Data Buffer (max. 16 byte)
N
N
in the TX/RX Data Buffer)
TX more Data
Pin IRQ = 1 ?
Bytes ?
Select an event which activates
an interrupt
Don't care
Select operation frequency
Set OPM1 = 0 and OPM0 = 1
Set T_mode = 0
Y
Y
Select baud rate range
Don't care
Select the baud rate
Don't care
Select the bit rate
Select modulation
Don't care
Don't care
Adjust f
Set VSOUT_EN = 1
Don't care
Adjust f
Enable or disable the
Manchester modulator
RF
RF
Mode (TX)
T
Idle Mode
Idle Mode
TX Mode
Start-up
Startup
= 331.5
T
DCLK
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