AT86RF212-ZU Atmel, AT86RF212-ZU Datasheet - Page 143

• Manufacturer Part Number: AT86RF212-ZU
• Description: IC TXRX ZIGBE/802.15.4/ISM 32QFN
• Manufacturer: Atmel

Specifications of AT86RF212-ZU

• Frequency: 700MHz, 800MHz, 900MHz
• Data Rate - Maximum: 250kbps
• Modulation Or Protocol: 802.15.4 Zigbee, 6LoWPAN, ISM
• Applications: ISM, ZigBee™
• Power - Output: 10dBm
• Sensitivity: -110dBm
• Voltage - Supply: 1.8 V ~ 3.6 V
• Current - Receiving: 9.2mA
• Current - Transmitting: 25mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Number Of Receivers: 1
• Number Of Transmitters: 1
• Wireless Frequency: 769 MHz to 935 MHz
• Interface Type: SPI
• Noise Figure: 7 dB
• Output Power: 21 dB
• Operating Supply Voltage: 1.8 V, 3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Maximum Supply Current: 25 mA
• Minimum Operating Temperature: - 40 C
• Modulation: OQPSK
• Protocol Supported: 802.15.4
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Figure 9-7. TX Power Ramping Control of RF Front-End for 250 kbit/s O-QPSK mode
9.4.3 Register Description
8168C-MCU Wireless-02/10
The start-up sequence of the individual building blocks of the internal transmitter is
shown in Figure 9-7 where transmission is actually initiated by the rising edge of
pin 11 (SLP_TR). The radio transceiver state changes from PLL_ON to BUSY_TX and
the PLL settles to the transmit frequency within 1 symbol period. The modulation starts
1 symbol period after the rising edge of SLP_TR. During this time, the internal PA is
initialized.
The control of the external PA is done via the differential pin pair DIG3/DIG4.
DIG3 = H / DIG4 = L indicates that the transmission starts and can be used to enable
the external PA. The timing of pins DIG3/DIG4 can be adjusted relative to the start of
the frame using register bits PA_LT (register 0x16, RF_CTRL_0). For details, refer to
section 7.3.5.
Register 0x04 (TRX_CTRL_1):
The TRX_CTRL_1 register is a multi purpose register to control various operating
modes and settings of the radio transceiver.
Table 9-14. Register 0x04 (TRX_CTRL_1)
• Bit 7 – PA_EXT_EN
This register bit enables pin 1 (DIG3) and pin 2 (DIG4) to indicate the transmit state of
the radio transceiver.
Bit
Name
Read/Write
Reset Value
Bit
Name
Read/Write
Reset Value
7
PA_EXT_EN
R/W
0
3
SPI_CMD_MODE
R/W
0
6
IRQ_2_EXT_EN
R/W
0
2
SPI_CMD_MODE
R/W
0
5
TX_AUTO_CRC_ON
R/W
1
1
IRQ_MASK_MODE
R/W
0
AT86RF212
4
RX_BL_CTRL
R/W
0
0
IRQ_POLARITY
R/W
0
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