ADF7021-VBCPZ-RL Analog Devices Inc, ADF7021-VBCPZ-RL Datasheet - Page 13

• Manufacturer Part Number: ADF7021-VBCPZ-RL
• Description: Narrow Band Transceiver 433/868/900 MHz
• Manufacturer: Analog Devices Inc

Specifications of ADF7021-VBCPZ-RL

• Frequency: 80MHz ~ 960MHz
• Data Rate - Maximum: 24 kbps
• Modulation Or Protocol: FSK
• Applications: ISM
• Power - Output: 13dBm
• Sensitivity: -125dBm
• Voltage - Supply: 2.3 V ~ 3.6 V
• Current - Receiving: 21.7mA
• Current - Transmitting: 27.1mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-VFQFN, CSP Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

UART/SPI Mode
UART mode is enabled by setting Register 0, Bit DB28 to 1. SPI mode is enabled by setting Register 0, Bit DB28 to 1 and setting Register 15,
Bits[DB19:DB17] to 0x7. The transmit/receive data clock is available on the CLKOUT pin.
(TRANSMIT/RECEIVE DATA
(TRANSMIT/RECEIVE DATA
NOT USED IN UART MODE.)
NOT USED IN UART MODE.)
(RECEIVE DATA OUTPUT
(RECEIVE DATA OUTPUT
(TRANSMIT DATA INPUT
(TRANSMIT DATA INPUT
CLOCK IN SPI MODE.
CLOCK IN SPI MODE.
IN UART/SPI MODE.)
IN UART/SPI MODE.)
IN UART/SPI MODE.)
IN UART/SPI MODE.)
Tx/Rx MODE
Tx/Rx MODE
TxRxDATA
TxRxDATA
CLKOUT
TxRxCLK
CLKOUT
TxRxCLK
Rx BIT
Tx BIT
Figure 8. Transmit Timing Diagram in UART/SPI Mode
Figure 9. Receive Timing Diagram in UART/SPI Mode
FETCH SAMPLE
FETCH SAMPLE
Tx BIT
Rx BIT
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Tx BIT
Rx BIT
HIGH-Z
Rx MODE
Tx MODE
HIGH-Z
Rx BIT
Tx BIT
t
t
BIT
BIT
Tx BIT
Rx BIT
ADF7021-V