MRF49XA-I/ST Microchip Technology, MRF49XA-I/ST Datasheet - Page 67

• Manufacturer Part Number: MRF49XA-I/ST
• Description: IC RF TXRX 433/868/915 16-TSSOP
• Manufacturer: Microchip Technology

Specifications of MRF49XA-I/ST

• Package / Case: 16-TSSOP
• Frequency: 433MHz, 868MHz, 915MHz
• Data Rate - Maximum: 256kbps
• Modulation Or Protocol: FHSS, FSK
• Applications: Home / Industrial Automation, Remote Access, Security Alarms
• Power - Output: 7dbm
• Sensitivity: -110dBm
• Voltage - Supply: 2.2 V ~ 3.8 V
• Current - Receiving: 11mA
• Current - Transmitting: 15mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Number Of Receivers: 1
• Number Of Transmitters: 2
• Wireless Frequency: 433 MHz to 915 MHz
• Output Power: + 7 dBm
• Operating Supply Voltage: 2.5 V, 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Modulation: FHSS, FSK
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 579-MRF49XA-1/ST

FIGURE 3-15:
© 2009 Microchip Technology Inc.
Serial Bus Data
Bit Rate
SCLK
TXCEN = 1
(During TX)
Divider
1:8
TX REGISTER BLOCK DIAGRAM (DURING TRANSMIT)
10 Y
11
10
SEL
11
SEL
MUX
MUX
Y
CLK
SDI
SDI
CLK
Note: The data registers’ content is initialized by clearing the TXCEN bit.
Preliminary
8-Bit Shift Register
8-Bit Shift Register
SDO
SDO
SEL
10
11
MUX
MRF49XA
Y
DS70590B-page 65
TX_DATA