MRF24J40-I/ML Microchip Technology, MRF24J40-I/ML Datasheet - Page 46

• Manufacturer Part Number: MRF24J40-I/ML
• Description: IC TXRX IEEE/ZIGBEE 2.4GHZ 40QFN
• Manufacturer: Microchip Technology

Specifications of MRF24J40-I/ML

• Package / Case: 40-QFN
• Frequency: 2.4GHz
• Data Rate - Maximum: 250kbps
• Modulation Or Protocol: 802.15.4
• Applications: ISM, ZigBee™
• Power - Output: 0dBm
• Sensitivity: -95dBm
• Voltage - Supply: 2.4 V ~ 3.6 V
• Current - Receiving: 18mA
• Current - Transmitting: 18mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Number Of Receivers: 1
• Number Of Transmitters: 1
• Wireless Frequency: 2.4 GHz
• Interface Type: 4 Wire SPI
• Noise Figure: 8 dB
• Output Power: + 0 dBm
• Operating Supply Voltage: 2.5 V, 3.3 V
• Maximum Operating Temperature: 85 C
• Mounting Style: SMD/SMT
• Maximum Supply Current: 22 mA
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

REGISTER 2-37:
DS39776C-page 46
MRF24J40
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-4
bit 3-0
TURNTIME3 TURNTIME2 TURNTIME1 TURNTIME0
R/W-0
TURNTIME<3:0>: Turnaround Time bits
Transmission to reception and reception to transmission turnaround time. Refer to
IEEE 802.15.4™-2003 Standard, Table 18: PHY Constants and Section 7.5.6.4.2 “Acknowledgment”.
TURNTIME + RFSTBL = aTurnaroundTime = 12 symbols.
Units: symbol period (16 μs). Default value: 0x4. Minimum value: 0x2.
Recommended values: TURNTIME = 0x3 and RFSTBL = 0x9.
Reserved: Maintain as 0x8
R/W-1
TXTIME: TX TURNAROUND TIME REGISTER (ADDRESS: 0x27)
r = reserved
W = Writable bit
‘1’ = Bit is set
R/W-0
R/W-0
Preliminary
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-1
r
R/W-0
r
© 2010 Microchip Technology Inc.
x = Bit is unknown
R/W-0
r
R/W-0
r
bit 0