MRF24J40-I/ML Microchip Technology, MRF24J40-I/ML Datasheet - Page 127

• 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

3.16
Many features of the IEEE 802.15.4-2003 Standard are
based on a symbol period of 16 μ s. A 16-bit MAC timer
is provided to generate interrupts configurable in
TABLE 3-22:
© 2010 Microchip Technology Inc.
Addr.
0x28 HSYMTMRL HSYMTMR7
0x29 HSYMTMRH HSYMTMR15 HSYMTMR14 HSYMTMR13 HSYMTMR12 HSYMTMR11 HSYMTMR10 HSYMTMR9 HSYMTMR8
0x31 INSTAT
0x32 INTCON
MAC Timer
Name
REGISTERS ASSOCIATED WITH THE MAC TIMER
SLPIE
SLPIF
Bit 7
HSYMTMR6 HSYMTMR5
WAKEIF
WAKEIE
Bit 6
HSYMTMRIF
HSYMTMRIE
Bit 5
Preliminary
HSYMTMR4
SECIF
SECIE
Bit 4
multiples of 8 μ s. The MAC timer begins counting down
when a value is written to the HSYMTMRH (0x29) reg-
ister. A HSYMTMRIF (0x31<5>) interrupt is generated
when the count reaches zero.
HSYMTMR3 HSYMTMR2 HSYMTMR1 HSYMTMR0
RXIE
RXIF
Bit 3
TXG2IF
TXG2IE
Bit 2
MRF24J40
DS39776C-page 127
TXG1IF
TXG1IE
Bit 1
TXNIF
TXNIE
Bit 0