MRF24J40-I/ML Microchip Technology, MRF24J40-I/ML Datasheet - Page 15

• 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

2.14.2
The long address memory space contains control
registers and FIFOs with a 10-bit address range of
0x000 to 0x38F. Figure 2-9 shows a long address read
and Figure 2-10 shows a long address write. The 12-bit
FIGURE 2-9:
FIGURE 2-10:
© 2010 Microchip Technology Inc.
SDO
SDO
SCK
SCK
SDI
SDI
CS
CS
LONG ADDRESS REGISTER
INTERFACE
1
1
A9
A9
A8
A8
LONG ADDRESS READ
LONG ADDRESS WRITE
A7
A7
A6
A6
A5
A5
A4
A4
A3
A3
A2
A2
A1
A1
Preliminary
A0
A0
0
1
SPI transfer begins with a ‘1’ to indicate a long address
transaction. It is followed by the 10-bit register address,
Most Significant bit (MSb) first. The 12
it is a read (‘0’) or write (‘1’) transaction.
X
D7
D7
D6
D6
D5
D5
X
MRF24J40
D4
D4
D3
D3
D2
DS39776C-page 15
D2
th
bit indicates if
D1
D1
D0
D0