MRF24J40-I/ML Microchip Technology, MRF24J40-I/ML Datasheet - Page 137

• 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

FIGURE 4-4:
TABLE 4-2:
© 2010 Microchip Technology Inc.
0x22F TESTMODE
Addr.
0x2E TXSTBL
0x15 SYMTICKH
0x16 PACON0
0x17 PACON1
0x18 PACON2
Name
GPIO0
GPIO1
GPIO2
REGISTERS ASSOCIATED WITH EXTERNAL PA/LNA
RFSTBL3 RFSTBL2 RFSTBL1
TXONT6 TXONT5
PAONT7 PAONT6
FIFOEN
EXTERNAL PA/LNA TIMING DIAGRAM
Bit 7
r
r
Receive
RF Stabilization Time (t
Transmit On Time (t
PA On Time (t
Rule: t
Bit 6
r
r
r
Beginning of
Transmit
rfstbl
TXONTS3 TXONTS2
TXONT4
PAONT5
18.05 µs = 1 * 16 µs + 41 * 50 ns
> t
Bit 5
txon
r
r
PAON
> t
) = PAONTS * 16 µs + PAONT + 50 ns
Preliminary
98 µs = 6 * 16 µs + 40 * 50 ns
paon
TXON
RSSIWAIT1 RSSIWAIT0 TESTMODE2 TESTMODE1 TESTMODE0
PAONTS3
RFSTBL0
TXONT3
PAONT4
144 µs = 9 * 16 µs
RFSTBL
Bit 4
) = TXONTS * 16 µs + TXONT * 50 ns
Time
) = RFSTBL * 16 µs
t
RFSTBL
144 µs
TXONTS1
PAONTS2
TXONT2
PAONT3
MSIFS3
Transmit
Bit 3
t
TXON
98 µs
PAONTS1
TXONTS0
TXONT1
PAONT2
MSIFS2
Bit 2
t
PAON
18 µs
Beginning of
MRF24J40
Packet
PAONTS0
TXONT0
PAONT1
TXONT8
MSIFS1
Bit 1
DS39776C-page 137
PAONT0
PAONT8
TXONT7
MSIFS0
TICKP8
Bit 0