MRF24J40_08 Datasheet, PDF (41/152 Pages) Microchip Technology – IEEE 802.15.4™ 2.4 GHz RF Transceiver

MRF24J40
REGISTER 2-34: TXSTAT: TX MAC STATUS REGISTER (ADDRESS: 0x24)
R-0
R-0
TXNRETRY1 TXNRETRY0
bit 7
R-0
CCAFAIL
R-0
TXG2FNT
R-0
R-0
R-0
TXG1FNT TXG2STAT TXG1STAT
R-0
TXNSTAT
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
TXNRETRY<1:0>: TX Normal FIFO Retry Times bits
Number of retrys of the most recent TX Normal FIFO transmission.
CCAFAIL: Clear Channel Assessment (CCA) Status of Last Transmission bit
1 = Channel busy
0 = Channel Idle
TXG2FNT: TX GTS2 FIFO Transmission failed due to not enough time before the end of GTS bit
1 = Failed
0 = Succeeded
TXG1FNT: TX GTS1 FIFO Transmission failed due to not enough time before the end of GTS bit
1 = Failed
0 = Succeeded
TXG2STAT: TX GTS2 FIFO Release Status bit
1 = Failed, retry count exceeded
0 = Succeeded
TXG1STAT: TX GTS2 FIFO Release Status bit
1 = Failed, retry count exceeded
0 = Succeeded
TXNSTAT: TX Normal FIFO Release Status bit
1 = Failed, retry count exceeded
0 = Succeeded
© 2008 Microchip Technology Inc.
Preliminary
DS39776B-page 39