ML7344J datasheet(134/151 Pages) ETC2

134 / 151 page

FEDL7344C/E/J-04

ML7344C/E/J

134/151

●TX

*1 : When TXDONE_MODE[1:0]([RF_STATUS_CTRL: B0 0x0A(1-0)]) = 0b00(default), SET_TRX[3:0]

([RF_STATUS: B0 0x0B(3-0)]) will be set to 0x8(TRX_OFF) automatically, upon detection of TX

completion.

*2 : Data TX time calculation is as follows:

Data TX time [sec] = (number of TX bits+3)×1bit TX duration time[sec]

1bit TX duration time [sec] = 1/data rate [bps]

*3 : When setting TXDIO_CTRL[1:0]([DIO_SET: B0 0x0C(5-4)])=0b01.

0x8(TRX_OFF)

Air

SCEN

FIFO write

TX_ON

command

INT[17]

(TX Data request accept completion)

[INT_SOURCE_GRP3: B0 0x0F]

0x8(TRX_OFF)

SET_TRX[3:0]

[RF_STATUS: B0 0x0B]

GET_TRX[3:0]

[RF_STATUS: B0 0x0B]

INT[3]

(RF state transition completion)

[INT_SOURCE_GRP1: B0 0x0D]

INT[16]

(TX completion)

[INT_SOURCE_GRP3: B0 0x0F]

1406μs

PA_ON

1271μs

DCLK output (*3)

0x9(TX_ON)

TX completion

interrupt *1

Data TX time *2

INT[3] clear

command

0x9(TX_ON)

0x8(TRX_OFF)

147μs

143μs

0.4 bit time

(at 100kbps, 4μs)

TX_ON

1222

μs

144

μs

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