ML7406 datasheet(49/104 Pages) LAPIS

49 / 104 page

FEDL7406-02

ML7406

49/104

(1) Interval operation

[RX]

After wake-up, RX_ON state. If continuous operation timer completed before SyncWord detection, automatically return to

SLEEP state. If SyncWord detected, continue RX_ON. After RX completion, continue operation defined by RXDONE_

MODE[1:0] ([RF_STATUS_ CTRL: B0 0x0A(3-2)]) .

[TX]

After wake-up, TX_ON state. After TX completion, continue operation defined by TXDONE_MODE[1:0] ([RF_STATUS_

CTRL: B0 0x0A(1-0)]) .

If continuous operation timer completed, automatically return to SLEEP state. So continuous operation timer has to be set so

that timer completion occur after TX completion.

RXON

TXON

Wake-up timer

enable setting

Continuous

operation timer

Wake-up timer operation range

[WUT_INTERVAL_H/L: B0 0x2F/0x30]

LSI state

SLEEP

RXON

Continuous operation timer range

[WU_DURATION: B0 0x31]

Before Continuous

operation timer

completion,

SyncWord detected.

After RX completion, move to SLEEP

state by SLEEP command.

*1 If not issuing SLEEP command,

continue operation defined by

RXDONE_MODE[1:0]

SLEEP

RXON

SLEEP

RXON

SLEEP

RXON

SLEEP

RXON

TXON

Wake-up timer

Wake-up operation

enables setting

Continuous

operation timer

Wake-up timer operation period

[WUT_INTERVAL_H/L: B0 0x2F/0x30]

LSI state

Continuous operation timer range

[WU_DURATION: B0 0x28]

TX completion and move to

IDLE state.

In case of

TXDONE_MODE[1:0]=0b00

Continuous operation

timer completion, move

to SLEEP state.

SLEEP

TXON

TX data write

to TX_FIFO

SLEEP

IDLE

TXON

SLEEP

IDLE

TXON

IDLE

After Wake-up timer

completion , move to

RX_ON state.

Continuous operation

timer completion

move to SLEEP

state.

[SLEEP/WU_SET: B0 0x2D(6-4)]=0b011

[SLEEP/WU_SET: B0 0x2D(6-4)]=0b111

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