ML7344J datasheet(87/151 Pages) ETC2

87 / 151 page

FEDL7344C/E/J-04

ML7344C/E/J

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Interrupt notice

Reference point

Timing From reference point to interrupt generation

or interrupt generation timing

INT[22]

General purpose

timer 1 completion

Timer start

General purpose timer 1 completion

General purpose timer clock cycle * Division setting

[GT_CLK_SET: B0 0x33] * general purpose timer interval

setting [GT1_TIMER:B0 0x34]

For details, please refer to the “General purpose timer”.

INT[23]

General purpose

timer 2 completion

Timer start

General purpose timer 2 completion

General purpose timer clock cycle * Division setting

[GT_CLK_SET: B0 0x33] * general purpose timer interval

setting [GT2_TIMER:B0 0x35]

For details, please refer to the “General purpose timer”.

(3) Clearing interrupt condition

The following table shows the condition of clearing each intereupt. As a procedure to clear the interrup, it is

recommended that the interrupt to be cleared after masking the interrupt.

Interrupt notification

Conditions for clearing interrupts

INT[0]

CLK stabilization completion

After interrupt generated

INT[1]

VCO calibration completion

After interrupt generated

INT[2]

PLL unlock or VCO CAL request

After interrupt generated

INT[3]

RF state transition completion

After interrupt generated

INT[4]

FIFO-Empty

After interrupt generated

(must clear before next FIFO-Empty trigger timing)

INT[5]

FIFO-Full

After interrupt generated

(must clear before next FIFO-Full trigger timing)

INT[6]

Wake-up timer completion

After interrupt generated

INT[7]

Clock calibration completion

After interrupt generated

INT[8]

RX completion

After interrupt generated

INT[9]

CRC error

After interrupt generated

INT[10]

Reserved

INT[11]

RX Length error

After interrupt generated

INT[12]

RX FIFO access error

After interrupt generated

INT[13]

SyncWord detection

After interrupt generated

INT[14]

Field checking

After interrupt generated

INT[15]

Sync error

After interrupt generated

INT[16/]

TX completion

After interrupt generated

INT[17]

TX Data request accept completion

After interrupt generated

INT[18]

CCA completion

After interrupt generated

Note: Clearing interrupt erase CCA result as well.

INT[19]

TX Length error

After interrupt generated

INT[20]

TX FIFO access error

After interrupt generated

INT[21]

Reserved

INT[22]

General purpose timer 1

After interrupt generated

INT[23]

General purpose timer 2

After interrupt generated

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