ML7344J datasheet(124/151 Pages) ETC2

124 / 151 page

FEDL7344C/E/J-04

ML7344C/E/J

124/151

(8) ED scan

ED value will be automatically acquired by issuing RX_ON by [RF_STATU:B0 0x0B] register after setting

ED_CALC_EN ([ED_CTRL: B0 0x41(7)])=0b1. ED value is constanty updated when ED_RSLT_SET

([ED_CTRL:B0 0x41(3)] )=0b0.

START

ED value calculation

completion?

[ED_CTRL:B0 0x41(4)]

Yes

ED calculations enable setting

ED value constantly updated setting

[ED_CTRL: B0 0x41(7,3)]

Read ED value

[ED_RSLT:B0 0x3A]

Yes

Channel change ?

RF channel change

[CH_SET:B0 0x09]

TRX_OFF issue

[RF_STATUS:B0 0x0B]

RX_ON issue

[RF_STATUS:B0 0x0B]

These processes are not necessary if 250μswait

is added after RF channel change setting.

General purpose timer start

[GT_SET:B0 0x32]

Yes

To RF state transition wait flow

(*1)

(*1) general purpose timer setting example

If 250μs wait is programmed using general purpose timer 1,

The following registers can be used.

[GT_CLK_SET:B0 0x33]

0x01(128 division)

[GT_INTERVAL1:B0 0x34]

0x04(timer setting)

[GT_SET:B0 0x32]

0x03(2MHz clock, timer start)

ED value will be acquired by enabling ED

calculation after RX_ON issue,

ED value will be constantly updated

constantly

General Timer INT ?

[INT_SOURCE_GRP3:B0 0x0F]

INT[22]/INT[23]

General timer INT clear

[INT_SOURCE_GRP3:B0 0x0F]

INT[22]/INT[23]

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