ML7396AB datasheet(103/140 Pages) LAPIS

103 / 140 page

FEDL7396A/B/E-07

ML7396A/B/E

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●ACK TX mode (without AUTO_ACK)

Below flowchart shows the Ack packet transmission without AUTO_AUK function. By using FIFO-Full interrupt (INT[05]

gtoup1), the host MCU write Ack packet to a FIFO during RX. After RX completion, transmitting Ack paket.

START

RX_ON issue

[RF_STATUS:B0 0x6C]

Yes

If using interrupt notification by SINT

pin (#10), pleas unmask INT[05] by

[INT_EN_GRP1:B0 0x24] register.

RX FIFO trigger level setting

[RX_ALARM_LH:B0 0x37] =0x00

[RX_ALARM_HL:B0 0x38] =0x00

Address match?

Yes

FIFO-Full (INT[05])?

Force_TRX_OFF issue

[INT_SOURCE_GRP1:B0 0x24]

[RF_STATUS:B0 0x6C]

Read RX data from FIFO

[RD_RX_FIFO:B0 0x7F]

Read length and

address field.

Set Ack packet

to a FIFO.

Write TX data to FIFO

[WR_TX_FIFO:B0 0x7E]

Clear FIFO

[INT_SOURCE_GRP1:B0 0x24]

Yes

RX completion (INT[18]/[19])?

END

[INT_SOURCE_GRP3:B0 0x26]

Yes

CRC error (INT[20]/INT[21])?

[INT_SOURCE_GRP3:B0 0x26]

Ack packet

cancellation

Clear PD_DATA_REQ

TX_ON issue

[RF_STATUS:B0 0x6C]

(Set 0b0)

[PD_DATA_REQ:B0 0x28(1,5]

PHY reset issue

[RST_SET:B0 0x01]

TX completion?

(INT[16]/[17])

[INT_SOURCE_GRP3:B0 0x26]

Yes

TRX_OFF issue

[RF_STATUS:B0 0x6C]

Read RX data from FIFO

[RD_RX_FIFO:B0 0x7F]

Read out remaining

Rx data.

END

ML7396AB Datasheet(PDF) 103 Page - LAPIS Semiconductor Co., Ltd.

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