ML7396AB datasheet(59/140 Pages) LAPIS

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FEDL7396A/B/E-07

ML7396A/B/E

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●Address filtering function:

ML7396 family has a function to receive RX packet which MAC header has specific code at yellow highlighted field in the

MAC header (IEEE802.15.4) as below. By using [ADDFIL_CNTRL:B2 0x20] register, comparing field is selected from

PANID, 64bit address, 16bit short address or I/G bit. Each specific code are defined by [PANID_L:B2 0x61] to

[SHT_ADDR1_H:B2 0x6E] registers. Source address is out of comparing target.

Byte : 2

0 / 2

0/2/8

0 / 2

0/2/8

variable

Frame

Sequence

Destination

Source

Frame

Control

Number

PAN

Address

PAN

address

payload

Chack

identifier

sequence

MAC

payload

footer

Bits : 0-2

7-9

10-11

12-13

14-15

Frame

Security

Frame

Ack.

PAN-ID

Dest.

Source

type

enabled

pending

req.

addressing

mode

Addressing fields

MAC header

Reserved

Frame

Version

Compressio

Fig. MAC header and Frame Control Field

Destination Addressing Mode

00: Beacon or Ack Packet (Beacon packet is always received, Ack packet reception can be selectable)

01: Reserved (Does not receive)

10: 16 bits address

11: 64 bits address

Destination.PAN-ID

0xFFFF: Broadcasting, then always receive this packet regardless to address mode.

16 bits address mode: Receive packet if PAN_ID (setting vslue) is matched.

64 bits address mode: Ignoring this field.

Destination Address

16 bit address mode: Receive packet only if short address (setting value) is matched.

64 bit address mode: Receive packet only if 64 bits address is matched, or I/G bit is set to 0b1 (multicast).

References:

When Address Filtering function is enabled, packet analisis will be executed. Therefore when using RX_ACK CANCEL

([AUTO_ACK_SET:B0 0x55(7)]) function, Address Filtering function should be enabled, since packet anlisis is need uted to

detect Ack packet. For details, please refer to [AUTO_ACK_SET:B0 0x55] register.

ML7396AB Datasheet(PDF) 59 Page - LAPIS Semiconductor Co., Ltd.

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