LLCC68 datasheet(85/106 Pages) SEMTECH

tên linh kiện	LLCC68

Giải thích chi tiết về linh kiện	Long Range, Low Power, sub-GHz RF Transceiver

PDF	106 Pages

Scroll/Zoom	100%

nhà sản xuất	SEMTECH [Semtech Corporation]

Trang chủ	http://www.semtech.com

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85 / 106 page

LLCC68

Data Sheet

Rev. 1.0

DS.LLCC68.W.APP

July 2019

85 of 106

Semtech

www.semtech.com

In the LLCC68, the CRC can be fully configured and the polynomial used, as well as the initial values can be entered directly

through register access.

Table 13-59: GFSK PacketParam6 - PacketType

PacketType

Description

0x00

The packet length is known on both sides, the size of the payload is not

added to the packet

0x01

The packet is on variable size, the first byte of the payload will be the

size of the packet

Table 13-60: GFSK PacketParam7 - PayloadLength

AddrComp

Description

0x00 to 0xFF

Size of the payload (in bytes) to transmit or maximum size of the

payload that the receiver can accept.

Table 13-61: GFSK PacketParam8 - CRCType

CRCType

Description

0x01

CRC_OFF (No CRC)

0x00

CRC_1_BYTE (CRC computed on 1 byte)

0x02

CRC_2_BYTE(CRC computed on 2 byte)

0x04

CRC_1_BYTE_INV(CRC computed on 1 byte and inverted)

0x06

CRC_2_BYTE_INV(CRC computed on 2 byte and inverted)

Table 13-62: CRC Initial Value Programming

Default Value

CRC MSB Initial Value [15:8]

0x06BC

0x1D

CRC LSB Initial Value [7:0]

0x06BD

0x0F

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