MCP3464 datasheet(93/108 Pages) MICROCHIP

tên linh kiện	MCP3464

Giải thích chi tiết về linh kiện	Two/Four/Eight-Channel, 153.6 ksps, Low Noise, 16-Bit Delta-Sigma ADC

PDF	108 Pages

Scroll/Zoom	100%

nhà sản xuất	MICROCHIP [Microchip Technology]

Trang chủ	http://www.microchip.com

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DS20006180D-page 93

MCP3461/2/4

8.14

LOCK Register

8.15

RESERVED Register

Name

Bits

Address

Cof

LOCK

0xD

R/W

LOCK: SPI WRITE MODE LOCKING PASSWORD VALUE REGISTER

R/W-1

R/W-0

R/W-1

R/W-0

R/W-1

R/W-0

R/W-1

LOCK[7:0]

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 7-0

LOCK[7:0]: Write Access Password Entry Code

0xA5 = Write access is allowed on the full register map. CRC on register map values is not calculated

(CRCCFG[15:0] = 0x0000) – Default.

Any code except 0xA5 = Write access is not allowed on the full register map. Only the LOCK register

is writable. CRC on register map is calculated continuously only when DMCLK is running.

Name

Bits

Address

Cof

RESERVED

0xE

R/W

RESERVED REGISTER

R/W (default depends on product denomination)

RESERVED[15:0]

bit 15

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

Bit 15-0

RESERVED[15:0]: Should be set to:

MCP3461: 0x0008

MCP3462: 0x0009

MCP3464: 0x000B

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