MCP4341T502ESLASHST datasheet(51/80 Pages) MICROCHIP

номер детали	MCP4341T502E/ST

подробное описание детали	7/8-Bit Quad SPI Digital POT with Non-Volatile Memory

PDF	80 Pages

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производитель	MICROCHIP [Microchip Technology]

домашняя страница	http://www.microchip.com

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51 / 80 page

DS22233A-page 51

MCP434X/436X

TABLE 7-3:

COMMANDS

Command Name

# of

Bits

Writes

Value in

EEPROM

Operates on

Volatile/

Non-Volatile

memory

High

Voltage

(VIHH) on

CS pin?

Impact on

WiperLock or

Write Protect

Works

when

Wiper is

“locked”?

Write Data

16-Bits

Yes (1)

Both

—

unlocked (1)

Read Data

16-Bits

—

Both

—

unlocked (1)

Increment Wiper

8-Bits

—

Volatile Only

—

unlocked (1)

Decrement Wiper

8-Bits

—

Volatile Only

—

unlocked (1)

High Voltage Write Data

16-Bits

Yes

Both

Yes

unchanged

High Voltage Read Data

16-Bits

—

Both

Yes

unchanged

Yes

High Voltage Increment Wiper

8-Bits

—

Volatile Only

Yes

unchanged

High Voltage Decrement Wiper

8-Bits

—

Volatile Only

Yes

unchanged

Modify Write Protect or Wiper-

Lock Technology (High Voltage) -

Enable

8-Bits

— (2)

Non-Volatile

Only (2)

Yes

locked/

protected (2)

Yes

Modify Write Protect or Wiper-

Lock Technology (High Voltage) -

Disable

8-Bits

— (3)

Non-Volatile

Only (3)

Yes

unlocked/

unprotected (3)

Yes

Note 1: This command will only complete if wiper is “unlocked” (WiperLock Technology is Disabled).

2: If the command is executed using address 02h, 03h, 08h, or 09h then that corresponding wiper is locked or

if with address 0Fh, then Write Protect is enabled.

3: If the command is executed using with address 02h, 03h, 08h, or 09h, then that corresponding wiper is

unlocked or if with address 0Fh, then Write Protect is disabled.

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