MCP413X datasheet(48/88 Pages) MICROCHIP

48 / 88 page

MCP413X/415X/423X/425X

DS22060B-page 48

TABLE 7-2:

MEMORY MAP AND THE SUPPORTED COMMANDS

Address

Command

Data

(10-bits) (1)

SPI String (Binary)

Value

Function

MOSI (SDI pin)

MISO (SDO pin) (2)

00h

Volatile Wiper 0

Write Data

nn nnnn nnnn

0000 00nn nnnn nnnn

1111 1111 1111 1111

Read Data

nn nnnn nnnn

0000 11nn nnnn nnnn

1111 111n nnnn nnnn

Increment Wiper

—

0000 0100

1111 1111

Decrement Wiper

—

0000 1000

1111 1111

01h

Volatile Wiper 1

Write Data

nn nnnn nnnn

0001 00nn nnnn nnnn

1111 1111 1111 1111

Read Data

nn nnnn nnnn

0001 11nn nnnn nnnn

1111 111n nnnn nnnn

Increment Wiper

—

0001 0100

1111 1111

Decrement Wiper

—

0001 1000

1111 1111

02h

Reserved

—

03h

Reserved

—

04h

Volatile

TCON Register

Write Data

nn nnnn nnnn

0100 00nn nnnn nnnn

1111 1111 1111 1111

Read Data

nn nnnn nnnn

0100 11nn nnnn nnnn

1111 111n nnnn nnnn

05h

Status Register

Read Data

nn nnnn nnnn

0101 11nn nnnn nnnn

1111 111n nnnn nnnn

06h-0Fh Reserved

—

Note 1: The Data Memory is only 9-bits wide, so the MSb is ignored by the device.

2: All these Address/Command combinations are valid, so the CMDERR bit is set. Any other Address/Command

combination is a command error state and the CMDERR bit will be clear.

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