EMC2101-R-ACZL-TR datasheet(8/56 Pages) MICROCHIP

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EMC2101

DS20006703A-page 8

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2.2

Write Byte

The Write Byte is used to write one byte of data to the

registers as shown in Table 2-2.

2.3

Read Byte

The Read Byte protocol is used to read one byte of data

from the registers as shown in Table 2-3.

2.4

Send Byte

The Send Byte protocol is used to set the internal

address register pointer to the correct address location.

No data is transferred during the Send Byte protocol,

as shown in Table 2-4.

2.5

Receive Byte

The Receive Byte protocol is used to read data from a

known to be at the right location (e.g. set via Send

Byte). This is used for consecutive reads of the same

TABLE 2-2:

WRITE BYTE PROTOCOL

START

Client Address

ACK

Address

ACK

Data

ACK

STOP

TABLE 2-3:

READ BYTE PROTOCOL

START

Client Address

ACK

START

Client Address

ACK

NACK

STOP

TABLE 2-4:

SEND BYTE PROTOCOL

START

Client Address

ACK

Address

ACK

STOP

TABLE 2-5:

RECEIVE BYTE PROTOCOL

START

Client Address

ACK

NACK

STOP

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