PAC1941T-1ESLASH4MX. datasheet(39/96 Pages) MICROCHIP

No de pièce	PAC1941T-1E/4MX.

Description	Single/Multi-Channel Power Monitor with Accumulator, 9V Full-Scale Range

PDF	96 Pages

Scroll/Zoom	100%

Fabricant	MICROCHIP [Microchip Technology]

Site Internet	http://www.microchip.com

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39 / 96 page

 2021 Microchip Technology Inc.

DS20006543A-page 39

PAC194X

6.6.9

BLOCK READ – SMBUS VERSION

The PAC194X can also support the SMBus version of

Block Read. If the Byte Count bit is set, Block Read

will result in the device sending the Byte Count data

before the first data byte. This protocol is shown in

Table 6-11.

TABLE 6-10:

BLOCK READ PROTOCOL – I2C VERSION (DEFAULT)

START

Client

Address

ACK

Address

ACK

STAR

Client

Address

ACK

Data

1 → 0 YYYY_YYY

XXh

1 → 0 YYYY_YYY

XXh

ACK

Data

ACK

Data

ACK

Data

ACK

Data

NACK

STOP

XXh

0 → 1

TABLE 6-11:

BLOCK READ PROTOCOL – SMBUS VERSION (MUST SET BYTE COUNT BIT)

START

Client

Address

ACK

Address

ACK

STAR

Client

Address

ACK

Byte

Count

1 → 0 YYYY_YYY

XXh

1 → 0 YYYY_YYY

XXh = N

ACK

Data

ACK

Data

ACK

Data

ACK

Data

NACK

STOP

XXh

0 → 1

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