MLP2016WR47M datasheet(30/48 Pages) TOSHIBA

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TC7738WBG

2016-11-17

8.5.

2C interface

TC7738WBG sets each function setting using the I

C interface.

As shown in the following, pull up SCL pin and SDA pin at external of IC, and connect to an input device.

Figure 8-9

2C bus connection

The Interface of this product supports the following modes compliant with I

2C standard: Slave mode, Fast mode (400

kHz), and High speed mode (3.4 MHz), and they can perform the single write operation, continuous write operation,

single read operation, and continuous read operation. The slave address of TC7738WBG is fixed to 0b1001101.

Table 8.37

2C interface description

Symbol

Description

Start condition

Repetitive start condition

Slave Address

Slave address (7 bit):0b1001101

Read mode (R/W=1)

Write mode (R/W=0)

Acknowledge signal (L level output)

Non acknowledge signal (HiZ output)

Stop condition

Figure 8-10

Single write mode

Figure 8-11

Continuous write mode

SCL

SDA

SCL

Controller

TC7738WBG

VOUT

2.2 kΩ

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