CXD2053AM Ver la hoja de datos (PDF) - Sony Semiconductor

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componentes Descripción

Fabricante

CXD2053AM

Auto Wide, EDTV-II ID Detection, ID-1 Detection

Sony Semiconductor 

CXD2053AM/AS

5-1. I2C bus

Settings and data can be taken out via the I2C bus when MCON (Pin 19) is set to "1".

This LSI supports the I2C bus slave RECEIVER and slave TRANSMITTER modes. The slave address is 1C (H).

Also, in addition to standard mode (Max. 100K bit/s), this LSI also supports high-speed mode (Max. 400K bit/s).

Even when the IC power supply falls to 0V, it does not occupy the bus. However, the Absolute Maximum

Ratings should be strictly observed.

The I2C bus transfer sequence is shown in the figure below.

The amount of data transferred by this IC is 2 bytes for the write (RECEIVER) side and 1 byte for the readout

(TRANSMITTER) side.

Data write (RECEIVER mode)

7654321 0

1 76543210 1 76543210 1

Sm SLAm Wm As DATAm As DATAm As P

Data readout (TRANSMITTER mode)

7654321 0

1 76543210 1

Sm SLAm Rm As DATAs XAm P

Symbol

∗m

∗s

S

P

SLA

DATA

W

R

A

XA

Description

from master to slave

from slave to master

Start Condition

Stop Condition

Slave Address

Data

0: Write Master→ Slave

1: Read Slave → Master

Clock pulse for Acknowledgement (SDA: L)

Acknowledgement none (SDA: H)

–8–

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