M38048FDHKP datasheet(208/387 Pages) RENESAS

Il numero della parte	M38048FDHKP

Spiegazioni elettronici	8-BIT CISC SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES

PDF	387 Pages

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Produttore elettronici	RENESAS [Renesas Technology Corp]

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APPLICATION

2.5 Multi-master I2C-BUS interface

Rev.1.00 Jan 14, 2005

REJ09B0212-0100Z

3804 Group (Spec.H)

2.5 Multi-master I2C-BUS interface

The only 3804 group has functions of the multi-master I2C-BUS interface.

The multi-master I2C-BUS interface is a serial communication circuit, conforming to the Philips I2C-BUS data

transfer format. This paragraph explains the I2C-BUS overview and communication examples.

2.5.1 Memory map

001216

001316

001416

001516

001616

001716

003E16

003F16

Interrupt request register 1 (IREQ1)

Interrupt request register 2 (IREQ2)

Interrupt control register 1 (ICON1)

Interrupt control register 2 (ICON2)

003C16

003D16

003916 Interrupt source selection register (INTSEL)

001116

MISRG

I2C data shift register (S0)

I2C special mode status register (S3)

I2C status register (S1)

I2C control register (S1D)

I2C clock control register (S2)

I2C START/STOP condition control register (S2D)

I2C special mode control register (S3D)

001016

I2C slave address register 0 (S0D0)

I2C slave address register 1 (S0D1)

I2C slave address register 2 (S0D2)

0FF716

0FF816

0FF916

Fig. 2.5.1 Memory map of registers relevant to I2C-BUS interface

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