HD64F2145 Datasheet, PDF(788/829 Page) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

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HD64F2145 Datasheet, PDF (788/829 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

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SDA0,

SDA1

tBUF

VIH

VIL

tSTAH

tSCLH

SCL0,

SCL1

P*

S*

tSf

tSCLL

tSr

tSCL

tSDAH

Note:* S, P, and Sr indicate the following conditions.

S: Start condition

P: Stop condition

Sr: Retransmission start condition

tSTAS

tSP tSTOS

Sr*

P*

tSDAS

Figure 28.29 I2C Bus Interface Input/Output Timing

LCLK

tLCKH

tLcyc

LCLK

tLCKL

LAD3 to LAD0,

SERIRQ,

(Transmit signal)

LAD3 to LAD0,

SERIRQ,

(Receive signal)

LAD3 to LAD0,

SERIRQ,

(Transmit signal)

tTXD

tRXS

tRXH

tOFF

Figure 28.30 Host Interface (LPC) Timing

Rev. 2.0, 08/02, page 748 of 788

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