PIC17C752-08SLASHP datasheet(241/320 Pages) MICROCHIP

241 / 320 page

Preliminary

DS30264A-page 241

PIC17C75X

FIGURE 20-13: I2C BUS START/STOP BITS TIMING

TABLE 20-13: I2C BUS START/STOP BITS REQUIREMENTS

Param.

No.

Sym Characteristic

Min

Typ Max Units

Conditions

TSU:STA

START condition

100 kHz mode

2(TOSC)(BRG + 1) §

—

Only relevant for

repeated START condi-

tion

Setup time

400 kHz mode

2(TOSC)(BRG + 1) §

—

1 MHz mode (1)

2(TOSC)(BRG + 1) §

—

THD:STA

START condition

100 kHz mode

2(TOSC)(BRG + 1) §

—

After this period the ﬁrst

clock pulse is generated

Hold time

400 kHz mode

2(TOSC)(BRG + 1) §

—

1 MHz mode (1)

2(TOSC)(BRG + 1) §

—

TSU:STO

STOP condition

100 kHz mode

2(TOSC)(BRG + 1) §

—

Setup time

400 kHz mode

2(TOSC)(BRG + 1) §

—

1 MHz mode (1)

2(TOSC)(BRG + 1) §

—

THD:STO

STOP condition

100 kHz mode

2(TOSC)(BRG + 1) §

—

Hold time

400 kHz mode

2(TOSC)(BRG + 1) §

—

1 MHz mode (1)

2(TOSC)(BRG + 1) §

—

§ This speciﬁcation ensured by design. For the value required by the I2C speciﬁcation, please refer to Figure E-11.

Note 1: Maximum pin capacitance = 10 pF for all I2C pins.

Note: Refer to Figure 20-1 for load conditions

SCL

SDA

START

Condition

STOP

Condition

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