PIC18F242 datasheet(286/332 Pages) MICROCHIP

tên linh kiện	PIC18F242

Giải thích chi tiết về linh kiện	High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D

PDF	332 Pages

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nhà sản xuất	MICROCHIP [Microchip Technology]

Trang chủ	http://www.microchip.com

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286 / 332 page

PIC18FXX2

DS39564C-page 284

FIGURE 22-18:

MASTER SSP I2C BUS START/STOP BITS TIMING WAVEFORMS

TABLE 22-17: MASTER SSP I2C BUS START/STOP BITS REQUIREMENTS

FIGURE 22-19:

MASTER SSP I2C BUS DATA TIMING

Note:

Refer to Figure 22-4 for load conditions.

SCL

SDA

START

Condition

STOP

Condition

Param.

No.

Symbol

Characteristic

Min

Max

Units

Conditions

TSU:STA

START condition

100 kHz mode

2(TOSC)(BRG + 1)

—

Only relevant for

Repeated START

condition

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)

—

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

Note:

Refer to Figure 22-4 for load conditions.

100

101

103

106

107

109

110

102

SCL

SDA

Out

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