DSPIC30F9013BT-20E/ML 查看數據表（PDF） - Microchip Technology

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DSPIC30F9013BT-20E/ML

High-Performance, 16-Bit Digital Signal Controllers

Microchip Technology 

dsPIC30F3014/4013

FIGURE 23-18: I2C BUS START/STOP BITS TIMING CHARACTERISTICS (MASTER MODE)

SCL

SDA

IM30

IM31

IM33

IM34

Start

Condition

Note: Refer to Figure 23-3 for load conditions.

Stop

Condition

FIGURE 23-19: I2C BUS DATA TIMING CHARACTERISTICS (MASTER MODE)

SCL

SDA

In

SDA

Out

IM20

IM11

IM10

IM40

IM11

IM10

IM26

IM25

IM40

IM21

IM33

IM45

Note: Refer to Figure 23-3 for load conditions.

TABLE 23-34: I2C BUS DATA TIMING REQUIREMENTS (MASTER MODE)

AC CHARACTERISTICS

Standard Operating Conditions: 2.5V to 5.5V

(unless otherwise stated)

Operating temperature -40°C ≤ TA ≤ +85°C for Industrial

-40°C ≤ TA ≤ +125°C for Extended

Param

No.

Symbol

Characteristic

Min(1)

Max Units

Conditions

IM10 TLO:SCL Clock Low Time 100 kHz mode TCY/2 (BRG + 1) —

μs

—

400 kHz mode TCY/2 (BRG + 1) —

μs

—

1 MHz mode(2) TCY/2 (BRG + 1)

—

μs

—

IM11 THI:SCL Clock High Time 100 kHz mode TCY/2 (BRG + 1) —

μs

—

400 kHz mode TCY/2 (BRG + 1) —

μs

—

1 MHz mode(2) TCY/2 (BRG + 1)

—

μs

—

IM20 TF:SCL SDA and SCL 100 kHz mode

—

300

ns CB is specified to be

Fall Time

400 kHz mode 20 + 0.1 CB

300

ns from 10 to 400 pF

1 MHz mode(2)

—

100

ns

Note 1: BRG is the value of the I2C Baud Rate Generator. Refer to Section 21 “Inter-Integrated Circuit™ (I2C)”

in the “dsPIC30F Family Reference Manual” (DS70046).

2: Maximum pin capacitance = 10 pF for all I2C pins (for 1 MHz mode only).

DS70138E-page 194

© 2007 Microchip Technology Inc.

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