PIC17C756T-08IPQQTP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC17C756T-08IPQQTP

High-Performance 8-Bit CMOS EPROM Microcontrollers

Microchip Technology 

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

SCL

SDA

91

90

PIC17C75X

93

92

START

Condition

STOP

Condition

Note: Refer to Figure 20-1 for load conditions

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

Param.

No.

Sym Characteristic

Min

Typ Max Units

Conditions

90

TSU:STA START condition 100 kHz mode 2(TOSC)(BRG + 1) § — —

Only relevant for

Setup time

400 kHz mode 2(TOSC)(BRG + 1) § — —

1 MHz mode (1) 2(TOSC)(BRG + 1) § — —

ns repeated START condi-

tion

91

THD:STA START condition 100 kHz mode 2(TOSC)(BRG + 1) § — —

After this period the first

Hold time

400 kHz mode 2(TOSC)(BRG + 1) § — — ns clock pulse is generated

1 MHz mode (1) 2(TOSC)(BRG + 1) § — —

92

TSU:STO STOP condition 100 kHz mode 2(TOSC)(BRG + 1) § — —

Setup time

400 kHz mode 2(TOSC)(BRG + 1) § — — ns

1 MHz mode (1) 2(TOSC)(BRG + 1) § — —

93

THD:STO STOP condition 100 kHz mode 2(TOSC)(BRG + 1) § — —

Hold time

400 kHz mode 2(TOSC)(BRG + 1) § — — ns

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.

© 1997 Microchip Technology Inc.

Preliminary

DS30264A-page 241

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