M37516E3-XXXHP データシートの表示（PDF） - Renesas Electronics

部品番号

コンポーネント説明

一致するリスト

M37516E3-XXXHP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Renesas Electronics 

7516 Group

MULTI-MASTER I2C-BUS BUS LINE CHARACTERISTICS

Table 33 Multi-master I2C-BUS bus line characteristics

Symbol

tBUF

Bus free time

Parameter

Standard clock mode High-speed clock mode

Min.

Max.

Min.

Max.

Unit

4.7

1.3

µs

tHD;STA

Hold time for START condition

4.0

0.6

µs

tLOW

Hold time for SCL clock = “0”

4.7

1.3

µs

tR

tHD;DAT

Rising time of both SCL and SDA signals

Data hold time

1000 20+0.1Cb

300

ns

0

0

0.9

µs

tHIGH

Hold time for SCL clock = “1”

4.0

0.6

µs

tF

Falling time of both SCL and SDA signals

300

20+0.1Cb

300

ns

tSU;DAT

Data setup time

250

100

ns

tSU;STA

Setup time for repeated START condition

4.7

0.6

µs

tSU;STO

Setup time for STOP condition

Note: Cb = total capacitance of 1 bus line

4.0

0.6

µs

SDA

tBUF

tLOW

tR

tF

SCL P

S

tHD:STA

Sr

tHD:STA

tHD:DAT

tHIGH

tsu:DAT

tsu:STA

Fig. 78 Timing diagram of multi-master I2C-BUS

tsu:STO

P

S : START condition

Sr : RESTART condition

P : STOP condition

Rev.1.01 Jul 01, 2003 page 85 of 89

Share Link: