ATXMEGA32D4-CU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATXMEGA32D4-CU

8/16-bit Atmel XMEGA D4 Microcontroller

Atmel Corporation 

Table 32-29. Two-wire interface characteristics. (Continued)

Symbol Parameter

Condition

tHD;STA Hold time (repeated) START condition

tLOW

Low period of SCL clock

tHIGH

tSU;STA

High period of SCL Clock

Set-up time for a repeated START

condition

tHD;DAT

Data hold time

tSU;DAT

Data setup time

tSU;STO Setup time for STOP condition

tBUF

Bus free time between a STOP and

START condition

fSCL ≤ 100kHz

fSCL > 100kHz

fSCL ≤ 100kHz

fSCL > 100kHz

fSCL ≤ 100kHz

fSCL > 100kHz

fSCL ≤ 100kHz

fSCL > 100kHz

fSCL ≤ 100kHz

fSCL > 100kHz

fSCL ≤ 100kHz

fSCL > 100kHz

fSCL ≤ 100kHz

fSCL > 100kHz

fSCL ≤ 100kHz

fSCL > 100kHz

Notes:

1. Required only for fSCL > 100kHz.

2. Cb = Capacitance of one bus line in pF.

3. fPER = Peripheral clock frequency.

XMEGA D4

Min.

4.0

0.6

4.7

1.3

4.0

0.6

4.7

0.6

0

0

250

100

4.0

0.6

4.7

1.3

Typ.

Max. Units

µs

3.45

0.9

µs

84

8135L–AVR–06/12

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