ATA6834 datasheet(3/25 Pages) ATMEL

Part #	ATA6834

Description	BLDC Motor Driver and LIN System Basis Chip

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Manufacturer	ATMEL [ATMEL Corporation]

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3

9122B–AUTO–10/08

ATA6833/ATA6834 [Preliminary]

2.

Pin Configuration

Figure 2-1.

Pinning QFN48

Note:

YWW

Date code (Y = Year - above 2000, WW = week number)

ATA683x

Product name

ZZZZZ

Wafer lot number

AL

Assembly sub-lot number

RWD

WDD

EN1

NC

GND

NC

CC

WD

/RESET

VMODE

VINT

Atmel YWW

ATA6833/ATA6834

ZZZZZ-AL

CPLO1

CPHI1

CPLO2

CPHI2

CPOUT

S1

H1

S2

H2

S3

H3

DG3

48 47 46 45 44 43 42 41 40 39 38 37

13 14 15 16 17 18 19 20 21 22 23 24

1

2

3

4

5

6

7

8

9

10

11

12

36

35

34

33

32

31

30

29

28

27

26

25

Table 2-1.

Pin Description

Symbol

I/O

Function

1

VMODE

I

Selector for VCC and interface logic voltage level

2

VINT

I/O

Blocking capacitor

3

RWD

I

Resistor defining the watchdog interval

4

CC

I/O

RC combination to adjust cross conduction time

5

/RESET

O

Reset signal for microcontroller

6

WD

I

Watchdog trigger signal

7

WDD

I

Enable and disable the watchdog

8

EN1

I

Microcontroller output to switch system in Sleep Mode

9

N.C.

Connect to GND

10

N.C.

Connect to GND

11

GND

I

Ground

12

NC

Connect to GND

13

LIN

I/O

LIN-bus terminal

14

NC

Connect to GND

15

TXD

I

Transmit signal to LIN bus from microcontroller

16

IL3

I

Control Input for output L3

17

IH3

I

Control Input for output H3

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