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Pin configuration, Ata6264 [preliminary – Atmel ATA6264 User Manual

Page 4

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4

4929B–AUTO–01/07

ATA6264 [Preliminary]

2.

Pin Configuration

Figure 2-1.

Pinning QFP44

K15

EVZ

VSAT

GNDD

VINT

COMSATI

SVPERI

VPERI

GNDA

VCORE

SVSAT

USP

K30

K2

IASG1

IASG2

IASG3

ISENS

TxD1

IASG5

IASG4

K1

RESQ

RxD2

RxD1

TxD2

MISO

SSQ

SCLK

MOSI

RESQ2

IREF

UZP

COMEVZO

GNDB

GEVZ

OCEVZ

FBEVZ

CP

SVCORE

CP-OUT

COMCOO

COMCOI

COMSATO

1

2

3

4

9

10

11

5

6

8

7

33

32

31

30

25

24

23

29

28

26

27

44 43 42 41

35 34

36

38 37

39

40

12 13 14 15

21 22

20

18 19

17

16

Table 2-1.

Pin Description

Pin

Symbol

Function

1

USP

Comparator input

2

K30

Continuous connection to the car battery

3

K1

Bus line of 1

st

ISO9141 interface

4

K2

Bus line of 2

nd

ISO9141 interface

5

IASG1

Output of voltage source 1

6

IASG2

Output of voltage source 2

7

IASG3

Output of voltage source 3

8

IASG4

Output of voltage source 4

9

IASG5

Output of voltage source 5

10

ISENS

Output of the current mirror from the IASGx interface

11

TXD1

Data input of the 1

st

ISO9141 interface

12

RESQ

Reset output

13

RXD2

Data output of the 2

nd

ISO9141 interface

14

RXD1

Data output of the 1

st

ISO9141 interface

15

TXD2

Data input of the 2

nd

ISO9141 interface

16

MISO

Data output of the serial interface

17

SSQ

Chip select of the serial interface

18

SCLK

Clock input of the serial interface

19

MOSI

Data input of the serial Interface

20

RESQ2

Redundant reset output

21

IREF

Connection for the external reference resistor

22

UZP

Analog measurement output