3

ATSAM2193/ATSAM2193-G

2695A–DRMSD–06/03

CKOUT

7

OUT

Buffered X2 output, can be used to drive external DAC master clock (256 * Fs)

LFT

43

-

PLL external RC network.

RESET

5

IN

Reset input, active low. This is a Schmitt trigger input, allowing direct connection to an RC

network.

PWROUT

36

PWR

Power switch output. Use this pin to supply 2.5V nominal core voltage by connecting it to all

V

PDWN

37

IN

Power down, active low. When power down is active, all outputs are set to logic level 0. The

PLL and crystal oscillator are stopped. If the power switch feature is used, then 2.5V supply

is removed from the core. To exit from power down, PDWN must be set to V

applied. When unused this pin must be connected to V

TEST0 -

TEST1

13, 25

IN

Test pins, should be grounded.

RUN

19

OUT

When high, indicates synthesizer is up and running.

Table 1. Pin by Function - 44-lead TQFP Package (Continued)

Pin Name

Pin Number

Type

Function

Table 2. Pinout by Pin Number - 44-lead TQFP Package

Pin Number

Signal Name

Pin Number

Signal Name

Pin Number

Signal Name

Pin Number

Signal Name

1

VC2

12

VC2

23

WSBD

34

GND

2

A0

13

TEST0

24

D6

35

PWRIN

3

CLBD

14D2

25TEST1

36

PWROUT

4CS

15

DACSEL

26

D7

37

PDWN

5

RESET

16

D3

27

DABD

38

GND

6

D0

17

MIDI IN.

28

IRQ

39

X1

7

CKOUT

18

D4

29

VC3

40

X2

8

D1

19

RUN

30

GND

41

VC2

9GND

20

GND

31

RD

42

GND

10

VC3

21D5

32VC2

43

LFT

11

GND

22

GND

33

WR

44

VC2