CXD2570 Ver la hoja de datos (PDF) - Intersil

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componentes Descripción

Fabricante

CXD2570

1-Bit AD/DA Converter For Audio Application

Intersil 

Pin Descriptions (Continued)

PIN NO.

SYMBOL

28

BCK

29

SIN

30

SOUT

31

DVSS

32

MASL

33

MLSL

34

XSL0

35

XSL1

36

XSL2

37

DASL0

38

DASL1

39

WO

40

DVDD

41

NC

42

NC

43

SUB

44

AVDD1

45

AIN1

46

AVSS1

47

AVSS3

48

AOUT1 (+)

HI2570, CXD2570

I/O

DESCRIPTION

I/O

Serial bit transfer clock for serial input data SIN or serial output data SOUT

(64FS). Outputs in master mode (when Pin 26 is High). Inputs in slave mode

(when Pin 26 is Low). Retrieves serial input data at

; send serial out-

put data at

.

I

Serial data input of 2-channel sampling. The data format is 2’s complement,

and consists of 32-bit slot.

O

Serial data output of 2-channel per sampling. The data format is 2’s comple-

ment, and consists of 32-bit slot.

—

Digital GND

I

Selects whether 16-bit serial data is applied in the first 16-bits or the last 16-

bit of 32-bit slot in serial I/O. High = Frontward truncation; Low = Rearward

truncation

I

Selects whether 16-bit serial data is input/output at LSB first or MSB first in

serial I/O. High = MSB first; Low = LSB first

I

Crystal oscillator selection. Three bits, XSL0 to 2. Selects the clock frequency

to be input from XTLI (Pin 7).

I

Crystal oscillator selection. Three bits, XSL0 to 2. Selects the clock frequency

to be input from XTLI (Pin 7).

I

Crystal oscillator selection. Three bits, XSL0 to 2. Selects the clock frequency

to be input from XTLI (Pin 7).

I

IC measurement. Normally, fixed at High.

I

IC measurement. Normally fixed at Low.

I

Window masked when High; window open when Low (forced synchroniza-

tion). Equipped with a pull-up resistor.

—

Digital power supply

—

—

—

Connected to the substrate in the IC (having the same potential as power sup-

ply). Connect this pin to GND via capacitor on the external printed wiring

board.

—

Analog power supply for channel-1 AD converter

I

Analog input of channel-1 AD converter

—

Analog GND for channel-1 AD converter

—

Analog GND for channel-1 DA converter

O

Analog forward phase output of channel-1 DA converter

4

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