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STU2071

4B3T U INTERFACE CIRCUIT

STMicroelectronics 

STU2071

MODE DEPENDENT FUNCTIONS

PIN

LT

BURST

S2, S1, S0

DIN

DOUT

CLS (MHz)

CL (KHz)

FR (KHz)

input

input

input

input

output

output

input

output

input

output

LT burst

1

1

static

2048

kbit/s

7.68

4096

–

8

–

NT

0

0

100

256

kbit/s

7.68

–

512

–

8

RECOMMENDED APPLICATIONS

LT mode

Figure 2: LT Schematic Application Diagram

MODE

LT

1

0

000

256

kbit/s

7.68

512

–

8

–

LTRP

0

0

001

256

kbit/s

–

512

–

8

–

NTRP

0

0

010

256

kbit/s

7.68

–

512

–

8

DIN:

DOUT:

CL:

FR:

XTAL2:

CLS:

4/18

Data input, datarate = 256 kbit/s, continuous

Data output, datarate = 256 kbit/s, continuous

Data clock input, f = 512 KHz

Frame clock input, f = 8 KHz (1:1)

System clock input, f = 15.36 MHz (Tx clock synchronous to system clock)

Clock output, 7.68 MHz

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