ST75C530 Просмотр технического описания (PDF) - STMicroelectronics

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ST75C530

SUPER INTEGRATED DEVICES WITH DSP, AFE & MEMORIES FORTELEPHONY, MODEM, FAX OVERINTERNET & POTS LINES

STMicroelectronics 

ST75C530 - ST75C540

III - BLOCK DIAGRAMS

III.1 - Analog Interface

DAC

MUTE

ADC

DAC

MUTE

[0..-30]dB

Step 3dB

MUTE

MUTE

ADC

ST75C530/540

III.2 - Internal Block Diagram

TXA1

15

14

HYBRID

Line

TXA2

11

RXA

1

2

SPK1

76

SPK3

77

78

79 SPK2

9

MIC2

8

MIC1

10 MIC3

8/84

ST75C530/540

Pins 34 to 40

SA[0..6]

Pins 22 to 29

SD[0..7]

SINTR 42

DUAL

PORT RAM

RAM

6144 WORDS

ROM

16368 WORDS

PROM

26624

INSTRUCTIONS

AUTOTEST

1024

INSTRUCTIONS

45 46

GIO AND RELAY

EYE DAC

ANALOG

FRONT

END

16 EYEX

17 EYEY

TIME BASE

68 CLKOUT

72 XTAL

OSC

ST18932

DSP

(24Mips)

73 EXTAL

47 RING

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