ST5088D View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

ST5088D

PROGRAMMABLE AUDIO FRONT END FOR DIGITAL PHONES AND ISDN TERMINALS

STMicroelectronics 

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ST5088

Table 10: Control Register CR8 Functions

7 65 43 21 0

f17 f16 f15 f14 f13 f12 f11 f10

Function

msb

lsb Binary equivalent of the decimal number used to calculate f1

Table 11: Control Register CR9 Functions

7 65 43 21 0

f27 f26 f25 f24 f23 f22 f21 f20

Function

msb

lsb Binary equivalent of the decimal number used to calculate f2

Table 12: Control Register CR10 Functions

7 65 43 21 0

GLS ACE VT1 VT0 FD1 FD0 DFT HFT

Function

1

+27 dB into LH Path

0

(*) +9dB into LH Path

1

Anticlipping ON

0

(*) Anticlipping OFF

00

01

10

11

(*) -15dm0 Anticlipping Threshold

-13dm0 Anticlipping Threshold

-9dm0 Anticlipping Threshold

-7dm0 Anticlipping Threshold

00

01

10

11

(*) 256ms Gain Recovery Time Constant / (4Hz)

128ms Gain recovery Time Constant / (8Hz)

32ms Gain Recovery Time Constant / (31Hz)

16ms Gain Recovery Time Constant / (62Hz)

0 0 (*) Standard Frequency Tone Range

0 1 Halved Frequency Tone Range

1 0 Doubled Frequency Tone Range

1 1 Forbidden

(*) Default values inserted into the Register at Power On.

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