ST5090AD datasheet(9/29 Pages) STMICROELECTRONICS

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Table 2: Control Register CR0 Functions

65432

Function

MCLK = 512 kHz

MCLK = 1.536 MHz

MCLK = 2.048 MHz

MCLK = 2.560 MHz

Linear code

Companded code

Linear Code

Companded Code

2-complement

sign and magnitude

2-complement

1-complement

MU-law: CCITT D3-D4

MU-law: Bare Coding

A-law including even bit inversion

A-law: Bare Coding

B1 and B2 consecutive

B1 and B2 separated

(1)

8 bits time-slot

7 bits time-slot

(1)

Normal operation

Digital Loop-back

state at power on initialization

(1):

significant in companded mode only

Table 3: Control Register CR1 Functions

54321

Function

DM1 DM0

delayed data timing

non-delayed normal data timing

non-delayed reverse data timing

L0 latch set to 1

L0 latch set to 0

DR connected to rec. path

CR2 connected to rec. path

(1)

Trans path connected to DX

CR3 connected to DX

(1)

voice data transfer disable

voice data transfer enable

B1 channel selected

B2 channel selected

(1)

3.3V power supply

5.0V power supply

state at power on initialization

(1):

significant in companded mode only

ST5090

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