M65818AFP datasheet(28/39 Pages) RENESAS

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M65818AFP

Rev.1.00, Sep.04.2003, page 28 of 38

6.2. System1 Mode

bit

Flag Name

Functional Explanation

INIT

MODE1

Mode Setting 1

"L" fixed



MODE2

Mode Setting 2

"H" fixed



IFMT0

Input Format Selection

Refer to Table 6-2-1.

IFMT1

IBIT0

Setting for Input Word Length

Refer to Table 6-2-2.

6IBIT1

ISF0

Input Sampling Rate Selection

Refer to Table 6-2-3.

8ISF1

EMPFS1

Fs selection for De-emphasis

Filter

Refer to Table 6-2-4.

EMPFS2

DF1IMUTE

Zero Mute of DATA input

Active

Non-active

DF2IMUTE

Zero Mute at sampling rate

converter input

Active

Non-active



don't care



don't care



don't care



ASYNCEN1

synchronous Detection Flag for

Primary Side

enable

disable

don't care

ASYNC1MODE

Select process under

asynchronization in primary side

Zero Mute

PWM:duty 50%

EXMODE

Mode select of external 8fs data

input

Sync. by primary

side

Sync. by secondary

side

PWMMODE0

Selection of Output PWM Form

Refer to Table 6-2-5

PWMMODE1

PWMHP

Reverse Phase of OUTL1-/R1-

Active

Non-active

Table 6-2-1 Input Format

bit

Flag Name

MSB First Left

Justified

MSB First Right

Justified

LSB First Right

Justified

IFMT0

IFMT1

Table 6-2-2 Setting for Input Data Word Length

bit

Flag Name

16bit

20bit

24bit

Don't use

5IBIT0

6IBIT1

Table 6-2-3 Input Sampling Rate Selection (fsi: 32k to 48kHz 2fsi: 64k to 96kHz, 4fsi: 128k to 192kHz)

bit

Flag Name

fsi

2fsi

4fsi

Don't use

7ISF0

8ISF1

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