AK4589 Datasheet, PDF (67/76 Pages) Asahi Kasei Microsystems – 2/8 CHANNEL AUDIO CODEC WITH DIR

ASAHI KASEI
[AK4589]
ಈ࡞આ໌ (ADC/DAC෦, DIR/DIT෦
ڞ௨)
γϦΞϧίϯτϩʔϧΠϯλϑΣʔε

AK4589͸಺෦ʹADC/DAC෦Ϩδελ(AK4588Ϩδελͱ)׵ޓDI/DIT෦Ϩδελ(AK4588Ϩδελ)׵ޓͷ̎
ͭͷϨδελΛ΋ͪ·͢ɻͦΕͧΕͷϨδελ͸νοϓΞυϨεͰࢦఆ͠·͢ɻ
(1) 4ઢγϦΞϧίϯτϩʔϧϞʔυ (I2C pin = “L”)
4ઢࣜγϦΞϧI/F (CSN, CCLK, CDTI, CDTO)ͰɺI/F্ͷσʔλ͸Chip address (2bits, AK4589Ͱ͸ADC/DAC෦
Ϩδελ͸CAD1-0 pinͰઃఆɺDIR/DIT෦͸”00”ݻఆ), Read/Write (1bit), Register address (MSB first, 5bits)ͱ
Control Data (MSB first, 8bits)Ͱߏ੒͞Ε·͢ɻσʔλૹ৴ଆ͸CCLKͷ “↓”Ͱ֤ϏοτΛग़ྗ͠ɺड৴ଆ͸ “↑”
ͰऔΓࠐΈ·͢ɻσʔλͷॻ͖ࠐΈ͸CSNͷ “↑”Ͱ༗ޮʹͳΓɺσʔλͷಡΈग़͠͸CSNͷ “↑”Ͱग़ྗ͕Hi-Z
ʹͳΓ·͢ɻCCLKͷΫϩοΫεϐʔυ͸5MHz (max)Ͱ͢ɻPDN pin= “L”ͰϨδελͷ஋͸Ϧηοτ͞Ε·
͢ɻADC/DAC෦ͷϨδελ͸ϦʔυͰ͖·ͤΜɻ
CSN
CCLK
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
CDTI
WRITE
CDTO
C1 C0 R/W A4 A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0
Hi-Z
READ
CDTI
CDTO
C1 C0 R/W A4 A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0
Hi-Z
Hi-Z
D7 D6 D5 D4 D3 D2 D1 D0
C1,C0:
R/W:
A4-A0:
D7-D0:
Chip Address: (ADC/DAC෦͸CAD1,CAD0 pinʹΑΓઃఆ
CAD1=CAD0 = ”L”ʹ͸ઃఆ͠ͳ͍ͰԼ͍͞)
(DIR/DIT෦͸ ”00”ݻʹఆ)
READ/WRITE (0:READ, 1:WRITE)
Register Address
Control Data
Figure 40. 4ઢࣜγϦΞϧίϯτϩʔϧI/FλΠϛϯά
MS0339-J-00
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2004/09