AK4631 Datasheet, PDF (42/69 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP

ASAHI KASEI
[AK4631]
„ γϦΞϧίϯτϩʔϧΠϯλϑΣʔε


Ϩδελઃఆ͸3ઢࣜγϦΞϧI/F pin(CSN, CCLK, CDTI)Ͱॻ͖ࠐΈΛߦ͍·͢ɻI/F্ͷσʔλ͸Chip address
(2bits, “10”ݻఆ), Read/Write (1bit; “1”ݻఆ), Register address (MSB first, 5bits) ͱ Control Data (MSB first, 8bits)Ͱ
ߏ੒͞Ε·͢ɻσʔλૹ৴ଆ͸CCLKͷ“↓”Ͱ֤ϏοτΛग़ྗ͠ɺड৴ଆ͸“↑”ͰऔΓࠐΈ·͢ɻσʔλͷॻ
͖ࠐΈ͸CSNͷ“↑”Ͱ༗ޮʹͳΓ·͢ɻCCLKͷΫϩοΫεϐʔυ͸5MHz (max)Ͱ͢ɻPDN pin=“L”ͰϨδε
λͷ஋͸Ϧηοτ͞Ε·͢ɻ


CSN
CCLK
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
CDTI
C1 C0 R/W A4 A3 A2 A2 A0 D7 D6 D5 D4 D3 D2 D1 D0
“1” “0” “1”
C1-C0: Chip Address (C1 = “1”, C0 = “0”); Fixed to “10”
R/W: READ/WRITE (“1”: WRITE, “0”: READ); Fixed to “1”
A4-A0: Register Address
D7-D0: Control data


Figure 40. Serial Control I/F Timing
MS0317-J-01
- 42 -
2004/11