AK4368 Datasheet, PDF (43/58 Pages) Asahi Kasei Microsystems – PLL & HP-AMP DAC

ASAHI KASEI
[AK4368]
„
γϦΞϧίϯτϩʔϧΠϯλϑΣʔε

(1) 3ઢγϦΞϧίϯτϩʔϧϞʔυ (I2C pin = “L”)
Ϩδελઃఆ͸3ઢࣜγϦΞϧI/F ϐϯ: CSN, CCLK, CDTIͰॻ͖ࠐΈΛߦ͍·͢ɻI/F্ͷσʔλ͸Chip
address(2bits, “01”ݻఆ), Read/Write(1bit, Fixed to “1”, Write only), Register address(MSB first, 5bits), Control
data(MSB first, 8bits)Ͱߏ੒͞Ε·͢ɻσʔλ͸CCLKͷ্ཱ͕ͪΓΤοδͰऔΓࠐΈ·͢ɻσʔλͷॻ͖ࠐΈ
͸CCLKͷ16ΫϩοΫ໨ͷ্ཱ͕ͪΓΤοδͰ༗ޮʹͳΓ·͢ɻCCLKͷΫϩοΫεϐʔυ͸5MHz(max)Ͱ
͢ɻPDN pin = “L”ͰϨδελͷ஋͸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 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0
C1-C0:
R/W:
A4-A0:
D7-D0:
Chip Address (Fixed to “01”)
READ/WRITE (Fixed to “1”, Write only)
Register Address
Control Data
Figure 35. 3ઢγϦΞϧίϯτϩʔϧI/FλΠϛϯά
MS0409-J-01
- 43 -
2005/08