AK4645EN Datasheet, PDF (27/96 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP-AMP

ASAHI KASEI
[AK4645]
„ PLL Master Mode (AIN3 bit = “0”, PMPLL bit = “1”, M/S bit = “1”)
֎෦͔Β11.2896MHz, 12MHz, 12.288MHz, 13MHz, 13.5MHz, 19.2MHz, 24MHz, 26MHz or 27MHzͷΫϩοΫΛ
ೖྗ͠ɺ಺෦ͷPLLʹΑΓMCKO, BICK, LRCKΫϩοΫΛੜ੒͠ग़ྗ͠·͢ɻϚελΫϩοΫग़ྗ(MCKO)
͸PS1-0 bits (Table 10)Ͱઃఆ͞Εͨप೾਺Λग़ྗ͠ɺMCKO bitͰON/OFFՄೳͰ͢ɻBICKग़ྗ͸BCKO bitʹ
ΑΓɺ32fs or 64fsΛબ୒͢Δ͜ͱ͕Ͱ͖·͢ɻ(See Table 11)
AK4645
11.2896MHz, 12MHz, 12.288MHz, 13MHz,
13.5MHz, 19.2MHz, 24MHz, 26MHz,
27MHz
DSP or µP
MCKI
MCKO
BICK
LRCK
SDTO
SDTI
256fs/128fs/64fs/32fs
32fs, 64fs
1fs
MCLK
BCLK
LRCK
SDTI
SDTO
Figure 19. PLL Master Mode
Mode
PS1 bit
PS0 bit
MCKO pin
0
0
0
256fs
Default
1
0
1
128fs
2
1
0
64fs
3
1
1
32fs
Table 10. MCKOप೾਺ (PLLϞʔυ, MCKO bit = “1”)
BCKO bit BICKग़ྗप೾਺
0
32fs
Default
1
64fs
Table 11. BICK Output Frequency at Master Mode
MS0543-J-00
- 27 -
2006/09