AK4116-B Datasheet, PDF (3/19 Pages) Asahi Kasei Microsystems – Evaluation Board

ASAHI KASEI
[AKD4116-B]
b. ΫϩοΫೖग़ྗͷઃఆ
PORT2͔Βೖग़ྗ͞ΕΔ৴߸Ϩϕϧ͸3.3VͰ͢ɻ
PORT2
DIR
1
5
10
6
Figure 2. PORT2ͷϐϯ഑ஔ
b-1. MCKO
AK4116͸ϚελΫϩοΫग़ྗϐϯΛ΋ͪ·͢ɻPLLϞʔυͷ৔߹ɺPLLͷϩοΫϨϯδ͸࠷େ48kHz
·ͰɺMCKOप೾਺͸256fsݻఆͱͳΓ·͢ɻ
X’talϞʔυ࣌͸X’talप೾਺ͷfsʹର͢Δൺ͸XCKS1-0ϏοτͰઃఆ͠ɺ͞ΒʹDIVϏοτʹΑΓX’tal
प೾਺ͱMCKOͷ෼पൺ(x1 or x1/2)Λઃఆ͠·͢(Table 2)ɻ
XCKS1
0
0
1
1
XCKS0
0
1
0
1
X’tal
or
EXT
128fs
256fs
512fs
1024fs
MCKO
DIV=0
128fs
256fs
512fs
1024fs
DIV=1
64fs
128fs
256fs
512fs
fs [kHz]
EXTCLK [MHz]
X’tal [MHz]
2.048 4.096 8.192 11.2896 12.288 24.576
16
32
N/A
N/A
N/A N/A
8
16
32
44.1
48
N/A
N/A
8
16
N/A
N/A
48
N/A N/A
8
N/A
N/A N/A
Default
Table 2. ϚελΫϩοΫग़ྗप೾਺બ୒
(X’tal mode: Clock operation mode 1, 2(UNLCK=1), 3)
<KM077400>
-3-
2005/01