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AK4591VQ Datasheet, PDF (18/41 Pages) Asahi Kasei Microsystems – 入力セレクタ付24bit 4ch ADC + 24bit 6ch DAC | |||
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[AK4591]
ã¬ã¸ã¹ã¿æ§æãä¸è¡¨ã«ç¤ºãã¾ãã
T,TEST:TESTç¨ï¼0ãå
¥åãã¦ä¸ãããï¼ãD0:å
¥åå¤ã¯ç¡è¦ããã¾ãã0ãå
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Command
Name
D7
D6
D5
D4
D3
D2
Code
Write Read
D1
D0 Default
20h 30h CONT0 DFS[1] DFS[0]
DIFS
A2IF[1] A2IF[0]
A1IF[1]
A1IF[0]
22h 32h CONT1 D3IF[1] D3IF[0] D2IF[1] D2IF[0] D1IF[1] D1IF[0]
CKS
24h 34h CONT2 ISIF[1] ISIF[0] OSIF[1] OSIF[0] OUT2E_N OUT1E_N
CKSH
26h 36h CONT3 ASEL1 ASEL1 ASEL1 SWA1
SWI1
PSAD1
TEST
0 0000 0000
0 0000 0000
0 0000 0000
0 0000 0000
[2]
[1]
[0]
28h 38h CONT4 ASEL2 ASEL2 ASEL2 SWA2
SWI2
PSAD2
TEST
0 0000 0000
[2]
[1]
[0]
2Ah 3Ah CONT5 SMUTE
SF1
SF0
DAF
PSDA3
PSDA2
PSDA1
0 0000 0000
2Ch 3Ch CONT6 SWAA3 SWD3 SWAA2 SWD2 SWAA1
SWD1
TEST
0 0000 0000
2Eh 3Eh CONT7 TEST
TEST
TEST
TEST
TEST
TEST
TEST
0 0000 0000
太åã¯ãã·ã¹ãã ãªã»ããæã®ã¿è¨å®å¤æ´ãå¯è½ã§ãããããã¯ã·ã¹ãã ãªã»ããæ以å¤ã§ã®è¨å®å¤
æ´ãç¦æ¢ããã¬ã¸ã¹ã¿ã§ãã
READ,WRITE Codeã®æä¸ä½1bitã¯ç¡è¦ããã¾ãããæå®Command Codeãæ¸ãè¾¼ãã§ãã ããã
1. CONT0,CONT1ã«ããã¦ã¯ã誤åä½é²æ¢ã®ããã·ã¹ãã ãªã»ããæï¼ S_RESET =âLâï¼ä»¥å¤ã¯æ¸ã
è¾¼ãã¾ãããCONT7ã¯ãTESTå°ç¨ã«ã¤ãæ¸ãè¾¼ã¿ãç¦æ¢ãã¾ããCONT7ã¯é常èªã¿åºãå¿
è¦ãã
ãã¾ããããèªã¿åºããå ´åã¯00hã§ãã
2. CONT2~CONT6 ã®ã·ã¹ãã ãªã»ãã以å¤æ¸è¾¼ã¿ç¦æ¢ã¬ã¸ã¹ã¿ä»¥ä¸ã®ã¨ããã§ãã
CONT2:D7,D6,D5,D4,D1 CONT3:D1 CONT4:D1 CONT5:D6,D5,D4 CONT6:D1
å
ä½ä¸ï¼ã·ã¹ãã ãªã»ãã解é¤å¾ï¼ã«CONT2~CONT6ã¸ã®æ¸ãè¾¼ã¿ãè¡ãå ´åã¯ã·ã¹ãã ãªã»ããæ
以å¤æ¸ãè¾¼ã¿ç¦æ¢ã¬ã¸ã¹ã¿ã®è¨å®å¤æ´ãããªãããã«ãã¦ä¸ããã
3. æ¸è¾¼ã¿ãè¡ãã³ã³ããã¼ã«ã¬ã¸ã¹ã¿ã«TESTãããå ´åã¯ãå¿
ã0ãæ¸ãè¾¼ãã§ãã ããã
4. èªã¿åºãã¯ãåä½ä¸ã§ãå¯è½ã§ãã
5. Defaultã¯ã INIT_RESET =âLâã«ãã£ã¦ã¬ã¸ã¹ã¿ãåæåãããåæå¤ã表ãã¾ãã
6. ãã£ã¸ã¿ã«ãã¹åãæ¿ãOUT2E_N,OUT1E_N,SWA1,SWI1,SWA2, SWI2, SWAA3, SWD3, SWAA2,
SWD2,SWAA1,SWD1ã¯ãã·ã¹ãã ãªã»ããä¸ã®æ¸è¾¼ã¿ã®å ´å㯠S_RESET ã®ç«ã¡ä¸ãå¾
8LRCLK(max) å¾ã®Lchéå§ã¨ãã¸ã§åãæ¿ããã¾ããåä½ä¸ã®è¨å®å¤æ´ã®å ´åã¯ãã¬ã¸ã¹ã¿ã«æ¸ã
è¾¼ã¾ãã¦ãã3LRCLK(max)ã§ãã
[MS0295-J-01]
- 18 -
2012/12
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