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AK5730VQ_17 Datasheet, PDF (36/50 Pages) Asahi Kasei Microsystems – 4-Channel Differential Audio ADC for Line & Mic Inputs | |||
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[AK5730]
â ã·ãªã¢ã«ã³ã³ããã¼ã« ã¤ã³ã¿ãã§ã¼ã¹
(1) 4ç·ã·ãªã¢ã«ã³ã³ããã¼ã«ã¢ã¼ã (SPI pin = âHâ)
ã¬ã¸ã¹ã¿è¨å®ã¯4ç·å¼ã·ãªã¢ã«I/F pin(CSN, CCLK, CDTI, CDTO)ã§æ¸ãè¾¼ã¿ã¾ãã¯èªã¿åºããè¡ãã¾ããI/Fä¸
ã®ãã¼ã¿ã¯Chip address (1bit, C1ã¯â1âã§åºå®), Read/Write (1bit), Register address (MSB first, 6bits) 㨠Control
Data (MSB first, 8bits)ã§æ§æããã¾ãããã¼ã¿éä¿¡å´ã¯CCLKã®âï¯âã§åããããåºåããåä¿¡å´ã¯âïâã§åãè¾¼
ã¿ã¾ãããã¼ã¿ã®æ¸ãè¾¼ã¿ã¯CSN âââ ã®å¾ã16åç®ã®CCLKã®âïâã§æå¹ã«ãªãã¾ãããã¼ã¿ã®èªã¿åºãã¯CSN
ã®âïâã§CDTOã®åºåãHi-Zã«ãªãã¾ããCCLKã®ã¯ããã¯ã¹ãã¼ãã¯5MHz (max)ã§ããPDN pin= âLâã§ã¬ã¸ã¹ã¿
ã®å¤ã¯ãªã»ããããã¾ãã
CSN
CCLK
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
CDTI
WRITE
CDTO
READ
CDTI
CDTO
C1 A5 R/W A4 A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0
Hi-Z
C1 A5 R/W A4 A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0
Hi-Z
Hi-Z
D7 D6 D5 D4 D3 D2 D1 D0
C1: Chip Address (â1âåºå®)
R/W: READ/WRITE (0: READ, 1: WRITE)
A5-A0: Register Address
D7-D0: Control Data
Figure 32. 4ç·ã·ãªã¢ã«ã³ã³ããã¼ã«I/F ã¿ã¤ãã³ã°
MS1577-J-03
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2015/11
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