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AK4343VN Datasheet, PDF (66/99 Pages) Asahi Kasei Microsystems – Stereo DAC with HP/RCV/SPK-AMP | |||
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[AK4343]
(2)-2. READà»à¾©
R/W bitÍ â1âÍ·à§ß¹ÉºAK4343͸READà²à¡ÎߦÍÎ͢ɻࢦà°ÍÎͨÎÏ
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(2)-2-1. ΧϨϯÏÎÏ
ϨεϦÊÏ
AK4343͸಺෦ʹÎÏ
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Ϩε
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ϨϯÏÎÏ
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Îߦͬͨà§ß¹ÉºÎÏ
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ϨεϦÊÏ
Ͱ͸ɺAK4343͸READà»à¾©Í·ÎµÏ¨ÊÏÎÏ
Ϩε(R/W bit = â1â)Í·à³à¾Í´à¬°Í ͯ֬à³Ô à±´Îà©à©Í ɺà£Í·Î«Ï©
οΫÍÎ಺෦ͷÎÏ
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ÎÍ¢ÅÏÊλÍà¥à¾ÍÎͨÞÅÏελÍÖ¬à³Ô à±´Îà©à©Í¤Í£à°à¢à§Ý
ÎૹÎͱɺREADà²à¡Í¸à¤´à¾Í Î͢ɻ
S
T
A
R/W="1"
R
T
SDA
Slave
S Address
A
C
K
Data(n)
Data(n+1)
Data(n+2)
A
A
A
C
C
C
K
K
K
Figure 67. ΧϨϯÏÎÏ
ϨεϦÊÏ
S
T
O
P
Data(n+x)
A
C
K
P
A
C
K
(2)-2-2. ϥϯμÏÎÏ
ϨεϦÊÏ
ϥϯμÏÎÏ
ϨεϦÊÏ
Í´ÎÎà³ÒÍ·ÎÏ
ϨεͷÏÊλÎಡÎà¥Í¢ÍͱÍÍ°ÍÎ͢ɻϥϯμÏÎÏ
ϨεϦÊ
Ï
͸READà»à¾©Í·ÎµÏ¨ÊÏÎÏ
Ϩε(R/W bit = â1â)Îà³à¾Í¢ÎલʹɺμÏÊÍ·WRITEà»à¾©Îà³à¾Í¢Îà¶à½ÍÍ
ÎÎ͢ɻϥϯμÏÎÏ
ϨεϦÊÏ
Í°Í¸à ·à¥³Í´Öà¢à§Ý
Îà³à¾Í ɺà£Í´WRITEà»à¾©Í·ÎµÏ¨ÊÏÎÏ
Ϩε(R/W bit
= â0â)ɺಡÎà¥Í¢ÎÏ
ϨεÎॱà£à³à¾Í Î͢ɻAK4343ÍÍÍ·ÎÏ
Ϩεà³à¾Í´à¬°Í ͯ֬à³Ô à±´Îà©à©Í ͨÞɺ
à ¶à«¹à§Ý
ɺREADà»à¾©Í·ÎµÏ¨ÊÏÎÏ
Ϩε(R/W bit= â1â)Îà³à¾Í Î͢ɻAK4343͸ÍͷεϨÊÏÎÏ
Ϩεͷà³
à¾Í´à¬°Í ͯ֬à³Ô à±´Îà©à©Í ɺࢦà°ÍÎͨÎÏ
ϨεͷÏÊλÎà¥à¾Í ɺ಺෦ÎÏ
ϨεΧ΢ϯλÎ1ÍΠϯΫ
ϦÏϯÏÍ Î͢ɻÏÊλÍà¥à¾ÍÎͨÞɺÏελÍÖ¬à³Ô à±´Îà©à©Í¤Í£à°à¢à§Ý
ÎૹÎͱɺREADà²à¡Í¸à¤´
à¾Í Î͢ɻ
S
T
A
R/W="0"
R
T
SDA
Slave
S Address
Sub
Address(n)
A
C
K
S
T
A
R/W="1"
R
T
Slave
S Address
A
A
C
C
K
K
Data(n)
Data(n+1)
A
A
C
C
K
K
Figure 68. ϥϯμÏÎÏ
ϨεϦÊÏ
S
T
O
P
Data(n+x)
P
A
A
C
C
K
K
MS0478-J-02
- 66 -
2010/11
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