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AK8152 Datasheet, PDF (3/21 Pages) Asahi Kasei Microsystems – Single PLL Two Output Clock Generator | |||
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ï¼ï¼ç«¯å説æ
ï¼ï¼ï¼ï¼ 端åé
ç½®å³
1:CLKOUT1
2:VDDO1
3:SVSS
4: SDA
5: SCL
[AK8152]
10: VDD
9:VSS
8:ICLK
7:VDDOï¼
6:CLKOUTï¼
ï¼ï¼ï¼ï¼ 端åæ©è½èª¬æ
端åçªå·
1
2
3
4
5
6
7
8
9
10
端åå
(端åã¿ã¤ã)
CLKOUT1
(DO)
VDDOï¼
(PWR)
SVSS
(PWR)
SDA
(DIO)
SCL
(DI)
CLKOUT2
(DO)
VDDO2
ï¼PWRï¼
ICLK
(DI)
VSS
ï¼PWRï¼
VDD
ï¼PWRï¼
説æ
ã¯ããã¯åºåï¼
PLLåºåã¾ãã¯ICLK端åå
¥åãåå¨å¨DIV1ã§åå¨ããã¯ããã¯ãåºåãã¾ãã
ã¬ã¸ã¹ã¿CLK1EN=0ã®æãâLâåºåã«ãªãã¾ã(100kΩ ãã«ãã¦ã³)ã
åºåé»å§ã¯VDDO1端åã§è¨å®ãã¾ãã
ã¯ããã¯åºå端åç¨é»æºï¼
CLKOUT1端åç¨ã®é»æºç«¯åã§ãã1.7ï½2.8Vãä¾çµ¦ãã¦ä¸ããã
ã°ã©ã³ã
ã·ãªã¢ã«ãã¼ã¿å
¥åºåï¼ãªã¼ãã³ãã¬ã¤ã³ï¼
2ç·å¼ãã¸ã¿ã«I/Fãã¹ç¨ãã¼ã¿å
¥åºå端åã§ãã
1.8Vç³»ã®å
¥åºåã§ããã3.6Vã¾ã§ã®ãã¹ã©ã¤ã³ã«æ¥ç¶å¯è½ã§ãã
ã·ãªã¢ã«ã¯ããã¯å
¥å
2ç·å¼ãã¸ã¿ã«I/Fãã¹ç¨ã¯ããã¯å
¥å端åã§ãã
1.8Vç³»ã®å
¥åºåã§ããã3.6Vã¾ã§ã®ãã¹ã©ã¤ã³ã«æ¥ç¶å¯è½ã§ãã
ã¯ããã¯åºåï¼
PLLåºåã¾ãã¯ICLK端åå
¥åãåå¨å¨DIV2ã§åå¨ããã¯ããã¯ãåºåãã¾ãã
ã¬ã¸ã¹ã¿CLK2EN=0ã®æãâLâåºåã«ãªãã¾ã(100kΩ ãã«ãã¦ã³)ã
åºåé»å§ã¯VDDO2端åã§è¨å®ãã¾ãã
ã¯ããã¯åºå端åç¨é»æºï¼
CLKOUT2端åç¨ã®é»æºç«¯åã§ãã1.7ï½2.8Vãä¾çµ¦ãã¦ä¸ããã
ã¯ããã¯å
¥å
å
¥åå¨æ³¢æ°ã¯ã12M/19.2M/26M/27M/48MHzã®ä¸ããé¸æãã¾ãã
1.8Vå
¥åã§ããCLKç¡å
¥åæã¯STBYã¬ã¸ã¹ã¿ãâï¼âãè¨å®ãã¦ãã ããã
ã°ã©ã³ã
ã³ã¢ç¨é»æº
1.8V±0.1Vãä¾çµ¦ãã¦ä¸ããã
draft-J-00b
-3-
2010/3
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