|
S6E2HE4E0A Datasheet, PDF (143/164 Pages) – | |||
|
◁ |
åç
S6E2HE ç³»å
é«é模å¼ï¼Fm+ï¼
ï¼VCC = 2.7 V ~ 5.5 Vï¼VSS = 0 Vï¼
åæ°
符å·
æ¡ä»¶
é«é模å¼ï¼Fm+ï¼*6
æå°å¼
æ大å¼
åä½
å¤æ³¨
SCL æ¶éé¢ç
fSCL
0
1000
kHz
ï¼éå¤ï¼èµ·å§ä¿¡å·ä¿ææ¶é´
ï¼ä» SDA ä¸éæ²¿å° SCL ä¸é沿ï¼
tHDSTA
0.26
â
μs
SCL æ¶éä½çµå¹³æ¶é´
tLOW
0.5
â
μs
SCL æ¶éé«çµå¹³æ¶é´
tHIGH
0.26
â
μs
SCL æ¶éé¢ç
ï¼éå¤ï¼èµ·å§ä¿¡å·ä¿ææ¶é´
ï¼ä» SDA ä¸éæ²¿å° SCL ä¸é沿ï¼
tSUSTA
tHDDAT
CL = 30 pFï¼
R = (Vp/IOL)*1
0.26
â
μs
0
0.45*2ã*3
μs
æ°æ®å»ºç«æ¶é´
ï¼ä» SDA ä¸é沿/ä¸åæ²¿å° SCL ä¸åæ²¿ï¼ tSUDAT
50
â
ns
åæ¢ä¿¡å·ç建ç«æ¶é´
ï¼ä» SCL ä¸åæ²¿å° SDA ä¸å沿ï¼
tSUSTO
0.26
â
μs
åæ¢ä¿¡å·åèµ·å§ä¿¡å·ä¹é´çæ»çº¿ç©ºé²æ¶é´ tBUF
0.5
â
μs
60 MHz â¤
tCYCP < 80 MHz
6 tCYCP*4
â
ns
80 MHz â¤
tCYCP < 100 MHz
8 tCYCP*4
â
ns
åªå£°è¿æ»¤æ¶é´
tSP
100 MHz â¤
tCYCP < 120 MHz
120 MHz â¤
tCYCP < 140 MHz
10 tCYCP*4
12 tCYCP*4
â
â
ns
*5
ns
140 MHz â¤
tCYCP < 160 MHz
14 tCYCP*4
â
ns
160 MHz â¤
tCYCP < 180 MHz
16 tCYCP*4
â
ns
1ï¼R å CL åå«è¡¨ç¤º SCL å SDA 线çä¸æçµé»åè´è½½çµå®¹ãVp æ¯æä¸æçµé»ççµæºçµåï¼è IOL æ¯æç½®æ»çº¿äº VOL çä¿è¯çµ
æµã
2ï¼tHDDAT çæ大å¼ä¸è½è¶
è¿å¨ä»¶ç SCL ä¿¡å·çä½çµå¹³ï¼tLOWï¼æ¶é´ã
3ï¼åªè¦å¨ä»¶æ»¡è¶³ tSUDAT ⥠250 ns çæ¡ä»¶ï¼é«éæ¨¡å¼ I2C æ»çº¿å¨ä»¶ä¾¿è½å¤ç¨äºæ åæ¨¡å¼ I2C æ»çº¿ç³»ç»ä¸ã
4ï¼tCYCP æ¯æ APB æ»çº¿æ¶éå¨ææ¶é´ãæå
³ I2C ææ¥ç APB æ»çº¿ç¼å·ç详ç»ä¿¡æ¯ï¼è¯·åè第 8 ç« æ¡å¾çå
容ã
å¦é使ç¨é«é模å¼ï¼Fm+ï¼ï¼è¯·å°å¤è®¾æ»çº¿æ¶éçé¢ç设置为 64 MHz ææ´é«ã
5ï¼è®¾ç½®å¯åå¨å¯ä»¥ä¿®æ¹åªå£°è¿æ»¤æ¶é´ãæ ¹æ® APB æ»çº¿æ¶éé¢çæ¹ååªå£°è¿æ»¤èå´ã
6ï¼ä½¿ç¨é«é模å¼ï¼Fm+ï¼æ¶ï¼å° I/O å¼èè®¾ç½®ä¸ºä¸ EPFR å¯åå¨ä¸ I2C Fm+ç¸åºç模å¼ã
æ´å¤æå
³ä¿¡æ¯ï¼è¯·åèâFM4 ç³»åå¤è®¾æåâçâ主è¦âé¨åï¼MN709-00001ï¼ä¸ç¬¬ 12 ç« ï¼I/O 端å£çå
容ã
SDA
SCL
ææ¡£ç¼å·ï¼002-00219 çæ¬**
页 143/164
|
▷ |