| 数据搜索系统,热门电子元器件搜索 |
|
ST25R95 数据表(PDF) 7 Page - STMicroelectronics |
|
|
|||||||||||||||||||||||||||||
ST25R95 数据表(HTML) 7 Page - STMicroelectronics |
|
7 / 61 page ![]() Figure 4. ST25R95 initialization and operating state change ACTIVE IDLE command Wake-up Protocol Select code Card Emulator READY Protocol Select code Reader WAIT FOR EVENT Power-up Sleep / Field detector Tag detector Hibernate Supply off Serial I/F selection 3.2 Startup sequence After the power supply is established at power-on, the ST25R95 waits for a low pulse on the pin IRQ_IN (t1) before automatically selecting the external interface (SPI) and entering Ready state after a delay (t3). Figure 5. Power-up sequence VPS IRQ_IN First valid command SSI_1 SSI_0 t4 0 V t0 t1 t2 t3 1. Pin IRQ_IN low level < 0.2 VPS_Main. ST25R95 Startup sequence DS12807 - Rev 4 page 7/61 |
|
链接网址 |
| ALLDATASHEET是否为您带来帮助? [ DONATE ] |
关于 Alldatasheet | 广告服务 | 联系我们 | 隐私政策 | 数据表链接 | 链接交换 | 制造商名单 All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |