Web继上次写了《51单片机使用I2C总线》之后,今天又研究了一下SPI总线,并封装成51的函数库,以方便以后使用(近期打算使用NRF2401)。 SPI总线的思想其实和I2C类似,也分为数据线和时钟线,只不过SPI的数据线有两根,一根叫做MOSI(Master Output Slave Input,主机输出从机输入)和MISO(Master Input Slave Output ... WebMar 13, 2011 · To create sbit definitions for the individual bits in P3 (address 0xB0), you want: __sbit __at (0xB0) rs; // P3.0 __sbit __at (0xB1) rw; // P3.1 __sbit __at (0xB6) e; // P3.6 …
NSC vs SBI FD: नेशनल सेविंग स्कीम या एसबीआई की एफडी स्कीम, 5 …
WebVibration test Endurance test applying vibration to simulate transportation and use. 10‐55Hz , 15mm amplitude. 60 sec in each of 3 directions X,Y,Z For 15 minutes 3 Static electricity test Endurance test applying electric static discharge. VS=800V, RS=1.5kΩ, CS=100pF One time Note 1: No condensation to be observed. WebApr 10, 2016 · I have the following redefinition, for EFM8BB21F16G-QSOP24: SI_SBIT (COL1, SFR_P0, 3); When I try to evaluate an expression "COL1", I have. COL1 Error: 'COL1' not found. But the code works, half-way. I can look at SFR_P0 as entire register, and I can see its bits are changing, but not when the program tries to set SOME OF THEM to 0. texas official birth certificate
RFID Interfacing with 8051 Microcontroller - Circuit Digest
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