为什么国内使用microchip的PIC单片机的工程师越来越少了？
大量低端小电器用的是山寨pic, 以台湾的em78xx为代表。 国内还有n家山寨em78，也就是pic的山寨再山寨，价格能做到一两毛，这产量可想而知得多么巨大。 Microchip在兼并ATMEL之前就一直是mcu前 …
CPU Reset When Remapping the PIC Using Limine Bootloader in My OS
Feb 17, 2025 · I'm currently developing an operating system that uses the limine bootloader and follows the limine boot protocol. However, I've encountered an issue: when I call init_PIC(), the CPU resets …
COBOL : Move PIC X TO PIC S9.99 COMP-3 - Stack Overflow
Aug 13, 2020 · 05 I-DATA PIC X(7). 05 I-NUMERIC REDEFINES I-DATA PIC 9999.99. . . MOVE I-NUMERIC TO O-DATA. You need to redefine you AlphaNumerc as a Display Numeric which can …
assembly - 8259A PIC programming issue? - Stack Overflow
Apr 30, 2025 · The issue stems from how the 8259A Programmable Interrupt Controller (PIC) processes commands. When you write 0x11 to the command register (port 0x20), you're actually initiating the …
Android + PIC Microcontroler - Stack Overflow
Feb 20, 2011 · Is it possible to communicate an Android application with a PIC microcontroller by the serial port? What phones of low cost can I use? Sorry by my englisg, I'm from Colombia.
pic - I get the error [PIC18] PC=0x0000. $MCLR$ is low. The processor ...
Nov 30, 2024 · Where is the power supply for the PIC? Where is the pull up resistor on MCLR pin to VDD? Where is the current liminting resistor for the LED? Switch oscillator to internal or use a …
How to perform arithmetic on X pic clauses in COBOL
Apr 19, 2011 · I would like to write a function in COBOL that converts characters from a PIC X(60) data type to uppercase. While I know one way of doing this, I would like to be able to manually go through …
Integer constants in PIC assembly: decimal vs. hex
Jul 16, 2017 · The PIC model that I used is PIC16. I have issue on classifying the data type e.g. MOVLW xxxx where xxxx are the following:- 0x23: hexadecimal 23: decimal D'20': hexadecimal 1Bh: …
Bit size of PIC S9(13)v99 in COBOL - Stack Overflow
Jan 28, 2025 · I read somewhere that PIC s9(13)v99 takes 54 bits of storage such that 1 full word(36 bits) and 1 half word(18 bits). Could someone please explain? TIA
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