joniengr
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19th November 2019, 10:07PLL only multiples by 24 or 4 ? How about getting 40 MHz using PLL from internal 8 HMz ?4 replies | 427 view(s) -
18th November 2019, 11:04Hi, I am having 16 MHz X-Tal crystal and I would like to get 40 MHz FOSC for higher baud rate. I guess PLL in PIC18F2550 can generate 4 times the...4 replies | 427 view(s)
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18th November 2019, 10:54joniengr replied to a thread "RS-232 port to transfer data to PC for analysis" in Software Problems, Hints and ReviewsI understand that MCP2221 is just a UART character transfer device which bridge or map UART to USB. The CRC is a part of protocol and can be...13 replies | 868 view(s)
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18th November 2019, 10:45This means that the nearest baud rate to 115200 with 16 MHz crystal in PIC16F876 is 16,000,000/(16*(1+7)) = 125,000, right ? where SPBRG register has...9 replies | 655 view(s)
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16th November 2019, 14:35I don't find 14.74 MHz and 921 kBaud in the chapter 10.1 of datasheet 16F876. I was using internal oscillator which limit me to 57600 baud rate. ...9 replies | 655 view(s)
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16th November 2019, 13:19joniengr replied to a thread "RS-232 port to transfer data to PC for analysis" in Software Problems, Hints and ReviewsCyclic Redundancy Check13 replies | 868 view(s)
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16th November 2019, 11:55Hi, I have tested PIC 16F876 with 57600 which works fine. However it fails at 115200. Is this a limit ? Is it possible to use 16F876 with 115200 ?9 replies | 655 view(s)
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16th November 2019, 11:51joniengr replied to a thread "RS-232 port to transfer data to PC for analysis" in Software Problems, Hints and ReviewsAnother question related to UART and RS-232. If I use MCP 2221 which is UART to USB bridge with Microcontroller. Then I need to connect Tx, Rx of the...13 replies | 868 view(s)
About joniengr
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Areas of Interest
- Area of specialization:
- Analog Circuit Design, Electromagnetic Design and Simulation, PLD, SPLD, GAL, CPLD, FPGA Design, Microcontrollers, PCB Routing / Layout / SImulation
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