joniengr
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Yesterday, 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. ...6 replies | 150 view(s) -
Yesterday, 13:19joniengr replied to a thread "RS-232 port to transfer data to PC for analysis" in Software Problems, Hints and ReviewsCyclic Redundancy Check11 replies | 423 view(s)
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Yesterday, 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 ?6 replies | 150 view(s)
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Yesterday, 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...11 replies | 423 view(s)
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11th November 2019, 09:40joniengr replied to a thread "RS-232 port to transfer data to PC for analysis" in Software Problems, Hints and ReviewsTwo more questions regarding RS-232 port and UART protocol. 1- VM111 PIC Programmer by Velleman uses RS-232 port to connect programming cable to...11 replies | 423 view(s)
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8th November 2019, 14:14joniengr replied to a thread "RS-232 port to transfer data to PC for analysis" in Software Problems, Hints and ReviewsIt is Extech EA15 Dual Input Temperature Datalogger. Is it possible or allowed to use RS-232 port with a communication protocol other than UART...11 replies | 423 view(s)
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8th November 2019, 13:50joniengr started a thread "RS-232 port to transfer data to PC for analysis" in Software Problems, Hints and ReviewsHi, I am looking for thermocouples with readers. I just found one with software support. There is a statement in the user manual / datasheet. I...11 replies | 423 view(s)
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4th November 2019, 09:28In case of bus power (devices on the development board power up from the +5V Vbus of the USB cable) how much maximum current the USB bus power can...5 replies | 243 view(s)
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3rd November 2019, 18:39If I connect some devices on the development board directly to +5V from the USB cable without any device descriptor then how much maximum current can...5 replies | 243 view(s)
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3rd November 2019, 16:41Hi, I have devices which include Microcontroller and FDTI chip on the development board. I am going to power them up from +5V and GND available in...5 replies | 243 view(s)
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3rd November 2019, 09:14joniengr replied to a thread PCB design 450 MHz LVDS trace routing in PCB Routing Schematic Layout software and SimulationHi, Thanks for suggestion. Kindly send me in good quality. I am not able to read small numbers.8 replies | 576 view(s)
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2nd November 2019, 18:19joniengr started a thread PCB design 450 MHz LVDS trace routing in PCB Routing Schematic Layout software and SimulationHi, I am going to design with 8 layers having LVDS 450 MHz traces. I am just wondering about the Stack-up scheme. How about the following...8 replies | 576 view(s)
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21st October 2019, 12:01"Series 7 is specified for 950 MBPS DDR LVDS speed, 910 MBPS has little margin. It's suggested to use digital phase alignment to adjust the receiver...6 replies | 569 view(s)
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19th October 2019, 07:06Hi, I guess it is ok to sample the ADC data at both positive and negative edges in FPGA, right ? Do the FPGA or ZYNQ have LVDS I/O to take the...6 replies | 569 view(s)
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18th October 2019, 16:54Hi, I am considering AD9257 ADC for my application. The ADC chip is octal which means 8 ADC on chip. The resolution is 14 bits and sampling rate...6 replies | 569 view(s)
About joniengr
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- Analog Circuit Design, Electromagnetic Design and Simulation, PLD, SPLD, GAL, CPLD, FPGA Design, Microcontrollers, PCB Routing / Layout / SImulation
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