Raspberry Pi is now a microcontroller clawson wrote:
This is what's so extraordinary about RP2040. It's a $1.00 micro but it has two 133MHz 32bit cores, 2048KB flash, 264KB RAM and what's more you can actually buy the...
Sunday, 17 April 2022 - 06:02
AVR64DB SPI N.Winterbottom wrote:99 out of 100 SPI devices have CS active high
But not this one.
Monday, 11 April 2022 - 09:04
The reasons of ARMs controller. avrcandies wrote:Not sure what that means, nothing we send to the avr is in plain text, even opcodes (ADD, BRNE), etc are not sent as plain text.
I meant clear,...
gchapman wrote: edit : AVR64DD28/328 Preliminary Data Sheet (PDF) Same wrong SPI-IF "is cleared by hardware when executing the corresponding interrupt vector"...
N.Winterbottom wrote: I'm beginning to think this is a failure of the simulator. I would always test such very hardware-specific things with real hardware. N....
GermanFranz wrote: kabasan wrote:No one may have reported to Microchip. I just did it. I received confirmation from Microchip with the promise to revise the data...
N.Winterbottom wrote: Is this a single byte transfer with the SPI data register write, happening elsewhere ? Yes it is a single byte transfer. There is a second part in an...
SPI is in Master-Mode. /SS is output.
Developing with false data sheet can be so insidious... The only one valid reset method is just as unusual. Usually writing a '1' to IF clears the flag- if the hardware does not...
It seems that until now there is no correct data sheet for all newer AVR series 0/1/2...
This data sheet error of all newer AVR series now has not been corrected for years and can already be found in the 4808/09
SPIINT: push ... sbi VPORTA_OUT,7 ;RESET /SS = INACTIVE ldi YL,low(CPU1BUFP) ldi YH,high(CPU1BUFP) ;Y= ADDR(CPUBUFP)...
clawson wrote: This is what's so extraordinary about RP2040. It's a $1.00 micro but it has two 133MHz 32bit cores, 2048KB flash, 264KB RAM and what's more you can actually buy the...
N.Winterbottom wrote:99 out of 100 SPI devices have CS active high But not this one.
avrcandies wrote:Not sure what that means, nothing we send to the avr is in plain text, even opcodes (ADD, BRNE), etc are not sent as plain text. I meant clear,...
Pages