On 15.08.2016 20:01, Philipp Klaus Krause wrote:
> Hello,
> 
> I wrote my first little mcs51 program today, for the Cypress FX2LP. But
> I encountered a problem: Timer 1 runs too fast. When I set up Timer 0
> and Timer 1 the same, Timer 1 runs about 4 times faster.
> 
> I first noticed the problem when trying to do a software UART, which
> worked with Tiemr 1, but not with Timer 2.
> 
> I have attached programs for a 2-bit counter on the LEDs of my board a
> bits 0 and 1 of port A. With Timer 1, the counter increments once per
> second.

The previous two paragraphs were meant to be:

I first noticed the problem when trying to do a software UART, which
worked with Tiemer 0, but not with Timer 1.

I have attached programs for a 2-bit counter on the LEDs of my board a
bits 0 and 1 of port A. With Timer 0, the counter increments once per
second.

> I compile my programs using
> sdcc -mmcs51 test2.c
> and put them onto the FX2LP using
> cycfx2prog prg:test2.ihx run
> 
> Philipp


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