SiddharthGajjar
Junior Member level 3
Hello guys,
from past few days I'm dealing with LPC11U24 cortex M0 micro-controller.
I've a system with produce only 2.7V for entire circuit, in short my VCC is 2.7V(I've programmed MCU with power down mode using it's PMU).
In my code I'm using UART at 4800 baudrate.
Now cumming to the point, I need TTL level shifter(ic or any other circuit logic) which give at least vcc voltage for UART signal(i.e 2.7V).
If talk about max3232 or max202 then they all works with 3.3V or minimum 3.0V so they're not sufficient to work with 2.7V(I've practically tested before)!
After roaming on internet I've fount max218 which is capable to work between 1.8V to 4.25V but it is too costly for my low cost product!
so can any one suggest me proper solution for this stuff:???:
from past few days I'm dealing with LPC11U24 cortex M0 micro-controller.
I've a system with produce only 2.7V for entire circuit, in short my VCC is 2.7V(I've programmed MCU with power down mode using it's PMU).
In my code I'm using UART at 4800 baudrate.
Now cumming to the point, I need TTL level shifter(ic or any other circuit logic) which give at least vcc voltage for UART signal(i.e 2.7V).
If talk about max3232 or max202 then they all works with 3.3V or minimum 3.0V so they're not sufficient to work with 2.7V(I've practically tested before)!
After roaming on internet I've fount max218 which is capable to work between 1.8V to 4.25V but it is too costly for my low cost product!
so can any one suggest me proper solution for this stuff:???: