129
Pin 26, Port D Bit 5
This pin drives the green LED and may also be used for PWM generation based on Timer 1. See the
Atmel ATmega32, ATmega644 or ATmega644p documentation for more details on the latter function.
Pin 27, Port D Bit 4
This pin is the output point for the standard OutputCapture() routine. It may also be used for PWM
generation based on Timer 1. See the Atmel ATmega32, ATmega644 or ATmega644p documentation
for more details on the latter function.
SCK, MISO, MOSI
These pins are the inputs and outputs for the SPI bus by which external SPI devices may be connected to
the ZX-24/ZX-24a.
Vcc, Reset, Gnd, CS
These pins are used in the manufacturing and testing processes.