Misc. 68HC05 Software Examples

This library contains software examples in assembly for 68HC05 microcontrollers.

7J1AEX.ASM
Paced loop program example using the 68HC705J1A.
J1AWATER.ASM
Water tank monitoring example using the 68HC705J1A.
KJ1REMOTE.ASM
TV remote control example using the 68HC705KJ1.
7J1APWM.ASM
Low frequency PWM example using the 68HC705J1A real-time interrupt and timer overflow interrupt.
J1A_SCI.ASM
Softwar UART example that transmits and receives data on the 68HC705J1A.
EX1_HC05.ASM
Simple program that reads the state of a switch on a general-purpose I/O pin and lights an LED based on the state of the switch.
K1THERM.ASM
Thermometer project using the 68HC705K1.
KEYINT.RTN
Using keyboard interrupts to exit from STOP mode.
KEYTRY.ASM
Keypad debounce and decode. When a key is found, it is changed to ASCII and displayed on an LCD.
LCDEX.ASM
Initializes an LCD and displays ABCDEF...S.
SCIEX.ASM
Serial Communications Interface example.
SPIEX.ASM
Serial Peripheral Interface example.
THERMOST.ASM
Home Thermostat example using the 705C8 with indoor/outdoor temperature and time of day.
TIMEREX.ASM
Using the 68HC05 16-bit Timer.
DELAYMS.ASM
Subroutine that delays for a whole number of milliseconds.