Samsung Microphone S3C84E5 User Manual

11-1 

The 8-bit timer A is an 8-bit general-purpose timer/counter. Timer A has three operating modes, you can select one 
of them using the appropriate TACON setting:  

—  Interval timer mode (Toggle output at TAOUT pin) 

—  Capture input mode with a rising or falling edge trigger at the TACAP pin 

—  PWM mode (TAPWM) 

Timer A has the following functional components: 

—  Clock frequency divider (fxx divided by 1024, 256, or 64) with multiplexer 

—  External clock input pin (TACK)  

—  8-bit counter (TACNT), 8-bit comparator, and 8-bit reference data register (TADATA) 

—  I/O pins for capture input (TACAP) or PWM or match output (TAOUT) 

—  Timer A overflow interrupt (IRQ1, vector C2H) and match/capture interrupt (IRQ1, vector C0H) generation 

—  Timer A control register, TACON (set 1, bank1, E1H, read/write)