EM78P510N
8-Bit Microcontrollers
6.14.1 Timer Mode
In Timer mode, counting down is performed using the internal clock with prescaler.
When the counter value from T2PD underflows, interrupt is then generated and the
counter is cleared. Counting down resumes after the counter is cleared. The counter
value will automatically reload from T2PD.
Fig 6-31 Timer Mode Timing Chart
6.14.2 PWM Mode
In Pulse Width Modulation (PWM) Output mode, counting down is performed using the
internal clock with prescaler or Fsub with frequency. The PWM2 duty cycle is controlled
by T2TD, and the PWM2 period is controlled by T2PD. The pulse at the PWM2 pin is
held to high level as long as the T2TD counter value is greater than or equal to zero while
the pulse is held to low level until the T2PD counter value underflows.
Fig 6-32 PWM Mode Timing Chart
Product Specification (V0.9) 09.12.2006
(This specification is subject to change without further notice)
• 89
ELAN [ ELAN MICROELECTRONICS CORP ]
