ELD5016 datasheet(28/38 Pages) EMC

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eLD5016

8-Bit Microcontroller



Product Specification (V1.0) 2.16.2017

(This specification is subject to change without prior notice)

5.3 TCC / WDT and Prescaler

An 8-bit counter is available as prescaler for either TCC or WDT.



An 8-bit counter is available for either TCC or WDT, determined by the status of Bit

3 (PAB) of the CONT register.



See the prescaler ratio in the CONT register.



Figures 5-7 depict the circuit diagram of TCC/WDT.



Both TCC and the prescaler will be cleared by instructions which write to TCC each

time.



The prescaler will be cleared by the WDTC and SLEP instructions when assigned

to WDT mode.



The prescaler will not be cleared by SLEP instructions when assigned to TCC

mode.

Instruction cycle clock

PAB

SYNC

2 cycles

TCC overflow

interrupt

Data Bus

TCC(R1)

PSR0 ~ PSR2

8-bit Counter

8-to-1 MUX

MUX

PAB

WDT timeout

PAB

WDT

WDTE

16.384kHz

Figure 5-7 TCC and WDT Block Diagram

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