EM78P312N
8-Bit Microcontroller
Fosc/223
Fosc/221
Fosc/216
Fosc/214
Fosc/213
Fosc/212
Fosc/211
Fosc/29
MUX
Falling Edge
Detector
TBT
Interrupt
TBTEN
TBTCK2:0
3
TBKTC
Fig. 5-8 TBT Configuration
The Time Base Timer is used to generate the base time for key scan or dynamic
display processing. The interrupt is generated in the first falling edge of the source
clock after TBTEN is set to “1”.
Source Clock
TBTEN
TBT Interrupt
Fig. 5-9 Time Base Timer Timing Chart
Product Specification (V1.0) 10.03.2006
(This specification is subject to change without further notice)
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ELAN [ ELAN MICROELECTRONICS CORP ]
