em78f644nso28s ELAN Microelectronics Corp, em78f644nso28s Datasheet - Page 86
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em78f644nso28s
Manufacturer Part Number
em78f644nso28s
Description
Flash Series 8-bit Microcontroller
Manufacturer
ELAN Microelectronics Corp
Datasheet
1.EM78F644NSO28S.pdf
(200 pages)
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EM78F648/644/642/641/548/544/542/541N
8-Bit Microcontroller
76 •
Internal clock
TC2 interrupt
Up-counter
TCR2
In Timer mode, counting up is performed using internal clock. When the contents of
up-counter match the TCR2 (TCR2H+TCR2L), the interrupt is then generated and the
counter is cleared. Counting up resumes after the counter is cleared.
In Counter mode, counting up is performed using external clock input pin (TC2 pin)
and either rising or falling edge can be select by setting TC2ES. When the contents
of up-counter match the TCR2 (TCR2H+TCR2L), the interrupt is then generated and
the counter is cleared. Counting up resumes after the counter is cleared.
Timer/Counter 2 Configuration
Figure 6-9a Timer/Counter2 Configuration Block Diagram
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Figure 6-9b Timer Mode Timing Diagram
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(This specification is subject to change without further notice)
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Product Specification (V1.0) 05.05.2010
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match
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counter clear
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