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EM78P221/2N
8-Bit Microcontroller with OTP ROM
56 •
Product Specification (V1.0) 10.19.2007
(This specification is subject to change without further notice)
10 Timing Diagrams
RESET Timing (CLK="0")
CLK
/RESET
NOP
Instruction 1
Executed
Tdrh
TCC Input Timing (CLKS="0")
CLK
TCC
Ttcc
Tins
AC Testing : Input is driven at VDD-0.5V for logic "1",and GND+0.5V for logic "0".Timing
measurements are made at 0.75VDD for logic "1",and 0.25VDD for logic "0".
AC Test Input/Output Waveform
VDD-0.5V
GND+0.5V
0.75VDD
0.25VDD
TEST POINTS
0.75VDD
0.25VDD