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SM89S16R1_06 Datasheet, PDF (11/29 Pages) SyncMOS Technologies,Inc – 8-Bits Micro-controller With 64KB Flash ROM & 1KB RAM & RTC & ADC & PWM & PDWU embedded | |||
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SyncMOS Technologies International, Inc.
SM89S16R1
8-Bits Micro-controller
With 64KB Flash ROM & 1KB RAM & RTC & ADC & PWM & PDWU embedded
VIH1
tCLKH
tCLKR
tLLIV
0.8V
tCLKL
tCLK
Figure 4 External Clock Drive waveform
2.0V
2.0V
Test Points
0.8V
0.8V
Notes:
AC inputs during testing are driven at 2.4V for logic
âHIGHâ and 0.45V for logic âLOWâ. Timing
measurements are at 2.0V for logic âHIGHâ and 0.8V
Figure 5 AC Testing Input/Output
Floating
2.0V
2.0V
0.8V
0.8V
Notes:
The float state is define as the point which PORT 0
pins sinks 3.2mA or source 400µA at the voltage
test level.
Figure 6 AC Testing, Floating Waveform
ALE
/PSEN
PORT0
PORT2
A8-A15
t LHLL
t AVLL
t LLPL
t PLIV
t PLPH
t LLAX
A0-A7
t PLAZ
t LLIV
t AVIV
A8-A15
INSTR IN
t PXIZ
t PXIX
Figure 7 External Program Memory Read Cycle
A0-A7
A8-A15
Specifications subject to change without notice contact your sales representatives for the most recent information.
Ver 2.1 SM89S16R1 08/2006
11
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