SM5964A Datasheet, PDF (10/30 Pages) SyncMOS Technologies,Inc – 8-Bit Micro-controller With 64KB ISP Flash & TWSI & PWM & 1KB RAM embedded

SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI & PWM & 1KB RAM embedded
V_IH1
t_CLKH
0.8V
t_CLKR
t_CLKL
t_CLK
t_CLKF
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
“HIGH” and 0.45V for logic “LOW”. Timing
measurements are at 2.0V for logic “HIGH” and 0.8V
for logic “LOW”
Figure 5 AC Testing Input/Output
ALE
/PSEN
PORT0
PORT2
A8-A15
2.0V
0.8V
Floating
2.0V
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
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.
10
Ver 2.3 SM5964A 10/2006