State Transition Diagram - Fujitsu Semiconductor Controller MB89950/950A Hardware Manual

3.7.5

State Transition Diagram

This section shows two state transition diagrams: one diagram for "with power-on
reset" option products and the other for "without power-on reset" products.
I State transition diagrams
Figure 3.7-2 State transition diagram (products with power-on reset)
Power-on
Oscillation stabilization
delay reset state
Figure 3.7-3 State transition diagram (products without power-on reset)
Power-on reset
[1]
[7]
[4]
Stop mode
[5]
Main clock oscillation
stabilization delay
[8]
[7]
[4]
Stop mode
[5] [8]
Main clock oscillation
stabilization delay
Reset state
[2] [3]
[1]
RUN state
[2]
[6]
Power-on
[1]
External reset
Reset state
[2] [3]
[1]
RUN state
[2]
[6]
CHAPTER 3 CPU
[3]
Clock mode
Sleep mode
[3]
Clock mode
Sleep mode
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