MC68181 Datasheet, PDF (13/119 Pages) Freescale Semiconductor, Inc – Advance Information ROAMING FLEX chip SIGNAL PROCESSOR

Freescale Semiconductor, Inc.
MC68181
RESET Timing
V_DD
Oscillator
RESET
READY
t_START
t_RESET
t_OWRL
t_RHRL
Figure 2-1 Startup Timing
AA1221
RESET TIMING
(V_DD = 1.8 to 3.6 V, TA = –30 to 85°C)
Table 2-5 Reset Timing
Characteristic
Conditions
Symbol Min
RESET Pulse Width
RESET Low to READY High
RESET High to READY Low
—
t_RL
200
—
t_RLRH
—
Requires stable
t_RHRL
—
76.8 kHz clock source
Max Unit
—
ns
200
ns
1
sec
RESET
t_RL
READY
t_RLRH
t_RHRL
Figure 2-2 Reset Timing
AA1222
MOTOROLA
MC68181 Technical Data Sheet
2-5
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