MC68HC705JP7 Datasheet, PDF (227/242 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
Electrical Specifications
Reset Characteristics
15.17 Reset Characteristics
Characteristic⁽¹⁾
Symbol
Min
Typ
Max
Unit
Low-voltage reset
Rising recovery voltage
Falling reset voltage
LVR hysteresis
V_LVRR
2.4
V_LVRF
2.3
V_LVRH
30
POR recovery voltage⁽²⁾
V_POR
0
POR V_DD slew rate⁽²⁾
Rising⁽²⁾
Falling⁽²⁾
S_VDDR
—
S_VDDF
—
RESET pulse width (when bus clock active)
t_RL
1.5
RESET pulldown pulse width from internal
reset
t_RPD
3
1. +2.7 ≤V_DD ≤+3.3 V, V_SS = 0 V, T_L ≤T_A ≤T_H, unless otherwise noted
2. By design, not tested
3.4
4.4
V
3.3
4.3
V
70
—
mV
—
100
mV
—
0.1
V/µs
—
0.05
—
—
t_CYC
—
4
t_CYC
4.5
4
3.5
3
2.5
–45 –35 –25 –15 –5 5 15 25 35 45 55 65 75 85 95
TEMPERATURE IN ° C
Figure 15-12. Typical Falling Low Voltage Reset
MC68HC705JJ7 • MC68HC705JP7 — REV 4
MOTOROLA
Electrical Specifications
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