MC68HC05P18A Datasheet, PDF (123/130 Pages) Freescale Semiconductor, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
Electrical Specifications
Control Timing
13.11 Control Timing
Characteristic⁽¹⁾
Symbol
Min
Max Unit
Frequency of operation
Crystal option
External clock source
f_OSC
—
4.2
MHz
dc
4.2
Internal operating frequency
Crystal (f_OSC ÷2)
External clock (f_OSC ÷2)
Cycle time
Low speed
High speed
f_OP
t_CYC
—
2.1
MHz
dc
2.1
476
—
ns
238
Crystal oscillator startup time
Stop recovery startup time (crystal oscillator)
RESET pulse width
Interrupt pulse width low (edge-triggered)
Interrupt pulse period⁽²⁾
OSC1 pulse width
Low speed
High speed
t_OXON
t_ILCH
t_RL
t_ILIH
t_ILIL
t_OH, t_OL
—
—
1.5
125
Note 2
200
100
100
ms
100
ms
—
t_CYC
—
ns
—
t_CYC
—
ns
A/D on current stabilization time
t_ADON
—
100
µs
RC oscillator stabilization time
t_RCON
—
5.0
µs
1. V_DD = 5.0 Vdc, V_SS = 0 Vdc, T_A = –40°C to +125°C, unless otherwise noted
2. The minimum period, t_ILIL, should not be less than the number of cycles it takes to execute the interrupt service routine
plus 19 t_CYC.
MC68HC05P18A
Electrical Specifications
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Technical Data