MCMC68HC05L16 Freescale Semiconductor, Inc, MCMC68HC05L16 Datasheet - Page 122

• Manufacturer Part Number: MCMC68HC05L16
• Description: M68hc05 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Electrical Specifications
12.9 Control Timing
122
Frequency of oscillation (OSC)
Internal operating frequency
clock (f
Cycle time (fast OSC selected)
RESET pulse width when bus clock active
Timer
Interrupt pulse width low (edge-triggered)
Interrupt pulse period
OSC1 pulse width (external clock input)
1. +2.2 ≤ V
2. The system clock divider configuration (SYS1–SYS0 bits) should be selected such that the internal operating frequency
3. The minimum period, t
Crystal
External clock
V
V
V
V
Resolution
Input capture (TCAP) pulse width
(f
plus 21 t
DD
DD
DD
DD
OP
OSC
) does not exceed value specified in f
= 4.5 V to 5.5 V
= 2.2 V to 5.5 V
= 4.5 V to 5.5 V
= 2.2 V to 5.5 V
/2)
DD
cyc
.
≤ +5.5 Vdc, V
(3)
ILIL
Characteristic
, should not be less than the number of cycle times it takes to execute the interrupt service routine
(2)
SS
, crystal or external
= 0 Vdc, T
MC68HC05L16 • MC68HC705L16 Data Sheet, Rev. 4.1
L
(1)
≤ T
OP
A
for a given f
≤ T
H
, unless otherwise noted.
OSC
.
Symbol
t
t
OH
TH
t
RESL
t
t
f
t
t
f
ILIH
osc
ILIL
cyc
RL
op
, t
, t
TL
OL
see note
Min
480
284
284
110
1.0
1.5
4.0
dc
—
—
—
Freescale Semiconductor
Max
4.2
4.2
2.1
1.0
—
—
—
—
—
—
—
—
MHz
MHz
Unit
t
t
t
ns
µs
ns
ns
ns
cyc
cyc
cyc