ST7FLITE02 STMICROELECTRONICS [STMicroelectronics], ST7FLITE02 Datasheet - Page 92

• Manufacturer Part Number: ST7FLITE02
• Description: 8-BIT MICROCONTROLLER WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST7LITE0x, ST7LITESx
13.5 CLOCK AND TIMING CHARACTERISTICS
Subject to general operating conditions for V
13.5.1 General Timings
13.5.2 External Clock Source
Notes:
1. Guaranteed by Design. Not tested in production.
2. Data based on typical application software.
3. Time measured between interrupt event and interrupt vector fetch. ∆t
ish the current instruction execution.
4. Data based on design simulation and/or technology characteristics, not tested in production.
Figure 60. Typical Application with an External Clock Source
92/125
1
t
t
w(CLKINH)
w(CLKINL)
Symbol
Symbol
V
V
t
t
t
r(CLKIN)
f(CLKIN)
c(INST)
CLKINH
CLKINL
t
v(IT)
I
L
V
V
Instruction cycle time
Interrupt reaction time
t
CLKIN input pin high level voltage
CLKIN input pin low level voltage
CLKIN high or low time
CLKIN rise or fall time
CLKIN Input leakage current
CLKINH
CLKINL
v(IT)
EXTERNAL
CLOCK SOURCE
= ∆t
c(INST)
Parameter
Parameter
+ 10
t
r(CLKIN)
4)
1)
3)
4)
t
fCLKIN)
CLKIN
90%
f
f
see
V
DD
CPU
CPU
SS
10%
, f
≤V
Figure 60
=8MHz
=8MHz
OSC
IN
Conditions
Conditions
≤V
, and T
DD
t
w(CLKINH)
A
.
c(INST)
I
L
is the number of t
t
w(CLKINL)
1.25
0.7xV
Min
250
10
2
Min
V
15
SS
f
DD
OSC
Typ
ST72XXX
375
Typ
3
CPU
2)
cycles needed to fin-
0.3xV
1500
Max
2.75
Max
12
22
V
±1
15
DD
DD
Unit
Unit
t
t
CPU
CPU
ns
µs
µA
ns
V