PIC18F1230 MICROCHIP [Microchip Technology], PIC18F1230 Datasheet - Page 280
PIC18F1230
Manufacturer Part Number
PIC18F1230
Description
18/20/28-Pin, Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F1230.pdf
(312 pages)
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PIC18F1230/1330
22.4.3
FIGURE 22-6:
TABLE 22-6:
DS39758B-page 278
1A
1
2
3
4
Note 1:
Param.
No.
OSC1
CLKO
F
T
T
T
T
T
T
Instruction cycle period (T
except PLL. All specified values are based on characterization data for that particular oscillator type under
standard operating conditions with the device executing code. Exceeding these specified limits may result
in an unstable oscillator operation and/or higher than expected current consumption. All devices are tested
to operate at “min.” values with an external clock applied to the OSC1/CLKI pin. When an external clock
input is used, the “max.” cycle time limit is “DC” (no clock) for all devices.
TIMING DIAGRAMS AND SPECIFICATIONS
Symbol
OSC
CY
OS
OS
OS
OS
OSC
L,
H
R,
F
EXTERNAL CLOCK TIMING REQUIREMENTS
External CLKI Frequency
Oscillator Frequency
External CLKI Period
Oscillator Period
Instruction Cycle Time
External Clock in (OSC1)
High or Low Time
External Clock in (OSC1)
Rise or Fall Time
EXTERNAL CLOCK TIMING (ALL MODES EXCEPT PLL)
Q4
Characteristic
CY
Q1
(1)
) equals four times the input oscillator time base period for all configurations
1
(1)
(1)
Advance Information
(1)
(1)
Q2
1000
Min
250
250
100
100
160
DC
DC
DC
DC
0.1
2.5
50
32
50
30
10
—
—
—
4
5
5
2
3
31.25
Max
Q3
200
250
250
7.5
20
20
20
50
—
—
—
—
—
—
—
—
—
—
1
4
4
1
3
Units
MHz
MHz
MHz
MHz
MHz
kHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
s
s
s
Q4
4
XT, RC Oscillator modes
HS Oscillator mode
LP Oscillator mode
RC Oscillator mode
XT Oscillator mode
HS Oscillator mode
LP Oscillator mode
XT, RC Oscillator modes
HS Oscillator mode
LP Oscillator mode
RC Oscillator mode
XT Oscillator mode
HS Oscillator mode
HS Oscillator mode
LP Oscillator mode
T
T
XT Oscillator mode
LP Oscillator mode
HS Oscillator mode
XT Oscillator mode
LP Oscillator mode
HS Oscillator mode
CY
CY
© 2006 Microchip Technology Inc.
= 4/F
= 4/F
4
OSC
OSC
Conditions
, Industrial
, Extended
Q1
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