DSPIC33FJ12MC202 Microchip Technology Inc., DSPIC33FJ12MC202 Datasheet - Page 241

• Manufacturer Part Number: DSPIC33FJ12MC202
• Description: High-performance, 16-bit Digital Signal Controllers
• Manufacturer: Microchip Technology Inc.

FIGURE 23-2:
TABLE 23-16: EXTERNAL CLOCK TIMING REQUIREMENTS
© 2007 Microchip Technology Inc.
AC CHARACTERISTICS
OS10
OS20
OS25
OS30
OS31
OS40
OS41
Note 1:
Param
No.
OSC1
CLKO
2:
3:
F
T
T
TosL,
TosH
TosR,
TosF
TckR
TckF
Symb
Data in “Typ” column is at 3.3V, 25°C unless otherwise stated.
Instruction cycle period (T
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.
Measurements are taken in EC mode. The CLKO signal is measured on the OSC2 pin.
OSC
CY
IN
External CLKI Frequency
(External clocks allowed only
in EC and ECPLL modes)
Oscillator Crystal Frequency
T
Instruction Cycle Time
External Clock in (OSC1)
High or Low Time
External Clock in (OSC1)
Rise or Fall Time
CLKO Rise Time
CLKO Fall Time
OSC
EXTERNAL CLOCK TIMING
= 1/F
OS41
Characteristic
OSC
(3)
Q1
(3)
CY
OS20
) equals two times the input oscillator time-base period. All specified values
(2)
Q2
Preliminary
Q3
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature
0.375 x T
dsPIC33FJ12MC201/202
OS40
12.5
Min
DC
3.5
Q4
10
25
—
—
—
—
OS25
OSC
OS30
Q1
Typ
5.2
5.2
—
—
—
—
—
—
—
—
OS30
(1)
Q2
0.625 x T
-40°C ≤ T
-40°C ≤ T
Q3
Max
DC
DC
40
10
40
33
20
—
—
OS31
OSC
A
A
Q4
≤ +125°C for Extended
≤ +85°C for Industrial
OS31
Units
MHz
MHz
MHz
kHz
ns
ns
ns
ns
ns
ns
DS70265B-page 239
EC
XT
HS
SOSC
EC
EC
Conditions