DSPIC30F2023 Microchip Technology Inc., DSPIC30F2023 Datasheet - Page 243

• Manufacturer Part Number: DSPIC30F2023
• Description: 28/44-pin Dspic30f1010/202x Enhanced Flash Smps 16-bit Digital Signal Controller
• Manufacturer: Microchip Technology Inc.

TABLE 21-12: EXTERNAL CLOCK TIMING REQUIREMENTS
© 2006 Microchip Technology Inc.
AC CHARACTERISTICS
OS10
OS20
OS25
OS30
OS31
OS40
OS41
Note 1:
Param
No.
2:
3:
4:
5:
F
T
T
TosL,
TosH
TosR,
TosF
TckR
TckF
Symbol
OSC
CY
IN
Data in “Typ” column is at 5V, 25°C unless otherwise stated. Parameters are for design guidance only and
are not tested.
These parameters are characterized but not tested in manufacturing.
The oscillator frequency (F
the PLL is enabled.
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/CLK1 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.
External CLKI Frequency
(External clocks allowed only
in EC mode)
Oscillator Frequency
T
Instruction Cycle Time
External Clock
High or Low Time
External Clock
Rise or Fall Time
CLKO Rise Time
CLKO Fall Time
OSC
= 1/F
Characteristic
OSC
(2)
(2)
(3)
(2)(5)
(2)(5)
in (OSC1)
in (OSC1)
CY
OSC
) equals two times the input oscillator time base period. All specified values
(2)
(2)(4)
) is equal to F
(2)
Preliminary
Standard Operating Conditions: 3.3V and 5.0V (±10%)
(unless otherwise stated)
Operating temperature
.45 x
T
16.5
Min
OSC
33
—
—
—
6
6
6
6
IN
when the PLL is disabled. F
Typ
—
—
—
—
—
—
—
—
dsPIC30F1010/202X
6
6
(1)
15.00
15.00
15.00
15.00
Max
DC
DC
20
10
10
—
-40°C
-40°C
Units
MHz
MHz
MHz
MHz
T
T
ns
ns
ns
ns
ns
ns
A
A
OSC
+85°C for Industrial
+125°C for Extended
is equal to 4 x F
EC
EC with 32x PLL
HS
FRC internal
EC
EC
Conditions
DS70178C-page 241
IN
when