DSPIC30F4012 Microchip Technology Inc., DSPIC30F4012 Datasheet - Page 182

• Manufacturer Part Number: DSPIC30F4012
• Description: Dspic30f4011/4012 Enhanced Flash 16-bit Digital Signal Controller
• Manufacturer: Microchip Technology Inc.

dsPIC30F4011/4012
TABLE 24-13: EXTERNAL CLOCK TIMING REQUIREMENTS
DS70135E-page 180
AC CHARACTERISTICS
OS10
OS20
OS25
OS30
OS31
OS40
OS41
Note 1:
Param
No.
2:
3:
4:
F
T
T
TosL,
TosH
TosR,
TosF
TckR
TckF
Symbol
OSC
CY
OSC
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.
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 or ERC modes. The CLKO signal is measured on the OSC2 pin. CLKO is
low for the Q1-Q2 period (1/2 T
External CLKI Frequency
(external clocks allowed only
in EC mode)
Oscillator 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
= 1/F
Characteristic
OSC
(2)
(2,4)
(2,4)
(2)
CY
(2)
) equals four times the input oscillator time base period. All specified values
(2)
(2,3)
CY
) and high for the Q3-Q4 period (1/2 T
Confidential
.45 x T
Standard Operating Conditions: 2.5V to 5.5V
(unless otherwise stated)
Operating temperature
Min
DC
DC
0.4
10
31
—
—
—
33
—
—
—
4
4
4
4
4
4
4
OSC
Typ
7.37
512
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
(1)
Max
-40°C ≤ T
-40°C ≤ T
7.5
7.5
DC
40
10
10
10
10
10
25
33
20
—
—
—
—
—
—
4
4
CY
Units
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
).
kHz
kHz
A
A
ns
ns
ns
ns
ns
—
© 2007 Microchip Technology Inc.
≤ +85°C for Industrial
≤ +125°C for Extended
EC
EC with 4x PLL
EC with 8x PLL
EC with 16x PLL
RC
XTL
XT
XT with 4x PLL
XT with 8x PLL
XT with 16x PLL
HS
LP
FRC internal
LPRC internal
See parameter OS10
for F
See Table 24-16
EC
EC
See parameter D031
See parameter D032
OSC
Conditions
value