Microchip Technology MA330026 Data Sheet
2011-2014 Microchip Technology Inc.
DS70000652F-page 299
dsPIC33FJ16(GP/MC)101/102 AND dsPIC33FJ32(GP/MC)101/102/104
FIGURE 26-5:
TIMER1/2/3 EXTERNAL CLOCK TIMING CHARACTERISTICS
Note: Refer to
for load conditions.
Tx11
Tx15
Tx10
Tx20
TMRx
OS60
TxCK
TABLE 26-22: TIMER1 EXTERNAL CLOCK TIMING REQUIREMENTS
)
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature
(unless otherwise stated)
Operating temperature
-40°C
T
A
+85°C for Industrial
-40°C
T
A
+125°C for Extended
Param
No.
Symbol
Characteristic
(
)
Min
Typ
Max
Units
Conditions
TA10
T
TX
H
T1CK High
Time
Time
Synchronous
mode
mode
Greater of:
20 or
(T
CY
+ 20)/N
—
—
ns
Must also meet
Parameter
Parameter
,
N = prescale value
(1, 8, 64, 256)
(1, 8, 64, 256)
Asynchronous
35
—
—
ns
TA11
T
TX
L
T1CK Low
Time
Time
Synchronous
mode
mode
Greater of:
20 ns or
(T
CY
+ 20)/N
—
—
ns
Must also meet
Parameter
Parameter
,
N = prescale value
(1, 8, 64, 256)
(1, 8, 64, 256)
Asynchronous
10
—
—
ns
TA15
T
TX
P
T1CK Input
Period
Period
Synchronous
mode
mode
Greater of:
40 or
(2 T
CY
+ 40)/N
—
—
ns
N = prescale value
(1, 8, 64, 256)
(1, 8, 64, 256)
OS60
Ft1
SOSC1/T1CK Oscillator
Input Frequency Range
(oscillator enabled by setting
the TCS (T1CON<1>) bit)
Input Frequency Range
(oscillator enabled by setting
the TCS (T1CON<1>) bit)
DC
—
50
kHz
TA20
T
CKEXTMRL
Delay from External T1CK
Clock Edge to Timer Increment
Clock Edge to Timer Increment
0.75 T
CY
+ 40
—
1.75 T
CY
+ 40
ns
Note 1:
Timer1 is a Type A.
2:
These parameters are characterized by similarity, but are not tested in manufacturing.