Microchip Technology MA330020 데이터 시트
dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/X04
DS70000318G-page 308
2008-2014 Microchip Technology Inc.
TABLE 24-24: TIMER2 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
TB10
T
TX
H
T2CK High
Time
Time
Synchronous
Greater of:
20 ns or
(T
CY
+ 20)/N
—
—
ns
Must also meet
Parameter TB15,
N = Prescale value
(1, 8, 64, 256)
Parameter TB15,
N = Prescale value
(1, 8, 64, 256)
TB11
T
TX
L
T2CK Low
Time
Time
Synchronous
Greater of:
20 ns or
(T
CY
+ 20)/N
—
—
ns
Must also meet
Parameter TB15,
N = Prescale value
(1, 8, 64, 256)
Parameter TB15,
N = Prescale value
(1, 8, 64, 256)
TB15
T
TX
P
T2CK Input
Period
Period
Synchronous
Greater of:
40 ns or
(2 T
CY
+ 40)/N
—
—
ns
N = Prescale value
(1, 8, 64, 256)
(1, 8, 64, 256)
TB20
T
CKEXTMRL
Delay from External T2CK
Clock Edge to Timer
Increment
Clock Edge to Timer
Increment
0.75 T
CY
+ 40
—
1.75 T
CY
+ 40
ns
TABLE 24-25: TIMER3 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
TC10
T
TX
H
T3CK High
Time
Time
Synchronous
T
CY
+ 20
—
—
ns
Must also meet
Parameter TC15
Parameter TC15
TC11
T
TX
L
T3CK Low
Time
Time
Synchronous
T
CY
+ 20
—
—
ns
Must also meet
Parameter TC15
Parameter TC15
TC15
T
TX
P
T3CK Input
Period
Period
Synchronous,
with prescaler
with prescaler
2 T
CY
+ 40
—
—
ns
TC20
T
CKEXTMRL
Delay from External T3CK
Clock Edge to Timer
Increment
Clock Edge to Timer
Increment
0.75 T
CY
+ 40
—
1.75 T
CY
+ 40
—