dspic33fj128gp204 Microchip Technology Inc., dspic33fj128gp204 Datasheet - Page 334

• Manufacturer Part Number: dspic33fj128gp204
• Description: High-performance, 16-bit Digital Signal Controllers
• Manufacturer: Microchip Technology Inc.

FIGURE 30-5:
TABLE 30-22: TIMER1 EXTERNAL CLOCK TIMING REQUIREMENTS
DS70292C-page 332
AC CHARACTERISTICS
TA10
TA11
TA15
OS60
TA20
Note 1:
Param
No.
T
T
T
Ft1
T
Timer1 is a Type A.
CKEXTMRL
TX
TX
TX
Note: Refer to Figure 30-1 for load conditions.
Symbol
TMRx
TxCK
H
L
P
TIMER1, 2, 3 AND 4 EXTERNAL CLOCK TIMING CHARACTERISTICS
TxCK High Time
TxCK Low Time
TxCK Input Period Synchronous,
SOSCI/T1CK Oscillator Input
frequency Range (oscillator enabled
by setting bit TCS (T1CON<1>))
Delay from External TxCK Clock
Edge to Timer Increment
Characteristic
Synchronous,
no prescaler
Synchronous,
with prescaler
Asynchronous
Synchronous,
no prescaler
Synchronous,
with prescaler
Asynchronous
no prescaler
Synchronous,
with prescaler
Asynchronous
Tx10
Preliminary
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature
Tx15
OS60
0.5 T
0.5 T
(T
Greater of:
T
CY
20 ns or
0.5 T
CY
Min
DC
Tx11
CY
10
10
CY
10
10
+ 40)/N
20
+ 40
CY
+ 20
+ 20
Typ
—
—
—
—
—
—
—
—
—
—
—
-40°C ≤ T
-40°C ≤ T
(1)
1.5 T
Max
50
—
—
—
—
—
—
—
—
—
Tx20
© 2009 Microchip Technology Inc.
A
CY
A
≤ +85°C for Industrial
≤ +125°C for Extended
Units
kHz
ns
ns
ns
ns
ns
ns
ns
—
ns
—
Must also meet
parameter TA15
Must also meet
parameter TA15
N = prescale
value
(1, 8, 64, 256)
Conditions
—
—
—
—