DSPIC30F4012 Microchip Technology Inc., DSPIC30F4012 Datasheet - Page 189

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

FIGURE 24-7:
TABLE 24-22: TIMER1 EXTERNAL CLOCK TIMING REQUIREMENTS
© 2007 Microchip Technology Inc.
AC CHARACTERISTICS
TA10
TA11
TA15
OS60
TA20
Param
No.
T
T
T
Ft1
T
CKEXTMRL
Note: Refer to Figure 24-2 for load conditions.
Symbol
TX
TX
TX
H
L
P
TMRx
TxCK
T1CK High
Time
T1CK Low
Time
T1CK Input
Period
SOSCO/T1CK Oscillator
Input frequency Range
(oscillator enabled by setting
bit, TCS (T1CON<1>)
Delay from External T1CK
Clock Edge to Timer
Increment
TIMERx EXTERNAL CLOCK TIMING CHARACTERISTICS
Characteristic
Synchronous,
no prescaler
Synchronous,
with prescaler
Asynchronous
Synchronous,
no prescaler
Synchronous,
with prescaler
Asynchronous
Synchronous,
no prescaler
Synchronous,
with prescaler
Asynchronous
Tx10
Standard Operating Conditions: 2.5V to 5.5V (unless otherwise stated)
Operating temperature
Confidential
0.5 T
0.5 T
(T
Greater of:
T
CY
20 ns or
0.5 T
CY
Min
Tx15
DC
OS60
CY
CY
10
10
10
10
+ 40)/N
20
+ 10
CY
+ 20
+ 20
dsPIC30F4011/4012
Tx11
Typ
—
—
—
—
—
—
—
—
—
—
—
-40°C ≤ T
-40°C ≤ T
1.5 T
Max
50
—
—
—
—
—
—
—
—
—
A
A
CY
≤ +85°C for Industrial
≤ +125°C for Extended
Units
kHz
ns
ns
ns
ns
ns
ns
ns
—
ns
—
Tx20
Must also meet
parameter TA15
Must also meet
parameter TA15
N = prescale value
(1, 8, 64, 256)
DS70135E-page 187
Conditions