PIC12C5XX
TABLE 13-6: DRT (DEVICE RESET TIMER PERIOD) - PIC12C508A, PIC12C509A, PIC12CE518,
PIC12CE519, PIC12LC508A, PIC12LC509A, PIC12LCR509A, PIC12LCE518 and
PIC12LCE519
Oscillator Configuration
POR Reset
Subsequent Resets
(1)
(1)
(1)
IntRC & ExtRC
18 ms (typical)
300 µs (typical)
(1)
XT & LP
18 ms (typical)
18 ms (typical)
Note 1: Data in the Typical (“Typ”) column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only
and are not tested.
FIGURE 13-5: TIMER0 CLOCK TIMINGS - PIC12C508A, PIC12C509A, PIC12CE518, PIC12CE519,
PIC12LC508A, PIC12LC509A, PIC12LCR509A, PIC12LCE518 and PIC12LCE519
T0CKI
40
41
42
TABLE 13-7: TIMER0 CLOCK REQUIREMENTS - PIC12C508A, PIC12C509A, PIC12CE518,
PIC12CE519, PIC12LC508A, PIC12LC509A, PIC12LCR509A, PIC12LCE518 and
PIC12LCE519
AC Characteristics
Standard Operating Conditions (unless otherwise specified)
Operating Temperature
0°C ≤ TA ≤ +70°C (commercial)
–40°C ≤ TA ≤ +85°C (industrial)
–40°C ≤ TA ≤ +125°C (extended)
Operating Voltage VDD range is described in Section 13.1.
Parameter
(1)
Sym Characteristic
Min
Typ
Max Units Conditions
No.
40
Tt0H T0CKI High Pulse Width - No Prescaler
- With Prescaler
0.5 TCY + 20*
10*
—
—
—
—
—
—
—
—
—
—
ns
ns
ns
ns
ns
41
42
Tt0L T0CKI Low Pulse Width - No Prescaler
- With Prescaler
0.5 TCY + 20*
10*
Tt0P T0CKI Period
20 or TCY + 40*
Whichever is greater.
N = Prescale Value
(1, 2, 4,..., 256)
N
*
These parameters are characterized but not tested.
Note 1: Data in the Typical (“Typ”) column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only
and are not tested.
DS40139E-page 90
1999 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
