PIC24F08KA102-I Datasheet, PDF (239/278 Pages) Microchip Technology – 20/28-Pin General Purpose, 16-Bit Flash Microcontrollers with nanoWatt XLP Technology

PIC24F16KA102 FAMILY
TABLE 29-28: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER
AND BROWN-OUT RESET TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 1.8V to 3.6V
(unless otherwise stated)
Operating temperature -40°C  TA  +85°C for Industrial
-40°C  TA  +125°C for Extended
Param
No.
Symbol
Characteristic
Min. Typ⁽¹⁾ Max. Units
Conditions
SY10 TmcL MCLR Pulse Width (low)
2
—
—
SY11 TPWRT Power-up Timer Period
50
64 90
SY12 TPOR Power-on Reset Delay
1
5
10
SY13 TIOZ
I/O High-Impedance from MCLR —
Low or Watchdog Timer Reset
— 100
SY20 TWDT Watchdog Timer Time-out Period 0.85 1.0 1.15
3.4 4.0 4.6
SY25 TBOR Brown-out Reset Pulse Width
1
—
—
SY35 TFSCM Fail-Safe Clock Monitor Delay
—
2
2.3
SY45 TRST Configuration Update Time
—
20
—
SY55 TLOCK PLL Start-up Time
—
1
—
SY65 TOST Oscillator Start-up Time
— 1024 —
SY75 TFRC Fast RC Oscillator Start-up Time —
1
1.5
SY85 TLPRC Low-Power Oscillator Start-up
Time
—
— 100
Note 1: Data in “Typ” column is at 3.3V, 25°C unless otherwise stated.
s
ms
s
ns
ms
ms
s
s
s
ms
TOSC
s
s
1.32 prescaler
1:128 prescaler
FIGURE 29-8:
BAUD RATE GENERATOR OUTPUT TIMING
BCLKx
BRGx + 1 * TCY TLW THW
TBLD
UxTX
TBHD
 2008-2011 Microchip Technology Inc.
DS39927C-page 239