Datasheet

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