|
PIC32MX1XX Datasheet, PDF (259/320 Pages) Microchip Technology – 32-bit Microcontrollers (up to 128 KB Flash and 32 KB SRAM) with Audio and Graphics Interfaces, USB, and Advanced Analog | |||
|
◁ |
PIC32MX1XX/2XX
FIGURE 29-5:
EXTERNAL RESET TIMING CHARACTERISTICS
Clock Sources = (FRC, FRCDIV, FRCDIV16, FRCPLL, EC, ECPLL and LPRC)
MCLR
BOR
TMCLR
(SY20)
Reset Sequence
TBOR
(SY30)
(TSYSDLY)
SY02
CPU Starts Fetching Code
Clock Sources = (HS, HSPLL, XT, XTPLL and SOSC)
Reset Sequence
(TSYSDLY)
SY02
TOST
(SY10)
CPU Starts Fetching Code
TABLE 29-20: RESETS TIMING
AC CHARACTERISTICS
Standard Operating Conditions: 2.3V to 3.6V
(unless otherwise stated)
Operating temperature -40°C â¤TA â¤+85°C for Industrial
-40°C â¤TA â¤+105°C for V-temp
Param.
No.
Symbol
Characteristics(1)
Min. Typical(2) Max. Units
Conditions
SY00 TPU
Power-up Period
â
400
600
μs
â
Internal Voltage Regulator Enabled
SY02 TSYSDLY System Delay Period:
â
1 μs +
â
â
â
Time Required to Reload Device
8 SYSCLK
Configuration Fuses plus SYSCLK
cycles
Delay before First instruction is
Fetched.
SY20 TMCLR MCLR Pulse Width (low)
2
â
â
μs
â
SY30 TBOR BOR Pulse Width (low)
â
1
â
μs
â
Note 1: These parameters are characterized, but not tested in manufacturing.
2: Data in âTypâ column is at 3.3V, 25°C unless otherwise stated. Characterized by design but not tested.
© 2011-2012 Microchip Technology Inc.
Preliminary
DS61168D-page 259
|
▷ |