PIC18F258T-I/SP 查看數據表（PDF） - Microchip Technology

零件编号

产品描述 (功能)

生产厂家

PIC18F258T-I/SP

28/40-Pin High-Performance, Enhanced Flash Microcontrollers with CAN Module

Microchip Technology 

FIGURE 3-6:

SLOW RISE TIME (MCLR TIED TO VDD)

5V

VDD

0V

1V

MCLR

INTERNAL POR

TPWRT

PWRT TIME-OUT

TOST

OST TIME-OUT

INTERNAL RESET

PIC18FXX8

FIGURE 3-7:

TIME-OUT SEQUENCE ON POR W/PLL ENABLED (MCLR TIED TO VDD)

VDD

MCLR

IINTERNAL POR

PWRT TIME-OUT

OST TIME-OUT

TPWRT

TOST

TPLL

PLL TIME-OUT

INTERNAL RESET

Note: TOST = 1024 clock cycles.

TPLL ≈ 2 ms max. First three stages of the PWRT timer.

© 2006 Microchip Technology Inc.

DS41159E-page 29

Share Link: