PIC18F442-E/P Microchip Technology, PIC18F442-E/P Datasheet - Page 25
PIC18F442-E/P
Manufacturer Part Number
PIC18F442-E/P
Description
IC MCU CMOS 40MHZ 8K FLASH 40DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F242-ISO.pdf
(332 pages)
3.PIC18F242-ISO.pdf
(14 pages)
4.PIC18F242-ISO.pdf
(16 pages)
5.PIC18F242-ISO.pdf
(16 pages)
6.PIC18F242-ISO.pdf
(14 pages)
7.PIC18LF242-ISO.pdf
(36 pages)
Specifications of PIC18F442-E/P
Core Size
8-Bit
Program Memory Size
16KB (8K x 16)
Core Processor
PIC
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
34
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
40-DIP (0.600", 15.24mm)
Controller Family/series
PIC18
No. Of I/o's
34
Eeprom Memory Size
256Byte
Ram Memory Size
768Byte
Cpu Speed
40MHz
No. Of Timers
4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DVA18XP400 - DEVICE ADAPTER 18F4220 PDIP 40LDACICE0206 - ADAPTER MPLABICE 40P 600 MIL
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F442-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC18F242-ISO PDF datasheet #2
- PIC18F242-ISO PDF datasheet #3
- PIC18F242-ISO PDF datasheet #4
- PIC18F242-ISO PDF datasheet #5
- PIC18F242-ISO PDF datasheet #6
- PIC18LF242-ISO PDF datasheet #7
- Current page: 25 of 332
- Download datasheet (6Mb)
If the main oscillator is configured for HS-PLL mode, an
oscillator start-up time (T
time-out (T
2 ms and allows the PLL to lock to the main oscillator
frequency. A timing diagram indicating the transition
from the Timer1 oscillator to the main oscillator for
HS-PLL mode is shown in Figure 2-10.
FIGURE 2-10:
If the main oscillator is configured in the RC, RCIO, EC
or ECIO modes, there is no oscillator start-up time-out.
Operation will resume after eight cycles of the main
oscillator have been counted. A timing diagram, indi-
cating the transition from the Timer1 oscillator to the
main oscillator for RC, RCIO, EC and ECIO modes, is
shown in Figure 2-11.
FIGURE 2-11:
© 2006 Microchip Technology Inc.
Program Counter
Internal System
Program Counter
Note 1: T
(OSCCON<0>)
Note 1: RC Oscillator mode assumed.
Internal System
(OSCCON<0>)
PLL Clock
T1OSI
OSC1
OSC2
Clock
T1OSI
OSC1
OSC2
Input
Clock
SCS
SCS
OST
PLL
= 1024 T
) will occur. The PLL time-out is typically
Q4
PC
Q3
OSC
TIMING FOR TRANSITION BETWEEN TIMER1 AND OSC1 (HS WITH PLL)
TIMING FOR TRANSITION BETWEEN TIMER1 AND OSC1 (RC, EC)
(drawing not to scale).
Q1
OST
T
OST
) plus an additional PLL
PC
Q4
T
PLL
Q1
PC + 2
T
OSC
1
T
1
OSC
T
T
2
1
2
P
3
3
PC + 2
T
SCS
4
4
T
T
T
1
SCS
P
5
5
6
6
7
7
Q1 Q2 Q3 Q4
8
8
Q1 Q2 Q3
PIC18FXX2
Q4 Q1 Q2 Q3
Q1 Q2
DS39564C-page 23
PC + 4
PC + 4
Q3
Q4
Q4
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