PIC18F442-E/P Microchip Technology, PIC18F442-E/P Datasheet - Page 19
![IC MCU CMOS 40MHZ 8K FLASH 40DIP](/photos/6/61/66192/150-40-dip_sml.jpg)
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: 19 of 332
- Download datasheet (6Mb)
2.0
2.1
The PIC18FXX2 can be operated in eight different
Oscillator modes. The user can program three configu-
ration bits (FOSC2, FOSC1, and FOSC0) to select one
of these eight modes:
1.
2.
3.
4.
5.
6.
7.
8.
2.2
In XT, LP, HS or HS+PLL Oscillator modes, a crystal or
ceramic resonator is connected to the OSC1 and
OSC2 pins to establish oscillation. Figure 2-1 shows
the pin connections.
The PIC18FXX2 oscillator design requires the use of a
parallel cut crystal.
FIGURE 2-1:
© 2006 Microchip Technology Inc.
Note:
Note 1: See
LP
XT
HS
HS + PLL
RC
RCIO
EC
ECIO
C1
C2
OSCILLATOR
CONFIGURATIONS
Oscillator Types
Crystal Oscillator/Ceramic
Resonators
(1)
(1)
2: A series resistor (R
3: R
Use of a series cut crystal may give a fre-
quency out of the crystal manufacturers
specifications.
recommended values of C1 and C2.
AT strip cut crystals.
XTAL
R
F
S
(2)
varies with the Oscillator mode chosen.
with PLL enabled
enabled
Low Power Crystal
Crystal/Resonator
High Speed Crystal/Resonator
High Speed Crystal/Resonator
External Resistor/Capacitor
External Resistor/Capacitor with
I/O pin enabled
External Clock
External
OSC2
OSC1
Table 2-1
CRYSTAL/CERAMIC
RESONATOR OPERATION
(HS, XT OR LP
CONFIGURATION)
Clock
R
S
and
F
) may be required for
(3)
with
Table 2-2
SLEEP
PIC18FXXX
I/O
To
Internal
Logic
for
pin
TABLE 2-1:
These values are for design guidance only.
See notes following this table.
All resonators used did not have built-in capacitors.
16.0 MHz Murata Erie CSA16.00MX
455 kHz Panasonic EFO-A455K04B
2.0 MHz Murata Erie CSA2.00MG
4.0 MHz Murata Erie CSA4.00MG
8.0 MHz Murata Erie CSA8.00MT
Mode
Note 1: Higher capacitance increases the stability
HS
XT
2: When operating below 3V V
3: Since each resonator/crystal has its own
of the oscillator, but also increases the
start-up time.
using certain ceramic resonators at any
voltage, it may be necessary to use
high-gain HS mode, try a lower frequency
resonator, or switch to a crystal oscillator.
characteristics, the user should consult the
resonator/crystal manufacturer for appro-
priate values of external components, or
verify oscillator performance.
16.0 MHz
455 kHz
2.0 MHz
4.0 MHz
8.0 MHz
Freq
Resonators Used:
CAPACITOR SELECTION FOR
CERAMIC RESONATORS
Ranges Tested:
PIC18FXX2
68 - 100 pF
15 - 68 pF
15 - 68 pF
10 - 68 pF
10 - 22 pF
C1
DS39564C-page 17
DD
68 - 100 pF
15 - 68 pF
15 - 68 pF
10 - 68 pF
10 - 22 pF
, or when
0.3%
0.5%
0.5%
0.5%
0.5%
C2
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