PIC18C442/JW Microchip Technology, PIC18C442/JW Datasheet - Page 186
PIC18C442/JW
Manufacturer Part Number
PIC18C442/JW
Description
IC MCU EPROM 8KX16 A/D 40CDIP
Manufacturer
Microchip Technology
Series
PIC® 18Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16C770-ISO.pdf
(8 pages)
3.PIC18C242-ISO.pdf
(305 pages)
4.PIC18C242-ISO.pdf
(12 pages)
Specifications of PIC18C442/JW
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
16KB (8K x 16)
Program Memory Type
EPROM, UV
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
40-CDIP (0.600", 15.24mm) Window
For Use With
I3DB18C452 - BOARD DAUGHTER ICEPIC3444-1001 - DEMO BOARD FOR PICMICRO MCU
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC18C442/JW
Manufacturer:
MICROCH
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC16C770-ISO PDF datasheet #2
- PIC18C242-ISO PDF datasheet #3
- PIC18C242-ISO PDF datasheet #4
- Current page: 186 of 305
- Download datasheet (6Mb)
PIC18CXX2
18.2.2
The WDT has a postscaler that can extend the WDT
Reset period. The postscaler is selected at the time of
device programming, by the value written to the
CONFIG2H configuration register.
FIGURE 18-1:
TABLE 18-2:
DS39026C-page 184
CONFIG2H
RCON
WDTCON
Legend: Shaded cells are not used by the Watchdog Timer.
Name
WDT POSTSCALER
Note:
Configuration bit
WDTEN
SUMMARY OF WATCHDOG TIMER REGISTERS
IPEN
Bit 7
WDPS2:WDPS0 are bits in register CONFIG2H.
—
—
WATCHDOG TIMER BLOCK DIAGRAM
WDT Timer
LWRT
Bit 6
—
—
SWDTEN bit
Bit 5
—
—
—
Bit 4
—
RI
—
WDTPS2
8 - to - 1 MUX
Postscaler
Bit 3
Time-out
TO
—
WDT
8
WDTPS2
Bit 2
PD
—
2000 Microchip Technology Inc.
WDTPS2:WDTPS0
WDTPS0
Bit 1
POR
—
SWDTEN
WDTEN
Bit 0
BOR
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