PIC18F452-I/P Microchip Technology Inc., PIC18F452-I/P Datasheet - Page 261

• Manufacturer Part Number: PIC18F452-I/P
• Description: 40 PIN, 32 KB FLASH, 1536 RAM, 34 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F452-I/P

• A/d Inputs: 8-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 36
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 40-pin PDIP
• Programmable Memory: 32K Bytes
• Ram Size: 1.5K Bytes
• Speed: 40 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

REGISTER 23-14: WDTCON REGISTER
TABLE 23-2:
 2004 Microchip Technology Inc.
RCON
WDTCON
Legend: — = unimplemented, read as ‘0’. Shaded cells are not used by the Watchdog Timer.
Name
bit 7-1
bit 0
IPEN
Bit 7
SUMMARY OF WATCHDOG TIMER REGISTERS
—
Unimplemented: Read as ‘0’
SWDTEN: Software Controlled Watchdog Timer Enable bit
1 = Watchdog Timer is on
0 = Watchdog Timer is off
bit 7
Legend:
R = Readable bit
U = Unimplemented bit, read as ‘0’
Note 1: This bit has no effect if the configuration bit, WDTEN, is enabled.
U-0
SBOREN
—
Bit 6
—
U-0
—
Bit 5
—
—
PIC18F2420/2520/4420/4520
U-0
—
Preliminary
Bit 4
RI
—
U-0
—
Bit 3
TO
—
W = Writable bit
-n = Value at POR
U-0
—
Bit 2
PD
—
(1)
U-0
—
Bit 1
POR
—
SWDTEN
U-0
—
Bit 0
BOR
DS39631A-page 259
SWDTEN
on page
R/W-0
Values
Reset
48
50
bit 0
(1)