PIC18F4550-I/P Microchip Technology Inc., PIC18F4550-I/P Datasheet - Page 300

• Manufacturer Part Number: PIC18F4550-I/P
• Description: 40 PIN, 32 KB FLASH, 2048 RAM, FS-USB 2.0
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F4550-I/P

• A/d Inputs: 13-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 12 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 34
• Interface: I2C/SPI/UART/USART/USB
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 40-pin PDIP
• Programmable Memory: 32K Bytes
• Ram Size: 2K Bytes
• Speed: 48 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC18F2455/2550/4455/4550
REGISTER 25-15: WDTCON: WATCHDOG TIMER CONTROL REGISTER
TABLE 25-2:
DS39632C-page 298
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-1
bit 0
Note 1:
RCON
WDTCON
Legend: — = unimplemented, read as ‘0’. Shaded cells are not used by the Watchdog Timer.
Note 1:
Name
U-0
—
This bit has no effect if the Configuration bit, WDTEN, is enabled.
The SBOREN bit is only available when BOREN<1:0> = 01; otherwise, the bit reads as ‘0’.
IPEN
Bit 7
Unimplemented: Read as ‘0’
SWDTEN: Software Controlled Watchdog Timer Enable bit
1 = Watchdog Timer is on
0 = Watchdog Timer is off
—
SUMMARY OF WATCHDOG TIMER REGISTERS
U-0
—
SBOREN
Bit 6
—
W = Writable bit
‘1’ = Bit is set
(1)
U-0
—
Bit 5
—
—
U-0
Preliminary
—
Bit 4
RI
—
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
Bit 3
U-0
TO
—
—
Bit 2
(1)
PD
—
U-0
—
Bit 1
POR
© 2006 Microchip Technology Inc.
—
x = Bit is unknown
U-0
—
SWDTEN
Bit 0
BOR
SWDTEN
R/W-0
on page
Values
Reset
52
52
bit 0
(1)