PIC18F4450-I/PT Microchip Technology, PIC18F4450-I/PT Datasheet - Page 206

• Manufacturer Part Number: PIC18F4450-I/PT
• Description: IC PIC MCU FLASH 8KX16 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4450-I/PT

• Program Memory Type: FLASH
• Program Memory Size: 16KB (8K x 16)
• Package / Case: 44-TQFP, 44-VQFP
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: UART/USART, USB
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 34
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: EUSART/USB
• Maximum Clock Frequency: 48 MHz
• Number Of Programmable I/os: 34
• Number Of Timers: 3
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, DM163025, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 13-ch x 10-bit
• Height: 1 mm
• Length: 10 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2 V
• Width: 10 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: DM163025 - PIC DEM FULL SPEED USB DEMO BRD444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC18F2450/4450
REGISTER 18-15: WDTCON: WATCHDOG TIMER CONTROL REGISTER
TABLE 18-2:
DS39760C-page 204
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
© 2007 Microchip Technology Inc.
—
x = Bit is unknown
U-0
—
SWDTEN
Bit 0
BOR
SWDTEN
on Page:
R/W-0
Values
Reset
50
50
bit 0
(1)