PIC18F26K20-I/SP Microchip Technology, PIC18F26K20-I/SP Datasheet - Page 307

• Manufacturer Part Number: PIC18F26K20-I/SP
• Description: IC PIC MCU FLASH 32KX16 28-DIP
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 18Fr

Specifications of PIC18F26K20-I/SP

• Program Memory Type: FLASH
• Program Memory Size: 64KB (32K x 16)
• Package / Case: 28-DIP (0.300", 7.62mm)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 64MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 24
• Eeprom Size: 1K x 8
• Ram Size: 3.8K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 3936 B
• Interface Type: CCP/ECCP/EUSART/I2C/MSSP/SPI
• Maximum Clock Frequency: 64 MHz
• Number Of Programmable I/os: 25
• Number Of Timers: 4
• 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, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 11-ch x 10-bit
• Package: 28SPDIP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 64 MHz
• Operating Supply Voltage: 2.5|3.3 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164112 - VOLTAGE LIMITER MPLAB ICD2 VPP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

23.2.1
Register 23-14 shows the WDTCON register. This is a
readable and writable register which contains a control
bit that allows software to override the WDT enable
Configuration bit, but only if the Configuration bit has
disabled the WDT.
REGISTER 23-14: WDTCON: WATCHDOG TIMER CONTROL REGISTER
TABLE 23-2:
© 2008 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-1
bit 0
RCON
WDTCON
CONFIG2H
Legend: — = unimplemented, read as ‘0’. Shaded cells are not used by the Watchdog Timer.
Note 1: This bit has no effect if the Configuration bit, WDTEN, is enabled.
Name
U-0
—
CONTROL REGISTER
Unimplemented: Read as ‘0’
SWDTEN: Software Enable or Disable the Watchdog Timer bit
1 = WDT is turned on
0 = WDT is turned off (Reset value)
IPEN
Bit 7
SUMMARY OF WATCHDOG TIMER REGISTERS
—
U-0
—
SBOREN
Bit 6
—
W = Writable bit
‘1’ = Bit is set
U-0
—
Bit 5
—
—
WDTPS3 WDTPS2 WDTPS1 WDTPS0
U-0
Preliminary
—
Bit 4
RI
—
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
Bit 3
PIC18F2XK20/4XK20
U-0
TO
—
—
Bit 2
PD
—
(1)
U-0
—
Bit 1
POR
—
x = Bit is unknown
U-0
—
SWDTEN
WDTEN
Bit 0
BOR
DS41303D-page 305
SWDTEN
R/W-0
on page
Values
Reset
298
56
58
bit 0
(1)