PIC18F442-E/P Microchip Technology, PIC18F442-E/P Datasheet - Page 211

• Manufacturer Part Number: PIC18F442-E/P
• Description: IC MCU CMOS 40MHZ 8K FLASH 40DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F442-E/P

• Core Size: 8-Bit
• Program Memory Size: 16KB (8K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Controller Family/series: PIC18
• No. Of I/o's: 34
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: DVA18XP400 - DEVICE ADAPTER 18F4220 PDIP 40LDACICE0206 - ADAPTER MPLABICE 40P 600 MIL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

FIGURE 19-5:
FIGURE 19-6:
© 2006 Microchip Technology Inc.
Results: All Table Reads from external blocks to Blockn are disabled whenever EBTRn = ‘0’.
Register Values
TBLPTR = 000FFF
Register Values
TBLPTR = 000FFF
Results: Table Reads permitted within Blockn, even when EBTRBn = ‘0’.
PC = 002FFE
PC = 001FFE
TABLAT register returns a value of “0”.
TABLAT register returns the value of the data at the location TBLPTR.
EXTERNAL BLOCK TABLE READ (EBTRn) DISALLOWED
EXTERNAL BLOCK TABLE READ (EBTRn) ALLOWED
Program Memory
Program Memory
TBLRD *
TBLRD *
000000h
000200h
001FFFh
002000h
003FFFh
004000h
005FFFh
006000h
007FFFh
0001FFh
000000h
0001FFh
000200h
001FFFh
002000h
003FFFh
004000h
005FFFh
006000h
007FFFh
Configuration Bit Settings
Configuration Bit Settings
WRT1,EBTR1 = 11
WRT2,EBTR2 = 11
WRT3,EBTR3 = 11
WRTB,EBTRB = 11
WRT0,EBTR0 = 10
WRTB,EBTRB = 11
PIC18FXX2
WRT0,EBTR0 = 10
WRT1,EBTR1 = 11
WRT2,EBTR2 = 11
WRT3,EBTR3 = 11
DS39564C-page 209