PIC18F4550-I/P Microchip Technology Inc., PIC18F4550-I/P Datasheet - Page 306

• 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
FIGURE 25-7:
FIGURE 25-8:
DS39632C-page 304
Results: Table reads permitted within Blockn, even when EBTRBn = 0.
TBLPTR = 0008FFh
Register Values
TBLPTR = 0008FFh
Results: All table reads from external blocks to Blockn are disabled whenever EBTRn = 0.
Register Values
PC = 001FFEh
PC = 003FFEh
TABLAT register returns the value of the data at the location TBLPTR.
TABLAT register returns a value of ‘0’.
EXTERNAL BLOCK TABLE READ (EBTRn) DISALLOWED
EXTERNAL BLOCK TABLE READ (EBTRn) ALLOWED
Program Memory
Program Memory
TBLRD*
Preliminary
TBLRD*
000000h
0007FFh
000800h
001FFFh
002000h
003FFFh
004000h
005FFFh
006000h
007FFFh
000000h
0007FFh
000800h
001FFFh
002000h
003FFFh
004000h
005FFFh
006000h
007FFFh
Configuration Bit Settings
Configuration Bit Settings
WRTB, EBTRB = 11
WRT0, EBTR0 = 10
WRT1, EBTR1 = 11
WRT2, EBTR2 = 11
WRT3, EBTR3 = 11
WRT1, EBTR1 = 11
WRT2, EBTR2 = 11
WRT3, EBTR3 = 11
WRTB, EBTRB = 11
WRT0, EBTR0 = 10
© 2006 Microchip Technology Inc.