PIC18F4550-I/PT Microchip Technology Inc., PIC18F4550-I/PT Datasheet - Page 296

• Manufacturer Part Number: PIC18F4550-I/PT
• Description: 44 PIN, 32 KB FLASH, 2048 RAM, FS-USB 2.0
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F4550-I/PT

• 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: 44-pin TQFP
• 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 25-9:
REGISTER 25-10: CONFIG6H: CONFIGURATION REGISTER 6 HIGH (BYTE ADDRESS 30000Bh)
DS39632C-page 294
bit 7
Legend:
R = Readable bit
-n = Value when device is unprogrammed
bit 7-4
bit 3
bit 2
bit 1
bit 0
Note 1:
bit 7
Legend:
R = Readable bit
-n = Value when device is unprogrammed
bit 7
bit 6
bit 5
bit 4-0
Note 1:
WRTD
R/C-1
U-0
—
Unimplemented in PIC18FX455 devices; maintain this bit set.
This bit is read-only in normal execution mode; it can be written only in Program mode.
Unimplemented: Read as ‘0’
WRT3: Write Protection bit
1 = Block 3 (006000-007FFFh) is not write-protected
0 = Block 3 (006000-007FFFh) is write-protected
WRT2: Write Protection bit
1 = Block 2 (004000-005FFFh) is not write-protected
0 = Block 2 (004000-005FFFh) is write-protected
WRT1: Write Protection bit
1 = Block 1 (002000-003FFFh) is not write-protected
0 = Block 1 (002000-003FFFh) is write-protected
WRT0: Write Protection bit
1 = Block 0 (000800-001FFFh) or (001000-001FFFh) is not write-protected
0 = Block 0 (000800-001FFFh) or (001000-001FFFh) is write-protected
WRTD: Data EEPROM Write Protection bit
1 = Data EEPROM is not write-protected
0 = Data EEPROM is write-protected
WRTB: Boot Block Write Protection bit
1 = Boot block (000000-0007FFh) is not write-protected
0 = Boot block (000000-0007FFh) is write-protected
WRTC: Configuration Register Write Protection bit
1 = Configuration registers (300000-3000FFh) are not write-protected
0 = Configuration registers (300000-3000FFh) are write-protected
Unimplemented: Read as ‘0’
WRTB
R/C-1
U-0
—
CONFIG6L: CONFIGURATION REGISTER 6 LOW (BYTE ADDRESS 30000Ah)
C = Clearable bit
C = Clearable bit
WRTC
U-0
R-1
—
(1)
(1)
U-0
U-0
Preliminary
—
—
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
WRT3
R/C-1
U-0
—
(1)
(1)
WRT2
R/C-1
U-0
—
© 2006 Microchip Technology Inc.
WRT1
R/C-1
U-0
—
WRT0
R/C-1
U-0
—
bit 0
bit 0