PIC18F4550-I/P Microchip Technology Inc., PIC18F4550-I/P Datasheet - Page 291

• 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

REGISTER 25-3:
© 2006 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value when device is unprogrammed
bit 7-6
bit 5
bit 4-3
bit 2-1
bit 0
Note 1:
U-0
—
2:
See Section 28.0 “Electrical Characteristics” for the specifications.
The Power-up Timer is decoupled from Brown-out Reset, allowing these features to be independently
controlled.
Unimplemented: Read as ‘0’
VREGEN: USB Internal Voltage Regulator Enable bit
1 = USB voltage regulator enabled
0 = USB voltage regulator disabled
BORV1:BORV0: Brown-out Reset Voltage bits
11 = Minimum setting
.
.
.
00 = Maximum setting
BOREN1:BOREN0: Brown-out Reset Enable bits
11 = Brown-out Reset enabled in hardware only (SBOREN is disabled)
10 = Brown-out Reset enabled in hardware only and disabled in Sleep mode (SBOREN is disabled)
01 = Brown-out Reset enabled and controlled by software (SBOREN is enabled)
00 = Brown-out Reset disabled in hardware and software
PWRTEN: Power-up Timer Enable bit
1 = PWRT disabled
0 = PWRT enabled
U-0
—
CONFIG2L: CONFIGURATION REGISTER 2 LOW (BYTE ADDRESS 300002h)
P = Programmable bit
VREGEN
R/P-0
PIC18F2455/2550/4455/4550
BORV1
R/P-1
Preliminary
(2)
(1)
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
BORV0
R/P-1
(1)
(2)
(1)
BOREN1
R/P-1
(2)
BOREN0
R/P-1
DS39632C-page 289
(2)
PWRTEN
R/P-1
bit 0
(2)