PIC18F4420T-I/PT Microchip Technology, PIC18F4420T-I/PT Datasheet - Page 253

• Manufacturer Part Number: PIC18F4420T-I/PT
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,TQFP,44PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4420T-I/PT

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 16KB (8K x 16)
• 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 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

REGISTER 23-2:
© 2008 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value when device is unprogrammed
bit 7-5
bit 4-3
bit 2-1
bit 0
Note 1:
U-0
—
2:
See Section 26.1 “DC Characteristics: Supply Voltage” for specifications.
The Power-up Timer is decoupled from Brown-out Reset, allowing these features to be independently
controlled.
Unimplemented: Read as ‘0’
BORV<1:0>: Brown-out Reset Voltage bits
11 = Minimum setting
.
.
.
00 = Maximum setting
BOREN<1:0>: 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
U-0
—
PIC18F2420/2520/4420/4520
BORV1
R/P-1
(2)
(1)
(1)
(2)
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
BORV0
R/P-1
(1)
BOREN1
R/P-1
(2)
BOREN0
R/P-1
DS39631E-page 251
(2)
PWRTEN
R/P-1
bit 0
(2)