PIC18F4431-E/ML Microchip Technology, PIC18F4431-E/ML Datasheet - Page 271

• Manufacturer Part Number: PIC18F4431-E/ML
• Description: IC MCU FLASH 8KX16 44QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4431-E/ML

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, Power Control PWM, QEI, 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 9x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

REGISTER 23-9:
REGISTER 23-10: CONFIG6H: CONFIGURATION REGISTER 6 HIGH (BYTE ADDRESS 30000Bh)
 2010 Microchip Technology Inc.
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/P-1
U-0
—
2:
2:
(2)
Unimplemented in PIC18F2331/4331 devices; maintain this bit set.
Refer to
This bit is read-only in normal execution mode; it can be written only in Program mode.
Refer to
Unimplemented: Read as ‘0’
WRT3: Write Protection bit
1 = Block 3 is not write-protected
0 = Block 3 is write-protected
WRT2: Write Protection bit
1 = Block 2 is not write-protected
0 = Block 2 is write-protected
WRT1: Write Protection bit
1 = Block 1 is not write-protected
0 = Block 1 is write-protected
WRT0: Write Protection bit
1 = Block 0 is not write-protected
0 = Block 0 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 is not write-protected
0 = Boot block is write-protected
WRTC: Configuration Register Write Protection bit
1 = Configuration registers are not write-protected
0 = Configuration registers are write-protected
Unimplemented: Read as ‘0’
WRTB
R/P-1
U-0
Figure 23-5
Figure 23-5
—
CONFIG6L: CONFIGURATION REGISTER 6 LOW (BYTE ADDRESS 30000Ah)
(2)
P = Programmable bit
P = Programmable bit
WRTC
for block boundary addresses.
for block boundary addresses.
U-0
R-1
—
(1,2)
(1,2)
(1,2)
(2)
(2)
PIC18F2331/2431/4331/4431
U-0
U-0
—
—
(2)
(2)
U = Unimplemented bit, read as ‘0’
U = Unchanged from programmed state
U = Unimplemented bit, read as ‘0’
U = Unchanged from programmed state
WRT3
R/P-1
U-0
—
(1,2)
(1,2)
WRT2
R/P-1
U-0
—
(1,2)
WRT1
R/P-1
U-0
—
(2)
DS39616D-page 271
WRT0
R/P-1
U-0
—
(2)
bit 0
bit 0