PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 274

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

Specifications of PIC18F4431-E/PT

• Core Size: 8-Bit
• Program Memory Size: 16KB (8K x 16)
• Oscillator Type: Internal
• Core Processor: PIC
• 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 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
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-TQFP, 44-VQFP
• Controller Family/series: PIC18
• No. Of I/o's: 36
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18F2331/2431/4331/4431
REGISTER 22-5:
DS39616B-page 272
bit 7
bit 6-5
bit 4
bit 3
bit 2
bit 1
bit 0
Legend:
R = Readable bit
- n = Value when device is unprogrammed
bit 7
MCLRE: MCLR Pin Enable bit
1 = RE3 input pin enabled; MCLR disabled.
0 = MCLR pin enabled: RE3 input pin disabled.
Unimplemented: Read as ‘0’
EXCLKMX: TMR0/T5CKI External Clock Mux bit
1 = TMR0/T5CKI external clock input is multiplexed with RC3
0 = TMR0/T5CKI external clock input is multiplexed with RD0
PWM4MX: PWM4 Mux bit
1 = PWM4 output is multiplexed with RB5
0 = PWM4 output is multiplexed with RD5
SSPMX: SSP I/O Mux bit
1 = SCK/SCL clocks and SDA/SDI data are multiplexed with RC5 and RC4 respectively.
0 = SCK/SCL clocks and SDA/SDI data are multiplexed with RD3 and RD2 respectively.
Unimplemented: Read as ‘0’
FLTAMX: FLTA Mux bit
1 = FLTA input is multiplexed with RC1
0 = FLTA input is multiplexed with RD4
MCLRE
R/P-1
Note 1: Unimplemented in PIC18F2X31 devices; maintain this bit set.
CONFIG3H: CONFIGURATION REGISTER 3 HIGH (BYTE ADDRESS 300005h)
SDO output is multiplexed with RC7.
SDO output is multiplexed with RD1.
—
U
P = Programmable bit
—
U
Preliminary
EXCLKMX
R/P-1
(1)
PWM4MX
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
R/P-1
(1)
SSPMX
R/P-1
 2003 Microchip Technology Inc.
(1)
—
U
FLTAMX
R/P-1
bit 0
(1)