PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 279

• 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

REGISTER 22-13: DEVICE ID REGISTER 1 FOR PIC18F2331/2431/4331/4431 DEVICES
REGISTER 22-14: DEVICE ID REGISTER 2 FOR PIC18F2331/2431/4331/4431 DEVICES
 2003 Microchip Technology Inc.
bit 7-5
bit 4-0
bit 7-0
Legend:
R = Read-only bit
- n = Value when device is unprogrammed
Legend:
R = Read-only bit
- n = Value when device is unprogrammed
bit 7
DEV<2:0>: Device ID bits
These bits are used with the DEV<10:3> bits in the Device ID register 2 to identify the part
number.
000 = PIC18F4331
001 = PIC18F4431
100 = PIC18F2331
101 = PIC18F2431
REV<4:0>: Revision ID bits
These bits are used to indicate the device revision.
bit 7
DEV10:DEV3: Device ID bits
These bits are used with the DEV2:DEV0 bits in the Device ID Register 1 to identify the
part number
0000 0101 = PIC18F2331/2431/4331/4431 devices
DEV10
DEV2
Note 1: These values for DEV10:DEV3 may be shared with other devices. The specific
R
R
device is always identified by using the entire DEV10:DEV0 bit sequence.
DEV1
DEV9
R
R
PIC18F2331/2431/4331/4431
P = Programmable bit
P = Programmable bit
DEV0
DEV8
Preliminary
R
R
REV4
DEV7
R
R
REV3
DEV6
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
R
R
REV2
DEV5
R
R
REV1
DEV4
DS39616B-page 277
R
R
REV0
DEV3
R
R
bit 0
bit 0