PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 66

• 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
FIGURE 5-6:
DS39616B-page 64
BSR<3:0>
= 0000
= 0001
= 0010
= 0011
= 1110
= 1111
DATA MEMORY MAP FOR PIC18F2331/2431/4331/4431 DEVICES
Bank 14
Bank 15
Bank 3
Bank 0
Bank 1
Bank 2
to
FFh
FFh
00h
00h
00h
FFh
00h
FFh
00h
Data Memory Map
Access RAM
Read ‘00h’
Unused
Unused
GPR
GPR
GPR
SFR
Preliminary
EFFh
F00h
F5Fh
F60h
FFFh
0FFh
100h
1FFh
2FFh
300h
05Fh
000h
060h
200h
When a = 0:
When a = 1:
The BSR is ignored and the
Access Bank is used.
The first 96 bytes are
General Purpose RAM
(from Bank 0).
The second 160 bytes are
Special Function Registers
(from Bank 15).
The BSR specifies the bank
used by the instruction.
 2003 Microchip Technology Inc.
Access RAM High
Access RAM Low
Access Bank
(SFRs)
5Fh
FFh
00h
60h