PIC18F4220-I/P Microchip Technology Inc., PIC18F4220-I/P Datasheet - Page 62

• Manufacturer Part Number: PIC18F4220-I/P
• Description: Microcontroller; 4 KB Flash; 512 RAM; 256 EEPROM; 36 I/O; 40-Pin-PDIP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F4220-I/P

• A/d Inputs: 13-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 36
• Interface: I2C/SPI/UART/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 40-pin PDIP
• Programmable Memory: 4K Bytes
• Ram Size: 512 Bytes
• Speed: 40 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC18F2220/2320/4220/4320
FIGURE 5-6:
DS39599C-page 60
BSR<3:0>
= 0000
= 0001
= 0010
= 1110
= 1111
DATA MEMORY MAP FOR PIC18F2X20/4X20 DEVICES
Bank 14
Bank 15
Bank 2
Bank 0
Bank 1
to
FFh
FFh
FFh
00h
00h
00h
Data Memory Map
Access RAM
Read ‘00h’
Unused
Unused
GPR
GPR
SFR
EFFh
F00h
F7Fh
F80h
FFFh
07Fh
0FFh
100h
1FFh
000h
080h
200h
When a = 0:
When a = 1:
The BSR is ignored and the
Access Bank is used.
The first 128 bytes are
general purpose RAM
(from Bank 0).
The second 128 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)
FFh
7Fh
00h
80h