PIC18F252-I/SO Microchip Technology Inc., PIC18F252-I/SO Datasheet - Page 45
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PIC18F252-I/SO
Manufacturer Part Number
PIC18F252-I/SO
Description
Microcontroller; 32 KB Flash; 1536 RAM; 256 EEPROM; 25 I/O; 28-Pin-SOIC
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F252-ISO.pdf
(332 pages)
Specifications of PIC18F252-I/SO
A/d Inputs
5-Channel, 10-Bit
Comparators
2
Cpu Speed
10 MIPS
Eeprom Memory
256 Bytes
Input Output
25
Interface
I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
28-pin SOIC
Programmable Memory
32K Bytes
Ram Size
1.5K 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
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FIGURE 4-6:
© 2006 Microchip Technology Inc.
When a = 1,
the BSR is used to specify the
RAM location that the
instruction uses.
BSR<3:0>
= 0000
= 0001
= 0010
= 0011
= 1110
= 1111
DATA MEMORY MAP FOR PIC18F242/442
Bank 14
Bank 15
Bank 3
Bank 0
Bank 1
Bank 2
to
FFh
FFh
FFh
00h
00h
00h
FFh
00h
Data Memory Map
Access RAM
Read ’00h’
Unused
Unused
GPR
GPR
GPR
SFR
100h
1FFh
000h
07Fh
080h
F7Fh
0FFh
200h
2FFh
300h
EFFh
F00h
F80h
FFFh
When a = 0,
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
(from Bank 15).
PIC18FXX2
Access RAM high
Access RAM low
Access Bank
Function
(SFRs)
DS39564C-page 43
Registers
00h
7Fh
FFh
80h
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