PIC18F242-E/SP Microchip Technology, PIC18F242-E/SP Datasheet - Page 45

• Manufacturer Part Number: PIC18F242-E/SP
• Description: IC MCU CMOS 40MHZ 8K FLASH 28DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F242-E/SP

• Core Size: 8-Bit
• Program Memory Size: 16KB (8K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 23
• 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 5x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Controller Family/series: PIC18
• No. Of I/o's: 23
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: DVA18XP280 - DEVICE ADAPTER 18F2220 PDIP 28LD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

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