PIC18F4520-I/P Microchip Technology, PIC18F4520-I/P Datasheet - Page 74
![IC MCU FLASH 16KX16 40DIP](/photos/6/61/66192/150-40-dip_sml.jpg)
PIC18F4520-I/P
Manufacturer Part Number
PIC18F4520-I/P
Description
IC MCU FLASH 16KX16 40DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F2221-ISO.pdf
(46 pages)
3.PIC18F2420-IML.pdf
(412 pages)
4.PIC18F2420-IML.pdf
(16 pages)
5.PIC18F2420-IML.pdf
(8 pages)
6.PIC18F2420-IML.pdf
(6 pages)
7.PIC18F2420-IML.pdf
(8 pages)
8.PIC18F2420-IML.pdf
(4 pages)
9.PIC18F4420-IP.pdf
(390 pages)
Specifications of PIC18F4520-I/P
Program Memory Type
FLASH
Program Memory Size
32KB (16K x 16)
Package / Case
40-DIP (0.600", 15.24mm)
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
36
Eeprom Size
256 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1536 B
Interface Type
MSSP, SPI, I2C, PSP, USART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
36
Number Of Timers
1 x 8
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, 53275-917, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136, DM163022
Minimum Operating Temperature
- 40 C
On-chip Adc
13 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DVA18XP400 - DEVICE ADAPTER 18F4220 PDIP 40LD444-1001 - DEMO BOARD FOR PICMICRO MCUACICE0206 - ADAPTER MPLABICE 40P 600 MIL
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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- PIC16F616T-ISL PDF datasheet
- PIC18F2221-ISO PDF datasheet #2
- PIC18F2420-IML PDF datasheet #3
- PIC18F2420-IML PDF datasheet #4
- PIC18F2420-IML PDF datasheet #5
- PIC18F2420-IML PDF datasheet #6
- PIC18F2420-IML PDF datasheet #7
- PIC18F2420-IML PDF datasheet #8
- PIC18F4420-IP PDF datasheet #9
- Current page: 74 of 390
- Download datasheet (8Mb)
PIC18F2420/2520/4420/4520
5.5.3
The use of Indexed Literal Offset Addressing mode
effectively changes how the first 96 locations of Access
RAM (00h to 5Fh) are mapped. Rather than containing
just the contents of the bottom half of Bank 0, this mode
maps the contents from Bank 0 and a user defined
“window” that can be located anywhere in the data
memory space. The value of FSR2 establishes the
lower boundary of the addresses mapped into the
window, while the upper boundary is defined by FSR2
plus 95 (5Fh). Addresses in the Access RAM above
5Fh are mapped as previously described (see
Section 5.3.2 “Access Bank”). An example of Access
Bank remapping in this addressing mode is shown in
Figure 5-10.
FIGURE 5-10:
DS39631A-page 72
Example Situation:
Locations in the region
from the FSR2 pointer
(120h) to the pointer plus
05Fh (17Fh) are mapped
to
Access RAM (000h-05Fh).
Locations in Bank 0 from
060h to 07Fh are mapped,
as usual, to the middle half
of the Access Bank.
Special File Registers at
F80h through FFFh are
mapped to 80h through
FFh, as usual.
Bank 0 addresses below
5Fh can still be addressed
by using the BSR.
ADDWF f, d, a
FSR2H:FSR2L = 120h
the
MAPPING THE ACCESS BANK IN
INDEXED LITERAL OFFSET MODE
bottom
of
REMAPPING THE ACCESS BANK WITH INDEXED LITERAL OFFSET
ADDRESSING
the
FFFh
05Fh
07Fh
17Fh
F00h
F80h
000h
100h
120h
200h
Data Memory
Window
Bank 14
Bank 15
through
Bank 1
Bank 0
Bank 1
Bank 2
Bank 0
SFRs
Preliminary
additional commands to the existing PIC18 instruction
Remapping of the Access Bank applies only to opera-
tions using the Indexed Literal Offset mode. Operations
that use the BSR (Access RAM bit is ‘1’) will continue
to use direct addressing as before.
5.6
Enabling the extended instruction set adds eight
set. These instructions are executed as described in
Section 24.2 “Extended Instruction Set”.
PIC18 Instruction Execution and
the Extended Instruction Set
2004 Microchip Technology Inc.
Bank 1 “Window”
Access Bank
Bank 0
SFRs
00h
5Fh
7Fh
80h
FFh
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