PIC18LF2455-I/SO Microchip Technology, PIC18LF2455-I/SO Datasheet - Page 61
![IC PIC MCU FLASH 12KX16 28SOIC](/photos/6/59/65909/150-28-soic_sml.jpg)
PIC18LF2455-I/SO
Manufacturer Part Number
PIC18LF2455-I/SO
Description
IC PIC MCU FLASH 12KX16 28SOIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PCM18XR1.pdf
(438 pages)
3.PIC18F2221-ISO.pdf
(46 pages)
4.PIC18F2455-ISO.pdf
(14 pages)
5.PIC18F2455-ISO.pdf
(8 pages)
6.PIC18F2455-ISO.pdf
(26 pages)
7.PIC18LF2455-ISO.pdf
(430 pages)
Specifications of PIC18LF2455-I/SO
Core Size
8-Bit
Program Memory Size
24KB (12K x 16)
Core Processor
PIC
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
24
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Controller Family/series
PIC18
No. Of I/o's
24
Eeprom Memory Size
256Byte
Ram Memory Size
2KB
Cpu Speed
48MHz
No. Of Timers
4
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
2048 B
Interface Type
SPI, I2C, EAUSART
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
24
Number Of Timers
1 x 8
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DM163014, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 10 Channel
Package
28SOIC W
Device Core
PIC
Family Name
PIC18
Maximum Speed
48 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC18LF2455-I/SO
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PCM18XR1 PDF datasheet #2
- PIC18F2221-ISO PDF datasheet #3
- PIC18F2455-ISO PDF datasheet #4
- PIC18F2455-ISO PDF datasheet #5
- PIC18F2455-ISO PDF datasheet #6
- PIC18LF2455-ISO PDF datasheet #7
- Current page: 61 of 438
- Download datasheet (7Mb)
5.0
There are three types of memory in PIC18 enhanced
microcontroller devices:
• Program Memory
• Data RAM
• Data EEPROM
As Harvard architecture devices, the data and program
memories use separate busses; this allows for con-
current access of the two memory spaces. The data
EEPROM, for practical purposes, can be regarded as
a peripheral device, since it is addressed and accessed
through a set of control registers.
Additional detailed information on the operation of the
Flash program memory is provided in Section 6.0
“Flash Program Memory”. Data EEPROM is
discussed separately in Section 7.0 “Data EEPROM
Memory”.
FIGURE 5-1:
© 2009 Microchip Technology Inc.
CALL, RCALL, RETURN,
RETFIE, RETLW, CALLW,
ADDULNK, SUBULNK
MEMORY ORGANIZATION
High-Priority Interrupt Vector 0008h
Low-Priority Interrupt Vector
24 Kbyte Devices
Program Memory
Stack Level 31
Stack Level 1
Reset Vector
PC<20:0>
Read ‘0’
On-Chip
PROGRAM MEMORY MAP AND STACK
•
•
•
21
0000h
0018h
5FFFh
6000h
1FFFFFh
200000h
PIC18F2455/2550/4455/4550
CALL, RCALL, RETURN,
RETFIE, RETLW, CALLW,
ADDULNK, SUBULNK
5.1
PIC18 microcontrollers implement a 21-bit program
counter which is capable of addressing a 2-Mbyte
program memory space. Accessing a location between
the upper boundary of the physically implemented
memory and the 2-Mbyte address will return all ‘0’s (a
NOP instruction).
The PIC18F2455 and PIC18F4455 each have 24 Kbytes
of Flash memory and can store up to 12,288 single-word
instructions. The PIC18F2550 and PIC18F4550 each
have 32 Kbytes of Flash memory and can store up to
16,384 single-word instructions.
PIC18 devices have two interrupt vectors. The Reset
vector address is at 0000h and the interrupt vector
addresses are at 0008h and 0018h.
The program memory maps for PIC18FX455 and
PIC18FX550 devices are shown in Figure 5-1.
High-Priority Interrupt Vector 0008h
Low-Priority Interrupt Vector
Program Memory Organization
32 Kbyte Device
Program Memory
Stack Level 31
Stack Level 1
Reset Vector
PC<20:0>
On-Chip
Read ‘0’
•
•
•
21
0000h
0018h
7FFFh
8000h
1FFFFFh
200000h
DS39632E-page 59
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