PIC18LF2320-I/SP Microchip Technology, PIC18LF2320-I/SP Datasheet - Page 77
![IC MCU FLASH 4KX16 EEPROM 28DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC18LF2320-I/SP
Manufacturer Part Number
PIC18LF2320-I/SP
Description
IC MCU FLASH 4KX16 EEPROM 28DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F2220-ISO.pdf
(394 pages)
3.PIC18F2220-ISO.pdf
(6 pages)
4.PIC18F2220-ISO.pdf
(6 pages)
5.PIC18F2220-ISO.pdf
(8 pages)
6.PIC18F2220-ISO.pdf
(6 pages)
7.PIC18F2220-ISO.pdf
(6 pages)
Specifications of PIC18LF2320-I/SP
Core Size
8-Bit
Program Memory Size
8KB (4K 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
25
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 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-DIP (0.300", 7.62mm)
Controller Family/series
PIC18
No. Of I/o's
25
Eeprom Memory Size
256Byte
Ram Memory Size
512Byte
Cpu Speed
40MHz
No. Of Timers
4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC18F2220-ISO PDF datasheet #2
- PIC18F2220-ISO PDF datasheet #3
- PIC18F2220-ISO PDF datasheet #4
- PIC18F2220-ISO PDF datasheet #5
- PIC18F2220-ISO PDF datasheet #6
- PIC18F2220-ISO PDF datasheet #7
- Current page: 77 of 394
- Download datasheet (7Mb)
6.3
The TBLRD instruction is used to retrieve data from
program memory and place it into data RAM. Table
reads from program memory are performed one byte at
a time.
TBLPTR points to a byte address in program space.
Executing a TBLRD instruction places the byte pointed
to into TABLAT. In addition, TBLPTR can be modified
automatically for the next table read operation.
FIGURE 6-4:
EXAMPLE 6-1:
© 2007 Microchip Technology Inc.
READ_WORD
Reading the Flash Program
Memory
Instruction Register
MOVLW
MOVWF
MOVLW
MOVWF
MOVLW
MOVWF
TBLRD*+
MOVFW
MOVWF
TBLRD*+
MOVFW
MOVWF
(IR)
READS FROM FLASH PROGRAM MEMORY
READING A FLASH PROGRAM MEMORY WORD
CODE_ADDR_UPPER
TBLPTRU
CODE_ADDR_HIGH
TBLPTRH
CODE_ADDR_LOW
TBLPTRL
TABLAT
WORD_EVEN
TABLAT
WORD_ODD
Odd (High) Byte
PIC18F2220/2320/4220/4320
Program Memory
; Load TBLPTR with the base
; address of the word
; read into TABLAT and increment TBLPTR
; get data
; read into TABLAT and increment TBLPTR
; get data
Even (Low) Byte
The internal program memory is typically organized by
words. The Least Significant bit of the address selects
between the high and low bytes of the word. Figure 6-4
shows the interface between the internal program
memory and the TABLAT.
TBLPTR
LSB = 1
Read Register
TABLAT
DS39599G-page 75
TBLPTR
LSB = 0
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