PIC18LF2523-I/SP Microchip Technology, PIC18LF2523-I/SP Datasheet - Page 269
![IC PIC MCU FLASH 16KX16 28-DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC18LF2523-I/SP
Manufacturer Part Number
PIC18LF2523-I/SP
Description
IC PIC MCU FLASH 16KX16 28-DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F2221-ISO.pdf
(46 pages)
2.PIC18F2423-ISP.pdf
(54 pages)
3.PIC18F2423-ISP.pdf
(8 pages)
4.PIC18F2423-ISP.pdf
(34 pages)
5.PIC18F2523-ISO.pdf
(392 pages)
Specifications of PIC18LF2523-I/SP
Core Size
8-Bit
Program Memory Size
32KB (16K x 16)
Core Processor
PIC
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
25
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 10x12b
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
1.5KB
Cpu Speed
40MHz
No. Of Timers
4
Package
28SPDIP
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Operating Supply Voltage
2.5|3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
25
Interface Type
I2C/SPI/USART
On-chip Adc
10-chx12-bit
Number Of Timers
4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC18F2221-ISO PDF datasheet
- PIC18F2423-ISP PDF datasheet #2
- PIC18F2423-ISP PDF datasheet #3
- PIC18F2423-ISP PDF datasheet #4
- PIC18F2523-ISO PDF datasheet #5
- Current page: 269 of 392
- Download datasheet (7Mb)
23.5
The overall structure of the code protection on the
PIC18 Flash devices differs significantly from other
PIC
The user program memory is divided into five blocks.
One of these is a boot block of 2 Kbytes. The remainder
of the memory is divided into four blocks on binary
boundaries.
FIGURE 23-5:
TABLE 23-3:
© 2007 Microchip Technology Inc.
300008h
300009h
30000Ah
30000Bh
30000Ch
30000Dh
Legend: Shaded cells are unimplemented.
Note 1:
®
MCU devices.
File Name
Program Verification and
Code Protection
Unimplemented in PIC18LF2423/4423 devices; maintain this bit set.
(PIC18LF2423/4423)
CONFIG5L
CONFIG5H
CONFIG6L
CONFIG6H
CONFIG7L
CONFIG7H
Unimplemented
Boot Block
16 Kbytes
SUMMARY OF CODE PROTECTION REGISTERS
Read ‘0’s
Block 0
Block 1
MEMORY SIZE/DEVICE
CODE-PROTECTED PROGRAM MEMORY FOR PIC18LF2423/2523/4423/4523
WRTD
Bit 7
CPD
—
—
—
—
(PIC18LF2523/4523)
EBTRB
WRTB
Bit 6
CPB
Unimplemented
—
—
—
Boot Block
32 Kbytes
Read ‘0’s
Block 0
Block 1
Block 2
Block 3
PIC18F2423/2523/4423/4523
WRTC
Bit 5
Preliminary
—
—
—
—
—
000000h
0007FFh
000800h
001FFFh
002000h
003FFFh
004000h
005FFFh
006000h
007FFFh
1FFFFFh
Address
Bit 4
Range
—
—
—
—
—
—
Each of the five blocks has three code protection bits
associated with them. They are:
• Code-Protect bit (CPn)
• Write-Protect bit (WRTn)
• External Block Table Read bit (EBTRn)
Figure 23-5 shows the program memory organization
for 16 and 32-Kbyte devices and the specific code pro-
tection bit associated with each block. The actual
locations of the bits are summarized in Table 23-3.
EBTR3
WRT3
CP3
Bit 3
—
—
—
(Unimplemented Memory Space)
(1)
(1)
(1)
Block Code Protection
CPB, WRTB, EBTRB
CP0, WRT0, EBTR0
CP1, WRT1, EBTR1
CP2, WRT2, EBTR2
CP3, WRT3, EBTR3
EBTR2
Controlled By:
WRT2
CP2
Bit 2
—
—
—
(1)
(1)
(1)
EBTR1
WRT1
Bit 1
CP1
DS39755B-page 267
—
—
—
EBTR0
WRT0
Bit 0
CP0
—
—
—
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