PIC18LF452-I/L Microchip Technology, PIC18LF452-I/L Datasheet - Page 209
![IC MCU FLASH 16KX16 A/D 44PLCC](/photos/6/63/66325/150-44-plcc_sml.jpg)
PIC18LF452-I/L
Manufacturer Part Number
PIC18LF452-I/L
Description
IC MCU FLASH 16KX16 A/D 44PLCC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F242-ISO.pdf
(332 pages)
3.PIC18F242-ISO.pdf
(14 pages)
4.PIC18F242-ISO.pdf
(16 pages)
5.PIC18F242-ISO.pdf
(16 pages)
6.PIC18F242-ISO.pdf
(14 pages)
7.PIC18LF242-ISO.pdf
(36 pages)
Specifications of PIC18LF452-I/L
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, LVD, POR, PWM, WDT
Number Of I /o
34
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 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Controller Family/series
PIC18
No. Of I/o's
34
Eeprom Memory Size
256Byte
Ram Memory Size
1.5KB
Cpu Speed
40MHz
No. Of Timers
4
Processor Series
PIC18LF
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
34
Number Of Timers
1 x 16 bit
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, DV164136, DM163022
Minimum Operating Temperature
- 40 C
On-chip Adc
8
Package
44PLCC
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Operating Supply Voltage
2.5|3.3|5 V
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
Company:
Part Number:
PIC18LF452-I/L
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC18F242-ISO PDF datasheet #2
- PIC18F242-ISO PDF datasheet #3
- PIC18F242-ISO PDF datasheet #4
- PIC18F242-ISO PDF datasheet #5
- PIC18F242-ISO PDF datasheet #6
- PIC18LF242-ISO PDF datasheet #7
- Current page: 209 of 332
- Download datasheet (6Mb)
19.4
The overall structure of the code protection on the
PIC18 FLASH devices differs significantly from other
PICmicro devices.
The user program memory is divided into five blocks.
One of these is a boot block of 512 bytes. The remain-
der of the memory is divided into four blocks on binary
boundaries.
FIGURE 19-3:
TABLE 19-3:
© 2006 Microchip Technology Inc.
300008h
300009h
30000Ah
30000Bh
30000Ch
30000Dh
Legend: Shaded cells are unimplemented.
File Name
Program Verification and
Code Protection
Unimplemented
Unimplemented
Unimplemented
(PIC18FX42)
16 Kbytes
Boot Block
Read 0’s
Read 0’s
Read 0’s
Block 0
Block 1
CONFIG5L
CONFIG5H
CONFIG6L
CONFIG6H
CONFIG7L
CONFIG7H
MEMORY SIZE/DEVICE
SUMMARY OF CODE PROTECTION REGISTERS
CODE PROTECTED PROGRAM MEMORY FOR PIC18F2XX/4XX
WRTD
Bit 7
CPD
—
—
—
—
Unimplemented
(PIC18FX52)
32 Kbytes
Boot Block
Read 0’s
Block 0
Block 1
Block 2
Block 3
EBTRB
WRTB
Bit 6
CPB
—
—
—
WRTC
Bit 5
—
—
—
—
—
000000h
0001FFh
000200h
001FFFh
002000h
003FFFh
004000h
005FFFh
006000h
007FFFh
008000h
1FFFFFh
Address
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 19-3 shows the program memory organization
for 16- and 32-Kbyte devices, and the specific code
protection bit associated with each block. The actual
locations of the bits are summarized in Table 19-3.
Bit 4
—
—
—
—
—
—
(Unimplemented Memory Space)
EBTR3
WRT3
Bit 3
CP3
—
—
—
Block Code Protection
CPB, WRTB, EBTRB
CP0, WRT0, EBTR0
CP1, WRT1, EBTR1
CP2, WRT2, EBTR2
CP3, WRT3, EBTR3
Controlled By:
EBTR2
WRT2
Bit 2
CP2
—
—
—
PIC18FXX2
EBTR1
WRT1
Bit 1
CP1
DS39564C-page 207
—
—
—
EBTR0
WRT0
Bit 0
CP0
—
—
—
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