PIC18LF258-I/SO Microchip Technology, PIC18LF258-I/SO Datasheet - Page 46
![IC MCU CAN FLASH 16K LP 28-SOIC](/photos/6/59/65909/150-28-soic_sml.jpg)
PIC18LF258-I/SO
Manufacturer Part Number
PIC18LF258-I/SO
Description
IC MCU CAN FLASH 16K LP 28-SOIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16C770-ISO.pdf
(8 pages)
3.PIC18LF242-ISO.pdf
(36 pages)
4.PIC18F248-ISO.pdf
(402 pages)
5.PIC18F248-ISO.pdf
(8 pages)
Specifications of PIC18LF258-I/SO
Core Size
8-Bit
Program Memory Size
32KB (16K x 16)
Core Processor
PIC
Speed
40MHz
Connectivity
CAN, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
22
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 5x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Controller Family/series
PIC18
No. Of I/o's
22
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
1.5 KB
Interface Type
SPI, I2C, USART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
22
Number Of Timers
4 bit
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, DM163011, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
5 bit
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:
PIC18LF258-I/SO
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC16C770-ISO PDF datasheet #2
- PIC18LF242-ISO PDF datasheet #3
- PIC18F248-ISO PDF datasheet #4
- PIC18F248-ISO PDF datasheet #5
- Current page: 46 of 402
- Download datasheet (7Mb)
4.9
The data memory is implemented as static RAM. Each
register in the data memory has a 12-bit address,
allowing up to 4096 bytes of data memory. Figure 4-6
shows the data memory organization for the
PIC18FXX8 devices.
The data memory map is divided into as many as
16 banks that contain 256 bytes each. The lower 4 bits
of the Bank Select Register (BSR<3:0>) select which
bank will be accessed. The upper 4 bits for the BSR are
not implemented.
The data memory contains Special Function Registers
(SFRs) and General Purpose Registers (GPRs). The
SFRs are used for control and status of the controller
and peripheral functions, while GPRs are used for data
storage and scratchpad operations in the user’s appli-
cation. The SFRs start at the last location of Bank 15
(FFFh) and grow downwards. GPRs start at the first
location of Bank 0 and grow upwards. Any read of an
unimplemented location will read as ‘0’s.
The entire data memory may be accessed directly or
indirectly. Direct addressing may require the use of the
BSR register. Indirect addressing requires the use of
the File Select Register (FSR). Each FSR holds a
12-bit address value that can be used to access any
location in the data memory map without banking.
The instruction set and architecture allow operations
across all banks. This may be accomplished by indirect
addressing or by the use of the MOVFF instruction. The
MOVFF instruction is a two-word/two-cycle instruction,
that moves a value from one register to another.
To ensure that commonly used registers (SFRs and
select GPRs) can be accessed in a single cycle,
regardless of the current BSR values, an Access Bank
is implemented. A segment of Bank 0 and a segment of
Bank 15 comprise the Access RAM. Section 4.10
“Access Bank” provides a detailed description of the
Access RAM.
DS41159E-page 44
PIC18FXX8
Data Memory Organization
4.9.1
The register file can be accessed either directly or
indirectly. Indirect addressing operates through the File
Select Registers (FSR). The operation of indirect
addressing is shown in Section 4.12 “Indirect
Addressing, INDF and FSR Registers”.
Enhanced MCU devices may have banked memory in
the GPR area. GPRs are not initialized by a Power-on
Reset and are unchanged on all other Resets.
Data RAM is available for use as GPR registers by all
instructions. Bank 15 (F00h to FFFh) contains SFRs.
All other banks of data memory contain GPR registers,
starting with Bank 0.
4.9.2
The Special Function Registers (SFRs) are registers
used by the CPU and peripheral modules for controlling
the desired operation of the device. These registers are
implemented as static RAM. A list of these registers is
given in Table 4-1.
The SFRs can be classified into two sets: those asso-
ciated with the “core” function and those related to the
peripheral functions. Those registers related to the
“core” are described in this section, while those related
to the operation of the peripheral features are
described in the section of that peripheral feature.
The SFRs are typically distributed among the
peripherals whose functions they control.
The unused SFR locations will be unimplemented and
read as ‘0’s. See Table 4-1 for addresses for the SFRs.
GENERAL PURPOSE
REGISTER FILE
SPECIAL FUNCTION REGISTERS
© 2006 Microchip Technology Inc.
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