PIC18LF2585-I/SO Microchip Technology, PIC18LF2585-I/SO Datasheet - Page 107
![IC MCU FLASH 24KX16 28SOIC](/photos/6/59/65909/150-28-soic_sml.jpg)
PIC18LF2585-I/SO
Manufacturer Part Number
PIC18LF2585-I/SO
Description
IC MCU FLASH 24KX16 28SOIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F2221-ISO.pdf
(46 pages)
3.PIC18F4585-IPT.pdf
(482 pages)
4.PIC18F4585-IPT.pdf
(14 pages)
5.PIC18F4585-IPT.pdf
(8 pages)
6.PIC18F4585-IPT.pdf
(12 pages)
7.PIC18F4585-IPT.pdf
(4 pages)
Specifications of PIC18LF2585-I/SO
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
25
Program Memory Size
48KB (24K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.25K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3.25 KB
Interface Type
I2C, SPI, EUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
28
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, DM163011, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PIC18LF2585-I/SOR
PIC18LF2585-I/SOR
PIC18LF2585-I/SOR
- PIC16F616T-ISL PDF datasheet
- PIC18F2221-ISO PDF datasheet #2
- PIC18F4585-IPT PDF datasheet #3
- PIC18F4585-IPT PDF datasheet #4
- PIC18F4585-IPT PDF datasheet #5
- PIC18F4585-IPT PDF datasheet #6
- PIC18F4585-IPT PDF datasheet #7
- Current page: 107 of 482
- Download datasheet (9Mb)
7.0
The data EEPROM is a nonvolatile memory array,
separate from the data RAM and program memory, that
is used for long-term storage of program data. It is not
directly mapped in either the register file or program
memory space but is indirectly addressed through the
Special Function Registers (SFRs). The EEPROM is
readable and writable during normal operation over the
entire V
Five SFRs are used to read and write to the data
EEPROM as well as the program memory. They are:
• EECON1
• EECON2
• EEDATA
• EEADR
• EEADRH
The data EEPROM allows byte read and write. When
interfacing to the data memory block, EEDATA holds
the 8-bit data for read/write and the EEADRH:EEADR
register pair holds the address of the EEPROM location
being accessed.
The EEPROM data memory is rated for high erase/write
cycle endurance. A byte write automatically erases the
location and writes the new data (erase-before-write).
The write time is controlled by an on-chip timer; it will
vary with voltage and temperature, as well as from chip
to chip. Please refer to parameter D122 (Table 27-1 in
Section 27.0 “Electrical Characteristics”) for exact
limits.
7.1
The EEADRH:EEADR register pair is used to address
the data EEPROM for read and write operations.
EEADRH holds the two MSbits of the address; the
upper 6 bits are ignored. The 10-bit range of the pair
can address a memory range of 1024 bytes (00h to
3FFh).
7.2
Access to the data EEPROM is controlled by two
registers: EECON1 and EECON2. These are the same
registers which control access to the program memory
and are used in a similar manner for the data
EEPROM.
© 2007 Microchip Technology Inc.
DD
DATA EEPROM MEMORY
EECON1 and EECON2 Registers
EEADR and EEADRH Registers
range.
PIC18F2585/2680/4585/4680
Preliminary
The EECON1 register (Register 7-1) is the control
register for data and program memory access. Control
bit EEPGD determines if the access will be to program
or data EEPROM memory. When clear, operations will
access the data EEPROM memory. When set, program
memory is accessed.
Control bit CFGS determines if the access will be to the
Configuration registers or to program memory/data
EEPROM memory. When set, subsequent operations
access Configuration registers. When CFGS is clear,
the EEPGD bit selects either program Flash or data
EEPROM memory.
The WREN bit, when set, will allow a write operation.
On power-up, the WREN bit is clear. The WRERR bit is
set in hardware when the WREN bit is set and cleared
when the internal programming timer expires and the
write operation is complete.
The WR control bit initiates write operations. The bit
cannot be cleared, only set, in software; it is cleared in
hardware at the completion of the write operation.
Control bits, RD and WR, start read and erase/write
operations, respectively. These bits are set by firmware
and cleared by hardware at the completion of the
operation.
The RD bit cannot be set when accessing program
memory (EEPGD = 1). Program memory is read using
table read instructions. See Section 6.1 “Table Reads
and Table Writes” regarding table reads.
The EECON2 register is not a physical register. It is
used exclusively in the memory write and erase
sequences. Reading EECON2 will read all ‘0’s.
Note:
Note:
During normal operation, the WRERR is
read as ‘1’. This can indicate that a write
operation was prematurely terminated by
a Reset, or a write operation was
attempted improperly.
The EEIF interrupt flag bit (PIR2<4>) is set
when the write is complete. It must be
cleared in software.
DS39625C-page 105
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