PIC18LF2539-I/SO Microchip Technology, PIC18LF2539-I/SO Datasheet - Page 193
![IC MCU FLASH 12KX16 EE AD 28SOIC](/photos/6/59/65909/150-28-soic_sml.jpg)
PIC18LF2539-I/SO
Manufacturer Part Number
PIC18LF2539-I/SO
Description
IC MCU FLASH 12KX16 EE AD 28SOIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F2439-ISO.pdf
(322 pages)
3.PIC18F2439-ISO.pdf
(6 pages)
4.PIC18F2439-ISO.pdf
(34 pages)
Specifications of PIC18LF2539-I/SO
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
21
Program Memory Size
24KB (12K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
1408 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 5x10b
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
1408 B
Interface Type
I2C, SPI, AUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
21
Number Of Timers
16 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
DV164005, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
5 bit
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- PIC16F616T-ISL PDF datasheet
- PIC18F2439-ISO PDF datasheet #2
- PIC18F2439-ISO PDF datasheet #3
- PIC18F2439-ISO PDF datasheet #4
- Current page: 193 of 322
- Download datasheet (7Mb)
19.1
The Low Voltage Detect Control register controls the
operation of the Low Voltage Detect circuitry.
REGISTER 19-1:
2002 Microchip Technology Inc.
Control Register
bit 7-6
bit 5
bit 4
bit 3-0
LVDCON REGISTER
bit 7
Unimplemented: Read as '0'
IRVST: Internal Reference Voltage Stable Flag bit
1 = Indicates that the Low Voltage Detect logic will generate the interrupt flag at the
0 = Indicates that the Low Voltage Detect logic will not generate the interrupt flag at the
LVDEN: Low Voltage Detect Power Enable bit
1 = Enables LVD, powers up LVD circuit
0 = Disables LVD, powers down LVD circuit
LVDL3:LVDL0: Low Voltage Detection Limit bits
1111 = External analog input is used (input comes from the LVDIN pin)
1110 = 4.5V - 4.77V
1101 = 4.2V - 4.45V
1100 = 4.0V - 4.24V
1011 = 3.8V - 4.03V
1010 = 3.6V - 3.82V
1001 = 3.5V - 3.71V
1000 = 3.3V - 3.50V
0111 = 3.0V - 3.18V
0110 = 2.8V - 2.97V
0101 = 2.7V - 2.86V
0100 = 2.5V - 2.65V
0011 = 2.4V - 2.54V
0010 = 2.2V - 2.33V
0001 = 2.0V - 2.12V
0000 = Reserved
Note:
Legend:
R = Readable bit
- n = Value at POR
U-0
—
specified voltage range
specified voltage range and the LVD interrupt should not be enabled
LVDL3:LVDL0 modes, which result in a trip point below the valid operating voltage
of the device, are not tested.
U-0
—
IRVST
Preliminary
R-0
W = Writable bit
‘1’ = Bit is set
LVDEN
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
LVDL3
R/W-0
PIC18FXX39
LVDL2
R/W-1
x = Bit is unknown
LVDL1
R/W-0
DS30485A-page 191
LVDL0
R/W-1
bit 0
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