PIC18F2539-I/SO Microchip Technology, PIC18F2539-I/SO Datasheet - Page 80
![IC MCU FLASH 12KX16 EE AD 28SOIC](/photos/6/59/65909/150-28-soic_sml.jpg)
PIC18F2539-I/SO
Manufacturer Part Number
PIC18F2539-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 PIC18F2539-I/SO
Core Size
8-Bit
Program Memory Size
24KB (12K 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
21
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
1408 x 8
Voltage - Supply (vcc/vdd)
4.2 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)
Controller Family/series
PIC18
No. Of I/o's
21
Eeprom Memory Size
256Byte
Ram Memory Size
1.375KB
Cpu Speed
40MHz
No. Of Timers
4
Processor Series
PIC18F
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
For Use With
XLT28SO-1 - SOCKET TRANSITION 28SOIC 300MIL
Lead Free Status / Rohs Status
Details
- PIC16F616T-ISL PDF datasheet
- PIC18F2439-ISO PDF datasheet #2
- PIC18F2439-ISO PDF datasheet #3
- PIC18F2439-ISO PDF datasheet #4
- Current page: 80 of 322
- Download datasheet (7Mb)
PIC18FXX39
8.4
The IPR registers contain the individual priority bits for
the peripheral interrupts. Due to the number of periph-
eral interrupt sources, there are two Peripheral Inter-
rupt Priority registers (IPR1, IPR2). The operation of
the priority bits requires that the Interrupt Priority
Enable (IPEN) bit be set.
For PIC18FXX39 devices, the Motor Control kernel
requires that the Timer2 to PR2 match interrupt be the
only high priority interrupt. Failure to do this may result
in unpredictable operation of the kernel or the entire
microcontroller.
REGISTER 8-8:
DS30485A-page 78
IPR Registers
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
IPR1: PERIPHERAL INTERRUPT PRIORITY REGISTER 1
bit 7
PSPIP
1 = High priority
0 = Low priority
ADIP
1 = High priority
0 = Low priority
RCIP
1 = High priority
0 = Low priority
TXIP
1 = High priority
0 = Low priority
SSPIP
1 = High priority
0 = Low priority
Unimplemented: Read as ‘1’
TMR2IP
1 = High priority
0 = Low priority
TMR1IP
1 = High priority
0 = Low priority
PSPIP
Legend:
R = Readable bit
- n = Value at POR
R/W-1
Note 1: This bit is reserved on PIC18F2X39 devices.
(2)
(2)
(2)
(1,2)
(2)
(1,2)
: USART Transmit Interrupt Priority bit
: A/D Converter Interrupt Priority bit
: USART Receive Interrupt Priority bit
(3)
(2)
2: Maintain this bit cleared (= 0).
3: This bit is reserved for use by the ProMPT kernel; always maintain this bit set (= 1).
: Master Synchronous Serial Port Interrupt Priority bit
: Parallel Slave Port Read/Write Interrupt Priority bit
: TMR2 to PR2 Match Interrupt Priority bit
: TMR1 Overflow Interrupt Priority bit
ADIP
R/W-1
(2)
RCIP
R/W-1
Preliminary
W = Writable bit
‘1’ = Bit is set
(2)
TXIP
R/W-1
In practical terms, this means:
• Interrupt priority levels are enabled (IPEN = 1);
• High priority interrupts are enabled
• Timer2 interrupt is enabled and set as high priority
• all other interrupts are disabled (INTCON or PIR
(INTCON<7> = 1);
(PIE1<1> and IPR<1> = 1); and
bits = 0), or set as low priority (IPR bits = 0).
Note:
(2)
SSPIP
R/W-1
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
Configuring the interrupts is automatically
done
ProMPT_Init(PWMfrequency). It is the
user’s responsibility to make certain that
this method is called at the very beginning
of the application.
(2)
by
U-1
—
2002 Microchip Technology Inc.
the
API
TMR2IP
x = Bit is unknown
R/W-1
method
(3)
TMR1IP
R/W-1
void
bit 0
(2)
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