PIC18F2580-E/SP Microchip Technology, PIC18F2580-E/SP Datasheet - Page 225
![IC PIC MCU FLASH 16KX16 28DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC18F2580-E/SP
Manufacturer Part Number
PIC18F2580-E/SP
Description
IC PIC MCU FLASH 16KX16 28DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F2221-ISO.pdf
(46 pages)
2.PIC18F4480-IPT.pdf
(490 pages)
3.PIC18F4480-IPT.pdf
(8 pages)
4.PIC18F4480-IPT.pdf
(6 pages)
5.PIC18F4480-IPT.pdf
(6 pages)
6.PIC18F2580-ESO.pdf
(483 pages)
Specifications of PIC18F2580-E/SP
Program Memory Type
FLASH
Program Memory Size
32KB (16K x 16)
Package / Case
28-DIP (0.300", 7.62mm)
Core Processor
PIC
Core Size
8-Bit
Speed
25MHz
Connectivity
CAN, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
25
Eeprom Size
256 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1.5 KB
Interface Type
SPI/I2C/MSSP/EUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
25
Number Of Timers
4
Maximum Operating Temperature
+ 125 C
Mounting Style
Through Hole
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-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DVA18XP280 - DEVICE ADAPTER 18F2220 PDIP 28LD
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F2580-E/SP
Manufacturer:
Microchip Technology
Quantity:
135
- PIC18F2221-ISO PDF datasheet
- PIC18F4480-IPT PDF datasheet #2
- PIC18F4480-IPT PDF datasheet #3
- PIC18F4480-IPT PDF datasheet #4
- PIC18F4480-IPT PDF datasheet #5
- PIC18F2580-ESO PDF datasheet #6
- Current page: 225 of 490
- Download datasheet (9Mb)
18.4.14
While in Sleep mode, the I
addresses or data and when an address match or
complete byte transfer occurs, wake the processor
from Sleep (if the MSSP interrupt is enabled).
18.4.15
A Reset disables the MSSP module and terminates the
current transfer.
18.4.16
In Multi-Master mode, the interrupt generation on the
detection of the Start and Stop conditions allows the
determination of when the bus is free. The Stop (P) and
Start (S) bits are cleared from a Reset or when the
MSSP module is disabled. Control of the I
be taken when the P bit (SSPSTAT<4>) is set, or the
bus is Idle, with both the S and P bits clear. When the
bus is busy, enabling the MSSP interrupt will generate
the interrupt when the Stop condition occurs.
In multi-master operation, the SDA line must be
monitored for arbitration to see if the signal level is the
expected output level. This check is performed in
hardware with the result placed in the BCLIF bit.
The states where arbitration can be lost are:
• Address Transfer
• Data Transfer
• A Start Condition
• A Repeated Start Condition
• An Acknowledge Condition
FIGURE 18-25:
© 2009 Microchip Technology Inc.
SDA
SCL
BCLIF
SLEEP OPERATION
EFFECT OF A RESET
MULTI-MASTER MODE
BUS COLLISION TIMING FOR TRANSMIT AND ACKNOWLEDGE
2
C module can receive
Data changes
while SCL = 0
2
C bus may
PIC18F2480/2580/4480/4580
SDA released
by master
SDA line pulled low
by another source
18.4.17
Multi-Master mode support is achieved by bus arbitra-
tion. When the master outputs address/data bits onto
the SDA pin, arbitration takes place when the master
outputs a ‘1’ on SDA, by letting SDA float high, and
another master asserts a ‘0’. When the SCL pin floats
high, data should be stable. If the expected data on
SDA is a ‘1’ and the data sampled on the SDA pin = 0,
then a bus collision has taken place. The master will set
the Bus Collision Interrupt Flag, BCLIF, and reset the
I
If a transmit was in progress when the bus collision
occurred, the transmission is halted, the BF flag is
cleared, the SDA and SCL lines are deasserted and the
SSPBUF can be written to. When the user services the
bus collision Interrupt Service Routine and if the I
bus is free, the user can resume communication by
asserting a Start condition.
If a Start, Repeated Start, Stop or Acknowledge
condition was in progress when the bus collision
occurred, the condition is aborted, the SDA and SCL
lines are deasserted and the respective control bits in
the SSPCON2 register are cleared. When the user ser-
vices the bus collision Interrupt Service Routine, and if
the I
by asserting a Start condition.
The master will continue to monitor the SDA and SCL
pins. If a Stop condition occurs, the SSPIF bit will be set.
A write to the SSPBUF will start the transmission of
data at the first data bit, regardless of where the
transmitter left off when the bus collision occurred.
In Multi-Master mode, the interrupt generation on the
detection of Start and Stop conditions allows the determi-
nation of when the bus is free. Control of the I
be taken when the P bit is set in the SSPSTAT register,
or the bus is Idle and the S and P bits are cleared.
2
C port to its Idle state (Figure 18-25).
2
C bus is free, the user can resume communication
MULTI-MASTER COMMUNICATION,
BUS COLLISION AND BUS
ARBITRATION
Sample SDA. While SCL is high,
data doesn’t match what is driven
by the master;
bus collision has occurred.
Set bus collision
interrupt (BCLIF)
DS39637D-page 225
2
C bus can
2
C
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