PIC18F2580-I/ML Microchip Technology, PIC18F2580-I/ML Datasheet - Page 150
![IC PIC MCU FLASH 16KX16 28QFN](/photos/6/81/68120/150-28-qfn_sml.jpg)
PIC18F2580-I/ML
Manufacturer Part Number
PIC18F2580-I/ML
Description
IC PIC MCU FLASH 16KX16 28QFN
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-I/ML
Program Memory Type
FLASH
Program Memory Size
32KB (16K x 16)
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
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
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 ~ 85°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
+ 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-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT28QFN4 - SOCKET TRANS ICE 28QFN W/CABLEAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F2580-I/ML
Manufacturer:
Microchi
Quantity:
1 064
- 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: 150 of 483
- Download datasheet (9Mb)
PIC18F2480/2580/4480/4580
11.1
Timer0 can operate as either a timer or a counter; the
mode
(T0CON<5>). In Timer mode, the module increments
on every clock by default unless a different prescaler
value is selected (see Section 11.3 “Prescaler”). If
the TMR0 register is written to, the increment is inhib-
ited for the following two instruction cycles. The user
can work around this by writing an adjusted value to the
TMR0 register.
The Counter mode is selected by setting the T0CS bit
(= 1). In Counter mode, Timer0 increments either on
every rising or falling edge of pin RA4/T0CKI. The
incrementing edge is determined by the Timer0 Source
Edge Select bit, T0SE (T0CON<4>); clearing this bit
selects the rising edge. Restrictions on the external
clock input are discussed below.
An external clock source can be used to drive Timer0;
however, it must meet certain requirements to ensure
that the external clock can be synchronized with the
FIGURE 11-1:
FIGURE 11-2:
DS39637C-page 148
T0CKI pin
Note:
Note:
is
Timer0 Operation
Upon Reset, Timer0 is enabled in 8-bit mode with clock input from T0CKI max. prescale.
T0CKI pin
T0SE
T0CS
T0PS2:T0PS0
PSA
selected
Upon Reset, Timer0 is enabled in 8-bit mode with clock input from T0CKI max. prescale.
F
OSC
/4
T0SE
T0CS
T0PS2:T0PS0
PSA
F
TIMER0 BLOCK DIAGRAM (8-BIT MODE)
TIMER0 BLOCK DIAGRAM (16-BIT MODE)
by
OSC
0
1
/4
clearing
Programmable
0
1
Prescaler
the
3
Programmable
Prescaler
T0CS
3
1
0
Preliminary
bit
(2 T
Sync with
1
0
Internal
Clocks
CY
Delay)
(2 T
internal phase clock (T
synchronization and the onset of incrementing the
timer/counter.
11.2
TMR0H is not the actual high byte of Timer0 in 16-bit
mode; it is actually a buffered version of the real high
byte of Timer0, which is not directly readable nor
writable (refer to Figure 11-2). TMR0H is updated with
the contents of the high byte of Timer0 during a read of
TMR0L. This provides the ability to read all 16 bits of
Timer0 without having to verify that the read of the high
and low byte were valid, due to a rollover between
successive reads of the high and low byte.
Similarly, a write to the high byte of Timer0 must also
take place through the TMR0H Buffer register. The high
byte is updated with the contents of TMR0H when a
write occurs to TMR0L. This allows all 16 bits of Timer0
to be updated at once.
Sync with
Internal
Clocks
CY
Delay)
Timer0 Reads and Writes in
16-Bit Mode
TMR0L
8
8
8
TMR0L
OSC
High Byte
© 2007 Microchip Technology Inc.
TMR0H
8
TMR0
8
). There is a delay between
8
8
on Overflow
Internal Data Bus
Internal Data Bus
TMR0IF
Read TMR0L
Write TMR0L
Set
on Overflow
TMR0IF
Set
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