PIC18F2520-I/SO Microchip Technology, PIC18F2520-I/SO Datasheet - Page 126
![IC MCU FLASH 16KX16 28SOIC](/photos/6/59/65909/150-28-soic_sml.jpg)
PIC18F2520-I/SO
Manufacturer Part Number
PIC18F2520-I/SO
Description
IC MCU FLASH 16KX16 28SOIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F2221-ISO.pdf
(46 pages)
3.PIC18F2420-IML.pdf
(412 pages)
4.PIC18F2420-IML.pdf
(16 pages)
5.PIC18F2420-IML.pdf
(8 pages)
6.PIC18F2420-IML.pdf
(6 pages)
7.PIC18F2420-IML.pdf
(8 pages)
8.PIC18F2420-IML.pdf
(4 pages)
9.PIC18F4420-IP.pdf
(390 pages)
Specifications of PIC18F2520-I/SO
Program Memory Type
FLASH
Program Memory Size
32KB (16K x 16)
Package / Case
28-SOIC (7.5mm Width)
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
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 10x10b
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
MSSP/SPI/I2C/PSP/USART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
25
Number Of Timers
4
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, DM163022, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT28SO-1 - SOCKET TRANSITION 28SOIC 300MILMCP3909RD-3PH1 - REF DESIGN MCP3909 3PH ENGY MTR
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Price
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SEMIKRON
Quantity:
120
Company:
Part Number:
PIC18F2520-I/SO
Manufacturer:
MICROCHIP
Quantity:
91
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PIC18F2520-I/SO
Manufacturer:
MIC
Quantity:
6
Part Number:
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Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC18F2221-ISO PDF datasheet #2
- PIC18F2420-IML PDF datasheet #3
- PIC18F2420-IML PDF datasheet #4
- PIC18F2420-IML PDF datasheet #5
- PIC18F2420-IML PDF datasheet #6
- PIC18F2420-IML PDF datasheet #7
- PIC18F2420-IML PDF datasheet #8
- PIC18F4420-IP PDF datasheet #9
- Current page: 126 of 390
- Download datasheet (8Mb)
PIC18F2420/2520/4420/4520
11.1
Timer0 can operate as either a timer or a counter; the
mode is selected with the T0CS bit (T0CON<5>). In
Timer mode (T0CS = 0), 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 inhibited
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 this mode, Timer0 increments either on every
rising or falling edge of pin RA4/T0CKI. The increment-
ing 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:
DS39631A-page 124
Note: Upon Reset, Timer0 is enabled in 8-bit mode with clock input from T0CKI max. prescale.
T0CKI pin
T0CKI pin
Note:
Timer0 Operation
T0SE
T0CS
T0PS2:T0PS0
PSA
Upon Reset, Timer0 is enabled in 8-bit mode with clock input from T0CKI max. prescale.
F
OSC
T0SE
T0CS
T0PS2:T0PS0
PSA
/4
F
OSC
TIMER0 BLOCK DIAGRAM (8-BIT MODE)
TIMER0 BLOCK DIAGRAM (16-BIT MODE)
/4
0
1
0
1
Programmable
Prescaler
Programmable
3
Prescaler
3
0
1
Preliminary
0
1
(2 T
Sync with
Internal
Clocks
CY
(2 T
Delay)
Sync with
Internal
Clocks
CY
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 writ-
able (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.
Delay)
Timer0 Reads and Writes in
16-Bit Mode
TMR0L
8
8
TMR0L
8
8
OSC
2004 Microchip Technology Inc.
High Byte
TMR0H
TMR0
8
). There is a delay between
8
Set
TMR0IF
on Overflow
Internal Data Bus
8
Set
TMR0IF
on Overflow
Read TMR0L
Write TMR0L
Internal Data Bus
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