PIC18LF2682-I/SO Microchip Technology, PIC18LF2682-I/SO Datasheet - Page 159
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PIC18LF2682-I/SO
Manufacturer Part Number
PIC18LF2682-I/SO
Description
80KB Flash, 3KB RAM, ECAN, 1024 EEPROM 28 SOIC .300in TUBE
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PCM18XT0.pdf
(484 pages)
2.PIC18F2221-ISO.pdf
(46 pages)
3.PIC18F2682-ISP.pdf
(6 pages)
4.PIC18F2682-ISP.pdf
(4 pages)
Specifications of PIC18LF2682-I/SO
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
Program Memory Size
80KB (40K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.25K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 8x10b
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
3.25 KB
Interface Type
EUSART, I2C, MSSP, SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
28
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, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18LF2682-I/SO
Manufacturer:
Microchip Technology
Quantity:
135
- PCM18XT0 PDF datasheet
- PIC18F2221-ISO PDF datasheet #2
- PIC18F2682-ISP PDF datasheet #3
- PIC18F2682-ISP PDF datasheet #4
- Current page: 159 of 484
- Download datasheet (9Mb)
13.0
The Timer2 module incorporates the following features:
• 8-bit timer and period registers (TMR2 and PR2,
• Readable and writable (both registers)
• Software programmable prescaler (1:1, 1:4 and
• Software programmable postscaler (1:1 through
• Interrupt on TMR2 to PR2 match
• Optional use as the shift clock for the MSSP
The module is controlled through the T2CON register
(Register 13-1), which enables or disables the timer
and configures the prescaler and postscaler. Timer2
can be shut off by clearing control bit, TMR2ON
(T2CON<2>), to minimize power consumption.
A simplified block diagram of the module is shown in
Figure 13-1.
REGISTER 13-1:
© 2009 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6-3
bit 2
bit 1-0
respectively)
1:16)
1:16)
module
U-0
—
TIMER2 MODULE
Unimplemented: Read as ‘0’
T2OUTPS3:T2OUTPS0: Timer2 Output Postscale Select bits
0000 = 1:1 Postscale
0001 = 1:2 Postscale
•
•
•
1111 = 1:16 Postscale
TMR2ON: Timer2 On bit
1 = Timer2 is on
0 = Timer2 is off
T2CKPS1:T2CKPS0: Timer2 Clock Prescale Select bits
00 = Prescaler is 1
01 = Prescaler is 4
1x = Prescaler is 16
T2OUTPS3
R/W-0
T2CON: TIMER2 CONTROL REGISTER
W = Writable bit
‘1’ = Bit is set
T2OUTPS2
R/W-0
PIC18F2682/2685/4682/4685
T2OUTPS1
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
T2OUTPS0
R/W-0
13.1
In normal operation, TMR2 is incremented from 00h on
each clock (F
clock input gives direct input, divide-by-4 and divide-
by-16 prescale options. These options are selected by
the
(T2CON<1:0>). The value of TMR2 is compared to that
of the period register, PR2, on each clock cycle. When
the two values match, the comparator generates a
match signal as the timer output. This signal also resets
the value of TMR2 to 00h on the next cycle and drives
the output counter/postscaler (see Section 13.2
“Timer2 Interrupt”).
The TMR2 and PR2 registers are both directly readable
and writable. The TMR2 register is cleared on any
device Reset, while the PR2 register initializes at FFh.
Both the prescaler and postscaler counters are cleared
on the following events:
• a write to the TMR2 register
• a write to the T2CON register
• any device Reset (Power-on Reset, MCLR Reset,
TMR2 is not cleared when T2CON is written.
Watchdog Timer Reset or Brown-out Reset)
prescaler
Timer2 Operation
TMR2ON
OSC
R/W-0
control
/4). A 2-bit counter/prescaler on the
x = Bit is unknown
bits,
T2CKPS1
R/W-0
T2CKPS1:T2CKPS0
DS39761C-page 159
T2CKPS0
R/W-0
bit 0
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