PIC18LF252-I/SO Microchip Technology, PIC18LF252-I/SO Datasheet - Page 110
PIC18LF252-I/SO
Manufacturer Part Number
PIC18LF252-I/SO
Description
IC MCU FLASH 16KX16 A/D 28SOIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F242-ISO.pdf
(332 pages)
3.PIC18F242-ISO.pdf
(14 pages)
4.PIC18F242-ISO.pdf
(16 pages)
5.PIC18F242-ISO.pdf
(16 pages)
6.PIC18F242-ISO.pdf
(14 pages)
7.PIC18LF242-ISO.pdf
(36 pages)
Specifications of PIC18LF252-I/SO
Core Size
8-Bit
Program Memory Size
32KB (16K 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
23
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Controller Family/series
PIC18
No. Of I/o's
23
Eeprom Memory Size
256Byte
Ram Memory Size
1.5KB
Cpu Speed
40MHz
No. Of Timers
4
Processor Series
PIC18LF
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
23
Number Of Timers
4 bit
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 bit, 5 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:
PIC18LF252-I/SO
Manufacturer:
MICROCHIP
Quantity:
3 000
- PIC16F616T-ISL PDF datasheet
- PIC18F242-ISO PDF datasheet #2
- PIC18F242-ISO PDF datasheet #3
- PIC18F242-ISO PDF datasheet #4
- PIC18F242-ISO PDF datasheet #5
- PIC18F242-ISO PDF datasheet #6
- PIC18LF242-ISO PDF datasheet #7
- Current page: 110 of 332
- Download datasheet (6Mb)
PIC18FXX2
11.1
Timer1 can operate in one of these modes:
• As a timer
• As a synchronous counter
• As an asynchronous counter
The Operating mode is determined by the clock select
bit, TMR1CS (T1CON<1>).
FIGURE 11-1:
FIGURE 11-2:
DS39564C-page 108
T13CKI/T1OSO
Note 1: When enable bit T1OSCEN is cleared, the inverter and feedback resistor are turned off. This eliminates power drain.
Note 1: When enable bit T1OSCEN is cleared, the inverter and feedback resistor are turned off. This eliminates power drain.
T1CKI/T1OSO
T1OSI
TMR1IF
Overflow
Interrupt
Flag bit
Data Bus<7:0>
Timer1 Operation
Write TMR1L
Read TMR1L
TMR1IF
Overflow
Interrupt
Flag Bit
T1OSI
TIMER1 BLOCK DIAGRAM: 16-BIT READ/WRITE MODE
TIMER1 BLOCK DIAGRAM
8
T1OSC
High Byte
TMR1H
Timer 1
8
TMR1H
T1OSC
8
TMR1
TMR1
Oscillator
Enable
T1OSCEN
T1OSCEN
Enable
Oscillator
TMR1L
TMR1L
8
(1)
CLR
(1)
CLR
Clock
Internal
F
OSC
Clock
F
Internal
OSC
/4
TMR1ON
CCP Special Event Trigger
On/Off
/4
TMR1CS
TMR1ON
CCP Special Event Trigger
on/off
1
0
When TMR1CS = 0, Timer1 increments every instruc-
tion cycle. When TMR1CS = 1, Timer1 increments on
every rising edge of the external clock input or the
Timer1 oscillator, if enabled.
When the Timer1 oscillator is enabled (T1OSCEN is
set), the RC1/T1OSI and RC0/T1OSO/T1CKI pins
become inputs. That is, the TRISC<1:0> value is
ignored, and the pins are read as ‘0’.
Timer1 also has an internal “RESET input”. This
RESET can be generated by the CCP module
(Section 14.0).
TMR1CS
1
0
T1CKPS1:T1CKPS0
T1SYNC
Prescaler
1, 2, 4, 8
T1CKPS1:T1CKPS0
T1SYNC
Prescaler
0
1
1, 2, 4, 8
2
1
0
2
© 2006 Microchip Technology Inc.
Synchronized
Clock Input
Synchronize
SLEEP Input
Synchronized
Clock Input
Synchronize
SLEEP Input
det
det
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