PIC18F248-I/SO Microchip Technology, PIC18F248-I/SO Datasheet - Page 116
PIC18F248-I/SO
Manufacturer Part Number
PIC18F248-I/SO
Description
IC MCU FLASH 8KX16 CAN 28SOIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18LF242-ISO.pdf
(36 pages)
3.PIC18F248-ISO.pdf
(402 pages)
4.PIC18F248-ISO.pdf
(8 pages)
Specifications of PIC18F248-I/SO
Core Size
8-Bit
Program Memory Size
16KB (8K x 16)
Core Processor
PIC
Speed
40MHz
Connectivity
CAN, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
22
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
4.2 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
22
Eeprom Memory Size
256Byte
Ram Memory Size
768Byte
Cpu Speed
40MHz
No. Of Timers
4
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
SPI, I2C, USART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
23
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, DM163011, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 5 Channel
Package
28SOIC W
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT28SO-1 - SOCKET TRANSITION 28SOIC 300MIL
Lead Free Status / Rohs Status
Details
Other names
PIC18F248I/SO
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC18F248-I/SO
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC18LF242-ISO PDF datasheet #2
- PIC18F248-ISO PDF datasheet #3
- PIC18F248-ISO PDF datasheet #4
- Current page: 116 of 402
- Download datasheet (7Mb)
12.1
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 register).
FIGURE 12-1:
FIGURE 12-2:
DS41159E-page 114
PIC18FXX8
Note 1: When enable bit T1OSCEN is cleared, the inverter and feedback resistor are turned off. This reduces power drain.
Note 1: When enable bit T1OSCEN is cleared, the inverter and feedback resistor are turned off. This reduces power drain.
T1CKI/T1OSO
Timer1 Operation
T1CKI/T1OSO
TMR1IF
Overflow
Interrupt
Flag bit
Data Bus<7:0>
TMR1IF
Overflow
Interrupt
Flag bit
Write TMR1L
Read TMR1L
T1OSI
T1OSI
TIMER1 BLOCK DIAGRAM
TIMER1 BLOCK DIAGRAM: 16-BIT READ/WRITE MODE
8
T1OSC
T1OSC
High Byte
TMR1H
TMR1H
8
Timer 1
8
TMR1
TMR1
Oscillator
T1OSCEN
Enable
Oscillator
Enable
T1OSCEN
TMR1L
TMR1L
8
CLR
(1)
(1)
Internal
Clock
F
OSC
Clock
/4
Internal
F
TMR1ON
CCP Special Event Trigger
OSC
On/Off
TMR1CS
When TMR1CS is clear, Timer1 increments every
instruction cycle. When TMR1CS is set, 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.
Timer1 also has an internal “Reset input”. This Reset
can be generated by the CCP module (Section 15.1
“CCP1 Module”).
/4
TMR1ON
Special Event Trigger
1
0
On/Off
TMR1CS
T1CKPS1:T1CKPS0
1
0
T1SYNC
Prescaler
1, 2, 4, 8
T1CKPS1:T1CKPS0
0
1
T1SYNC
Prescaler
1, 2, 4, 8
2
0
1
2
© 2006 Microchip Technology Inc.
Synchronized
Clock Input
Synchronize
Sleep Input
Synchronized
Clock Input
Synchronize
Sleep Input
det
det
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