PIC18LF248-I/SP Microchip Technology, PIC18LF248-I/SP Datasheet - Page 121
![IC MCU CAN FLASH 8K LP 28DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC18LF248-I/SP
Manufacturer Part Number
PIC18LF248-I/SP
Description
IC MCU CAN FLASH 8K LP 28DIP
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 PIC18LF248-I/SP
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)
2 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.300", 7.62mm)
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
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- PIC16F616T-ISL PDF datasheet
- PIC18LF242-ISO PDF datasheet #2
- PIC18F248-ISO PDF datasheet #3
- PIC18F248-ISO PDF datasheet #4
- Current page: 121 of 402
- Download datasheet (7Mb)
14.0
The Timer3 module timer/counter has the following
features:
• 16-bit timer/counter
• Readable and writable (both registers)
• Internal or external clock select
• Interrupt-on-overflow from FFFFh to 0000h
• Reset from CCP1/ECCP1 module trigger
REGISTER 14-1:
© 2006 Microchip Technology Inc.
(two 8-bit registers: TMR3H and TMR3L)
TIMER3 MODULE
bit 7
bit 6,3
bit 5-4
bit 2
bit 1
bit 0
T3CON:TIMER3 CONTROL REGISTER
RD16: 16-bit Read/Write Mode Enable bit
1 = Enables register read/write of Timer3 in one 16-bit operation
0 = Enables register read/write of Timer3 in two 8-bit operations
T3ECCP1:T3CCP1: Timer3 and Timer1 to CCP1/ECCP1 Enable bits
1x = Timer3 is the clock source for compare/capture CCP1 and ECCP1 modules
01 = Timer3 is the clock source for compare/capture of ECCP1,
00 = Timer1 is the clock source for compare/capture CCP1 and ECCP1 modules
T3CKPS1:T3CKPS0: Timer3 Input Clock Prescale Select bits
11 = 1:8 Prescale value
10 = 1:4 Prescale value
01 = 1:2 Prescale value
00 = 1:1 Prescale value
T3SYNC: Timer3 External Clock Input Synchronization Control bit
(Not usable if the system clock comes from Timer1/Timer3.)
When TMR3CS = 1:
1 = Do not synchronize external clock input
0 = Synchronize external clock input
When TMR3CS = 0:
This bit is ignored. Timer3 uses the internal clock when TMR3CS = 0.
TMR3CS: Timer3 Clock Source Select bit
1 = External clock input from Timer1 oscillator or T1CKI (on the rising edge after the first falling edge)
0 = Internal clock (F
TMR3ON: Timer3 On bit
1 = Enables Timer3
0 = Stops Timer3
Legend:
R = Readable bit
-n = Value at POR
bit 7
R/W-0
RD16
Timer1 is the clock source for compare/capture of CCP1
T3ECCP1 T3CKPS1 T3CKPS0
R/W-0
OSC
/4)
R/W-0
W = Writable bit
‘1’ = Bit is set
R/W-0
Figure 14-1 is a simplified block diagram of the Timer3
module.
Register 14-1 shows the Timer3 Control register. This
register controls the operating mode of the Timer3
module and sets the CCP1 and ECCP1 clock source.
Register 12-1 shows the Timer1 Control register. This
register controls the operating mode of the Timer1
module, as well as contains the Timer1 Oscillator
Enable bit (T1OSCEN) which can be a clock source for
Timer3.
Note:
T3CCP1
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-0
Timer3 is disabled on POR.
T3SYNC
R/W-0
PIC18FXX8
x = Bit is unknown
TMR3CS
R/W-0
DS41159E-page 119
TMR3ON
R/W-0
bit 0
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