PIC18LF6310T-I/PT Microchip Technology, PIC18LF6310T-I/PT Datasheet - Page 165
![IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,TQFP,64PIN,PLASTIC](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC18LF6310T-I/PT
Manufacturer Part Number
PIC18LF6310T-I/PT
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,TQFP,64PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Specifications of PIC18LF6310T-I/PT
Rohs Compliant
YES
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
54
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TFQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18LF6310T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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15.2
Timer3 can be configured for 16-bit reads and writes
(see
(T3CON<7>) is set, the address for TMR3H is mapped
to a buffer register for the high byte of Timer3. A read
from TMR3L will load the contents of the high byte of
Timer3 into the Timer3 High Byte Buffer register. This
provides the user with the ability to accurately read all
16 bits of Timer1 without having to determine whether
a read of the high byte, followed by a read of the low
byte, has become invalid due to a rollover between
reads.
A write to the high byte of Timer3 must also take place
through the TMR3H Buffer register. The Timer3 high
byte is updated with the contents of TMR3H when a
write occurs to TMR3L. This allows a user to write all
16 bits to both the high and low bytes of Timer3 at once.
The high byte of Timer3 is not directly readable or
writable in this mode. All reads and writes must take
place through the Timer3 High Byte Buffer register.
Writes to TMR3H do not clear the Timer3 prescaler.
The prescaler is only cleared on writes to TMR3L.
15.3
The Timer1 internal oscillator may be used as the clock
source for Timer3. The Timer1 oscillator is enabled by
setting the T1OSCEN (T1CON<3>) bit. To use it as the
Timer3 clock source, the TMR3CS bit must also be set.
As previously noted, this also configures Timer3 to
increment on every rising edge of the oscillator source.
The Timer1 oscillator is described in
“Timer1
TABLE 15-1:
2010 Microchip Technology Inc.
INTCON
PIR2
PIE2
IPR2
TMR3L
TMR3H
T1CON
T3CON
Legend: — = unimplemented, read as ‘0’. Shaded cells are not used by the Timer3 module.
Name
Figure
Timer3 16-Bit Read/Write Mode
Using the Timer1 Oscillator as the
Timer3 Clock Source
Module”.
Holding Register for the Least Significant Byte of the 16-Bit TMR3 Register
Holding Register for the Most Significant Byte of the 16-Bit TMR3 Register
GIE/GIEH PEIE/GIEL TMR0IE
15-2). When the RD16 control bit
OSCFIF
OSCFIE
OSCFIP
RD16
RD16
Bit 7
REGISTERS ASSOCIATED WITH TIMER3 AS A TIMER/COUNTER
T3CCP2
T1RUN
CMIF
CMIE
CMIP
Bit 6
T1CKPS1 T1CKPS0 T1OSCEN T1SYNC
T3CKPS1 T3CKPS0 T3CCP1
Bit 5
Section 13.0
—
—
—
PIC18F6310/6410/8310/8410
INT0IE
Bit 4
—
—
—
BCLIE
BCLIP
BCLIF
RBIE
15.4
The TMR3 register pair (TMR3H:TMR3L) increments
from 0000h to FFFFh and overflows to 0000h. The
Timer3 interrupt, if enabled, is generated on overflow
and is latched in interrupt flag bit, TMR3IF (PIR2<1>).
This interrupt can be enabled or disabled by setting or
clearing the Timer3 Interrupt Enable bit, TMR3IE
(PIE2<1>).
15.5
If either the CCP1 or CCP2 modules is configured to
generate a Special Event Trigger in Compare mode
(CCP1M<3:0> or CCP2M<3:0> = 1011), this signal will
reset Timer3. The trigger of CCP2 will also start an A/D
conversion if the A/D module is enabled (see
Section 16.3.4 “Special Event Triggers”
information).
The module must be configured as either a timer or
synchronous counter to take advantage of this feature.
When used this way, the CCPR2H:CCPR2L register
pair effectively becomes a period register for Timer3.
If Timer3 is running in Asynchronous Counter mode,
the Reset operation may not work.
In the event that a write to Timer3 coincides with a
Special Event Trigger from a CCP module, the write will
take precedence.
Bit 3
Note:
Timer3 Interrupt
Resetting Timer3 Using the CCP
Special Event Trigger
T3SYNC
TMR0IF
HLVDIE
HLVDIP
HLVDIF
Bit 2
The special event triggers from the CCP2
module will not set the TMR3IF interrupt
flag bit (PIR1<0>).
TMR1CS TMR1ON
TMR3CS TMR3ON
TMR3IE
TMR3IP
TMR3IF
INT0IF
Bit 1
CCP2IE
CCP2IP
CCP2IF
RBIF
Bit 0
DS39635C-page 165
on Page
for more
Values
Reset
63
65
65
65
65
65
64
65
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