PIC18F45J11-I/ML Microchip Technology, PIC18F45J11-I/ML Datasheet - Page 234
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PIC18F45J11-I/ML
Manufacturer Part Number
PIC18F45J11-I/ML
Description
IC PIC MCU FLASH 32K 2V 44-QFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Specifications of PIC18F45J11-I/ML
Core Size
8-Bit
Program Memory Size
32KB (16K x 16)
Core Processor
PIC
Speed
48MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
34
Program Memory Type
FLASH
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
2.15 V ~ 3.6 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-QFN
Controller Family/series
PIC18
No. Of I/o's
22
Ram Memory Size
3.6875KB
Cpu Speed
48MHz
No. Of Timers
5
No. Of Pwm Channels
2
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3776 B
Interface Type
EUSART, I2C, SPI
Maximum Clock Frequency
48 MHz
Number Of Timers
5
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, DM163022, DM183032, MA180023
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 13 Channel
A/d Bit Size
10 bit
A/d Channels Available
13
Height
0.88 mm
Length
8 mm
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.15 V
Width
8 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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- Download datasheet (8Mb)
PIC18F46J11 FAMILY
16.2.2
As mentioned earlier, the RTCC module is intended to
be clocked by an external Real-Time Clock crystal
oscillating at 32.768 kHz, but also can be clocked by
the internal RC oscillator. The RTCC clock selection is
decided by the RTCOSC bit (CONFIG3L<1>).
FIGURE 16-4:
16.2.2.1
The RTCC module can be clocked by an external,
32.768 kHz crystal (Timer1 oscillator) or the internal RC
oscillator, which can be selected in CONFIG3L<1>.
If the external clock is used, the Timer1 oscillator
should be enabled by setting T1CON<3> (T1OSCEN).
If INTRC is providing the clock, the INTRC clock can be
brought out to the RTCC pin by the RTSECSEL<1:0>
bits in the PADCFG register.
16.2.3
This section explains which timer values are affected
when there is a rollover.
• Time of Day: From 23:59:59 to 00:00:00 with a
• Month: From 12/31 to 01/01 with a carry to the
• Day of Week: From 6 to 0 with no carry (see
• Year Carry: From 99 to 00; this also surpasses the
DS39932C-page 234
32.768 kHz XTAL
from T1OSC
Internal RC
CONFIG 3L<1>
carry to the Day field
Year field
Table 16-1)
use of the RTCC
Note 1:
CLOCK SOURCE
DIGIT CARRY RULES
Writing to the lower half of the MINSEC register resets all counters, allowing fraction of a second synchronization;
the clock prescaler is held in Reset when RTCEN =
Real-Time Clock Enable
CLOCK SOURCE MULTIPLEXING
Second
Clock Prescaler
Hour:Minute
1:16384
(1)
0
.
Day of Week
module to yield an error of 3 seconds or less per month.
Calibration of the crystal can be done through this
(For further details, see Section 16.2.9 “Calibration”.)
For the day to month rollover schedule, see Table 16-2.
Considering that the following values are in BCD
format, the carry to the upper BCD digit will occur at a
count of 10 and not at 16 (SECONDS, MINUTES,
HOURS, WEEKDAY, DAYS and MONTHS).
TABLE 16-1:
Half-Second
Clock
Day
Wednesday
Thursday
Saturday
Tuesday
Monday
Sunday
Friday
Half Second
DAY OF WEEK SCHEDULE
Day of Week
Month
© 2009 Microchip Technology Inc.
(1)
One-Second Clock
Year
0
1
2
3
4
5
6
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