PIC18F67K90-I/MR Microchip Technology, PIC18F67K90-I/MR Datasheet - Page 233
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
PIC18F67K90-I/MR
Manufacturer Part Number
PIC18F67K90-I/MR
Description
128kB Flash, 4kB RAM, 1kB EE, NanoWatt XLP, LCD 64 QFN 9x9x0.9mm TUBE
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheet
1.PIC18F66K90-IMR.pdf
(570 pages)
Specifications of PIC18F67K90-I/MR
Core Processor
PIC
Core Size
8-Bit
Speed
64MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
128KB (64K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 16x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-VFQFN Exposed Pad
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F67K90-I/MR
Manufacturer:
MICROCHIP
Quantity:
3 000
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FIGURE 17-5:
When ALRMCFG = 00 and the CHIME bit = 0
(ALRMCFG<6>), the repeat function is disabled and
only a single alarm will occur. The alarm can be
repeated up to 255 times by loading the ALRMRPT
register with FFh.
After each alarm is issued, the ALRMRPT register is
decremented by one. Once the register has reached
‘00’, the alarm will be issued one last time.
After the alarm is issued a last time, the ALRMEN bit is
cleared automatically and the alarm is turned off. Indefi-
nite repetition of the alarm can occur if the CHIME bit = 1.
When CHIME = 1, the alarm is not disabled when the
ALRMRPT register reaches ‘00’, but it rolls over to FF
and continues counting indefinitely.
2009-2011 Microchip Technology Inc.
0000 – Every half second
0001 – Every second
0010 – Every 10 seconds
0011 – Every minute
0100 – Every 10 minutes
0101 – Every hour
0110 – Every day
0111 – Every week
1000 – Every month
1001 – Every year
Note 1:
Alarm Mask Setting
AMASK<3:0>
Annually, except when configured for February 29.
ALARM MASK SETTINGS
(1)
Day of the
Week
d
Month
m
m
PIC18F87K90 FAMILY
17.3.2
At every alarm event, an interrupt is generated.
Additionally, an alarm pulse output is provided that
operates at half the frequency of the alarm.
The alarm pulse output is completely synchronous with
the RTCC clock and can be used as a trigger clock to
other peripherals. This output is available on the RTCC
pin. The output pulse is a clock with a 50% duty cycle
and a frequency half that of the alarm event (see
Figure
The RTCC pin also can output the seconds clock. The
user can select between the alarm pulse, generated by
the RTCC module, or the seconds clock output.
The RTSECSEL<1:0> bits (PADCFG1<2:1>) select
between these two outputs:
• Alarm pulse – RTSECSEL<1:0> = 00
• Seconds clock – RTSECSEL<1:0> = 01
d
d
Day
17-6).
d
d
ALARM INTERRUPT
Hours
h
h
h
h
h
h
h
h
Minutes
m
m
m
m
m
m
m
m
m
m
m
DS39957D-page 233
Seconds
s
s
s
s
s
s
s
s
s
s
s
s
s
s
s
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