PIC18F24J11-I/SP Microchip Technology, PIC18F24J11-I/SP Datasheet - Page 236
![IC PIC MCU FLASH 16KB 28-DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC18F24J11-I/SP
Manufacturer Part Number
PIC18F24J11-I/SP
Description
IC PIC MCU FLASH 16KB 28-DIP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.MA180023.pdf
(528 pages)
2.PIC18LF24J10-ISS.pdf
(32 pages)
3.PIC18F24J11-ISS.pdf
(14 pages)
Specifications of PIC18F24J11-I/SP
Core Size
8-Bit
Program Memory Size
16KB (8K x 16)
Core Processor
PIC
Speed
48MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Type
FLASH
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
2.15 V ~ 3.6 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.300", 7.62mm)
Controller Family/series
PIC18
No. Of I/o's
16
Ram Memory Size
3.6875KB
Cpu Speed
48MHz
No. Of Timers
5
Interface
EUSART, I2C, SPI
Embedded Interface Type
EUSART, I2C, SPI
Rohs Compliant
Yes
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
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, DM183032, DM183022, DM183033, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 10 Channel
Package
28SPDIP
Device Core
PIC
Family Name
PIC18
Maximum Speed
48 MHz
Operating Supply Voltage
2.5|3.3 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC162067 - HEADER INTRFC MPLAB ICD2 40/28PAC164329 - MODULE SKT FOR 40DIP 18F45J10
Eeprom Size
-
Lead Free Status / Rohs Status
Details
- Current page: 236 of 528
- Download datasheet (8Mb)
PIC18F46J11 FAMILY
TABLE 16-3:
The Alarm Value register window (ALRMVALH and
ALRMVALL) uses the ALRMPTR bits (ALRMCFG<1:0>)
to select the desired Alarm register pair.
By reading or writing to the ALRMVALH register, the
Alarm Pointer value, ALRMPTR<1:0>, decrements
by 1 until it reaches ‘00’. Once it reaches ‘00’, the
ALRMMIN and ALRMSEC value will be accessible
through ALRMVALH and ALRMVALL until the pointer
value is manually changed.
TABLE 16-4:
16.2.9
The real-time crystal input can be calibrated using the
periodic auto-adjust feature. When properly calibrated,
the RTCC can provide an error of less than three
seconds per month.
To perform this calibration, find the number of error
clock pulses and store the value in the lower half of the
RTCCAL register. The 8-bit, signed value – loaded into
RTCCAL – is multiplied by ‘4’ and will either be added
or subtracted from the RTCC timer, once every minute.
DS39932C-page 236
RTCPTR<1:0>
ALRMPTR<1:0>
00
01
10
11
00
01
10
11
CALIBRATION
RTCVALH<15:8> RTCVALL<7:0>
RTCVALH AND RTCVALL
REGISTER MAPPING
ALRMVAL REGISTER
MAPPING
ALRMVALH<15:8> ALRMVALL<7:0>
RTCC Value Register Window
WEEKDAY
MINUTES
ALRMMNTH
MONTH
Alarm Value Register Window
ALRMMIN
ALRMWD
—
—
SECONDS
HOURS
ALRMSEC
ALRMDAY
ALRMHR
YEAR
DAY
—
To calibrate the RTCC module:
1.
2.
EQUATION 16-1:
3.
Writes to the RTCCAL register should occur only when
the timer is turned off, or immediately after the rising
edge of the seconds pulse.
Note:
(Ideal Frequency (32,758) – Measured Frequency) *
60 = Error Clocks per Minute
Use another timer resource on the device to find
the error of the 32.768 kHz crystal.
Convert the number of error clock pulses per
minute (see Equation 16-1).
• If the oscillator is faster than ideal (negative
• If the oscillator is slower than ideal (positive
Load the RTCCAL register with the correct
value.
result from step 2), the RTCCALL register value
needs to be negative. This causes the specified
number of clock pulses to be subtracted from
the timer counter once every minute.
result from step 2), the RTCCALL register value
needs to be positive. This causes the specified
number of clock pulses to be added to the timer
counter once every minute.
In determining the crystal’s error value, it
is the user’s responsibility to include the
crystal’s initial error from drift due to
temperature or crystal aging.
CONVERTING ERROR
CLOCK PULSES
© 2009 Microchip Technology Inc.
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