PIC18F24J11-I/SP Microchip Technology, PIC18F24J11-I/SP Datasheet - Page 200
![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: 200 of 528
- Download datasheet (8Mb)
output). It is enabled by setting the Timer1 Oscillator
continue to run during all power-managed modes. The
PIC18F46J11 FAMILY
12.4
Timer1 can be configured for 16-bit reads and writes.
When the RD16 control bit (T1CON<1>) is set, the
address for TMR1H is mapped to a buffer register for
the high byte of Timer1. A read from TMR1L loads the
contents of the high byte of Timer1 into the Timer1 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 Timer1 must also take place
through the TMR1H Buffer register. The Timer1 high
byte is updated with the contents of TMR1H when a
write occurs to TMR1L. This allows a user to write all
16 bits to both the high and low bytes of Timer1 at once.
The high byte of Timer1 is not directly readable or
writable in this mode. All reads and writes must take
place through the Timer1 High Byte Buffer register.
Writes to TMR1H do not clear the Timer1 prescaler.
The prescaler is only cleared on writes to TMR1L.
12.5
An on-chip crystal oscillator circuit is incorporated
between pins, T1OSI (input) and T1OSO (amplifier
Enable bit, T1OSCEN (T1CON<3>). The oscillator is a
low-power circuit rated for 32 kHz crystals. It will
circuit for a typical LP oscillator is depicted in
Figure 12-2. Table 12-2 provides the capacitor selection
for the Timer1 oscillator.
The user must provide a software time delay to ensure
proper start-up of the Timer1 oscillator.
FIGURE 12-2:
DS39932C-page 200
Note:
Timer1 16-Bit Read/Write Mode
Timer1 Oscillator
12 pF
12 pF
C1
C2
See the Notes with Table 12-2 for additional
information about capacitor selection.
32.768 kHz
XTAL
EXTERNAL COMPONENTS
FOR THE TIMER1 LP
OSCILLATOR
T1OSI
T1OSO
PIC18F46J11
TABLE 12-2:
The Timer1 crystal oscillator drive level is determined
based on the LPT1OSC (CONFIG2L<4>) Configura-
tion bit. The higher drive level mode, LPT1OSC = 1, is
intended to drive a wide variety of 32.768 kHz crystals
with a variety of load capacitance (CL) ratings.
The lower drive level mode is highly optimized for
extremely low-power consumption. It is not intended to
drive all types of 32.768 kHz crystals. In the low drive
level mode, the crystal oscillator circuit may not work if
excessively large discrete capacitors are placed on the
T1OSI and T1OSO pins. This mode is only designed to
work with discrete capacitances of approximately
3 pF-10 pF on each pin.
Crystal manufacturers usually specify a CL (load
capacitance) rating for their crystals. This value is
related to, but not necessarily the same as, the values
that should be used for C1 and C2 in Figure 12-2. See
the crystal manufacturer’s applications’ information for
more details on how to select the optimum C1 and C2
for a given crystal. The optimum value depends in part
on the amount of parasitic capacitance in the circuit,
which is often unknown. Therefore, after values have
been selected, it is highly recommended that thorough
testing and validation of the oscillator be performed.
Oscillator
Note 1: Microchip suggests these values as a
Type
LP
2: Higher capacitance increases the stability
3: Since each resonator/crystal has its own
4: Capacitor
5: Incorrect capacitance value may result in
starting point in validating the oscillator
circuit.
of the oscillator but also increases the
start-up time.
characteristics, the user should consult
the resonator/crystal manufacturer for
appropriate
components.
guidance only. Values listed would be
typical of a CL = 10 pF rated crystal,
when LPT1OSC = 1.
a frequency not meeting the crystal
manufacturer’s tolerance specification.
32 kHz
Freq.
CAPACITOR SELECTION FOR
THE TIMER
OSCILLATOR
© 2009 Microchip Technology Inc.
values
values
12 pF
C1
(2,3,4,5)
are
(1)
of
for
12 pF
external
C2
design
(1)
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