PIC18F24K20-I/ML Microchip Technology, PIC18F24K20-I/ML Datasheet - Page 171
![IC PIC MCU FLASH 8KX16 28QFN](/photos/6/81/68120/150-28-qfn_sml.jpg)
PIC18F24K20-I/ML
Manufacturer Part Number
PIC18F24K20-I/ML
Description
IC PIC MCU FLASH 8KX16 28QFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.PIC18F25K20T-ISS.pdf
(42 pages)
2.PIC18F25K20T-ISS.pdf
(12 pages)
3.PIC18F25K20T-ISS.pdf
(14 pages)
4.PIC18F25K20T-ISS.pdf
(456 pages)
5.PIC18F26K20-ISO.pdf
(430 pages)
Specifications of PIC18F24K20-I/ML
Program Memory Type
FLASH
Program Memory Size
16KB (8K x 16)
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Core Processor
PIC
Core Size
8-Bit
Speed
64MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
24
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
CCP/ECCP/EUSART/I2C/MSSP/SPI
Maximum Clock Frequency
64 MHz
Number Of Programmable I/os
25
Number Of Timers
4
Operating Supply Voltage
3 V
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
Minimum Operating Temperature
- 40 C
On-chip Adc
11-ch x 10-bit
Package
28QFN EP
Device Core
PIC
Family Name
PIC18
Maximum Speed
64 MHz
Height
0.88 mm
Length
6 mm
Supply Voltage (max)
3.6 V
Supply Voltage (min)
1.8 V
Width
6 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
- PIC18F25K20T-ISS PDF datasheet
- PIC18F25K20T-ISS PDF datasheet #2
- PIC18F25K20T-ISS PDF datasheet #3
- PIC18F25K20T-ISS PDF datasheet #4
- PIC18F26K20-ISO PDF datasheet #5
- Current page: 171 of 456
- Download datasheet (4Mb)
FIGURE 15-2:
15.2
Timer3 can be configured for 16-bit reads and writes
(see Figure 15-2). When the RD16 control bit of the
T3CON register 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 regis-
ter. 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.
2010 Microchip Technology Inc.
T13CKI/T1OSO
Note 1: When enable bit, T1OSCEN, is cleared, the inverter and feedback resistor are turned off to eliminate power drain.
Timer3 16-Bit Read/Write Mode
T1OSI
CCP1/CCP2 Select from T3CON<6,3>
CCP1/CCP2 Special Event Trigger
Timer1 Oscillator
T1OSCEN
T3CKPS<1:0>
T3SYNC
TMR3ON
TIMER3 BLOCK DIAGRAM (16-BIT READ/WRITE MODE)
(1)
TMR3CS
Clock
F
Internal
OSC
/4
1
0
Timer1 Clock Input
Clear TMR3
Prescaler
1, 2, 4, 8
15.3
The Timer1 internal oscillator may be used as the clock
source for Timer3. The Timer1 oscillator is enabled by
setting the T1OSCEN bit of the T1CON register. 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 Section 13.0
“Timer1 Module”.
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 of the PIR2
register. This interrupt can be enabled or disabled by
setting or clearing the Timer3 Interrupt Enable bit,
TMR3IE of the PIE2 register.
PIC18F2XK20/4XK20
2
Using the Timer1 Oscillator as the
Timer3 Clock Source
Timer3 Interrupt
TMR3L
8
Sleep Input
8
Synchronize
Detect
High Byte
TMR3H
TMR3
8
8
8
Internal Data Bus
1
0
Read TMR1L
Write TMR1L
DS41303G-page 171
on Overflow
TMR3IF
Set
Timer3
On/Off
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