PIC18F45J50-I/PT Microchip Technology, PIC18F45J50-I/PT Datasheet - Page 423
![IC PIC MCU FLASH 32K 2V 44-TQFP](/photos/6/82/68251/c04-076_pt_sml.jpg)
PIC18F45J50-I/PT
Manufacturer Part Number
PIC18F45J50-I/PT
Description
IC PIC MCU FLASH 32K 2V 44-TQFP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.PIC18LF24J50-ISS.pdf
(554 pages)
2.PIC18LF24J50-ISS.pdf
(12 pages)
3.PIC18F26J11-ISO.pdf
(28 pages)
Specifications of PIC18F45J50-I/PT
Program Memory Type
FLASH
Program Memory Size
32KB (16K x 16)
Package / Case
44-TQFP, 44-VQFP
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
34
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
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
EUSART, I2C, SPI
Maximum Clock Frequency
48 MHz
Number Of Timers
5
Operating Supply Voltage
2.25 V to 2.75 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, DM183032, MA180024, DM183022
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 13 Channel
Controller Family/series
PIC18
No. Of I/o's
22
Ram Memory Size
3776Byte
Cpu Speed
48MHz
No. Of Timers
5
Embedded Interface Type
EUSART, I2C, SPI
Rohs Compliant
Yes
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
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F45J50-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- Current page: 423 of 554
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26.2
PIC18F46J50 Family devices have both a conventional
WDT circuit and a dedicated, Deep Sleep capable
Watchdog Timer. When enabled, the conventional
WDT operates in normal Run, Idle and Sleep modes.
This data sheet section describes the conventional
WDT circuit.
The dedicated, Deep Sleep capable WDT can only be
enabled in Deep Sleep mode. This timer is described in
Section 3.6.4
(DSWDT)”.
The conventional WDT is driven by the INTRC oscilla-
tor. When the WDT is enabled, the clock source is also
enabled. The nominal WDT period is 4 ms and has the
same stability as the INTRC oscillator.
The 4 ms period of the WDT is multiplied by a 16-bit
postscaler. Any output of the WDT postscaler is
selected by a multiplexer, controlled by the WDTPS bits
in Configuration Register 2H. Available periods range
from about 4 ms to 135 seconds (2.25 minutes
depending
postscaler). The WDT and postscaler are cleared
FIGURE 26-1:
© 2009 Microchip Technology Inc.
All Device Resets
INTRC Oscillator
WDTPS<3:0>
Watchdog Timer (WDT)
SWDTEN
on
CLRWDT
Sleep
“Deep
voltage,
WDT BLOCK DIAGRAM
Sleep
temperature
Enable WDT
Watchdog
WDT Counter
÷128
and
INTRC Control
4
Timer
WDT
Programmable Postscaler
1:1 to 1:32,768
PIC18F46J50 FAMILY
whenever a SLEEP or CLRWDT instruction is executed,
or a clock failure (primary or Timer1 oscillator) has
occurred.
26.2.1
The WDTCON register (Register 26-11) is a readable
and writable register. The SWDTEN bit enables or dis-
ables WDT operation. This allows software to override
the WDTEN Configuration bit and enable the WDT only
if it has been disabled by the Configuration bit.
LVDSTAT is a read-only status bit that is continuously
updated and provides information about the current
level of V
voltage regulator is enabled.
Note 1: The CLRWDT and SLEEP instructions
2: When a CLRWDT instruction is executed,
DDCORE
WDT
CONTROL REGISTER
clear the WDT and postscaler counts
when executed.
the postscaler count will be cleared.
Reset
. This bit is only valid when the on-chip
DS39931C-page 423
Wake-up from
Power-Managed
Modes
WDT
Reset
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