PIC18F45J10-E/ML Microchip Technology, PIC18F45J10-E/ML Datasheet - Page 244
![IC PIC MCU FLASH 16KX16 44QFN](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC18F45J10-E/ML
Manufacturer Part Number
PIC18F45J10-E/ML
Description
IC PIC MCU FLASH 16KX16 44QFN
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F24J10-ISO.pdf
(368 pages)
3.PIC18F24J10-ISO.pdf
(6 pages)
4.PIC18F24J10-ISO.pdf
(6 pages)
5.PIC18F24J10-ISO.pdf
(12 pages)
6.PIC18LF24J10-ISS.pdf
(32 pages)
Specifications of PIC18F45J10-E/ML
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
44-QFN
For Use With
AC164336 - MODULE SOCKET FOR PM3 28/44QFNAC162074 - HEADER INTRFC MPLAB ICD2 44TQFPMA180013 - MODULE PLUG-IN 18F45J10 44TQFPAC162067 - HEADER INTRFC MPLAB ICD2 40/28P
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
- PIC16F616T-ISL PDF datasheet
- PIC18F24J10-ISO PDF datasheet #2
- PIC18F24J10-ISO PDF datasheet #3
- PIC18F24J10-ISO PDF datasheet #4
- PIC18F24J10-ISO PDF datasheet #5
- PIC18LF24J10-ISS PDF datasheet #6
- Current page: 244 of 368
- Download datasheet (6Mb)
PIC18F45J10 FAMILY
21.2
For PIC18F45J10 family devices, the WDT is driven by
the INTRC oscillator. 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 multiplexor, controlled by the WDTPS bits in Config-
uration Register 2H. Available periods range from about
4 ms to 135 seconds (2.25 minutes) depending on volt-
age, temperature and Watchdog postscaler. The WDT
and postscaler are cleared whenever a SLEEP or
CLRWDT instruction is executed, or a clock failure
(primary or Timer1 oscillator) has occurred.
FIGURE 21-1:
REGISTER 21-9:
TABLE 21-2:
DS39682E-page 242
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-1
bit 0
Note 1:
RCON
WDTCON
Legend: — = unimplemented, read as ‘0’. Shaded cells are not used by the Watchdog Timer.
Name
All Device Resets
u-0
INTRC Oscillator
—
WDTPS<3:0>
Watchdog Timer (WDT)
This bit has no effect if the Configuration bit, WDTEN, is enabled.
SWDTEN
CLRWDT
Unimplemented: Read as ‘0’
SWDTEN: Software Controlled Watchdog Timer Enable bit
1 = Watchdog Timer is on
0 = Watchdog Timer is off
Sleep
IPEN
Bit 7
SUMMARY OF WATCHDOG TIMER REGISTERS
—
U-0
—
WDT BLOCK DIAGRAM
WDTCON: WATCHDOG TIMER CONTROL REGISTER
Bit 6
Enable WDT
—
—
W = Writable bit
‘1’ = Bit is set
U-0
—
WDT Counter
Bit 5
CM
—
÷128
INTRC Control
4
U-0
Bit 4
—
Programmable Postscaler
RI
—
1:1 to 1:32,768
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
Bit 3
TO
—
21.2.1
The WDTCON register (Register 21-9) is a readable
and writable register. The SWDTEN bit enables or
disables WDT operation.
U-0
—
Note 1: The CLRWDT and SLEEP instructions
2: When a CLRWDT instruction is executed,
Bit 2
PD
WDT
—
(1)
CONTROL REGISTER
clear the WDT and postscaler counts
when executed.
the postscaler count will be cleared.
Reset
U-0
—
Bit 1
POR
—
© 2009 Microchip Technology Inc.
x = Bit is unknown
SWDTEN
U-0
Bit 0
BOR
—
Wake-up from
Power-Managed
Modes
WDT
Reset
Reset Values
SWDTEN
on page
R/W-0
48
48
bit 0
(1)
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