PIC18F4685-E/P Microchip Technology, PIC18F4685-E/P Datasheet - Page 41
![IC PIC MCU FLASH 48KX16 40DIP](/photos/6/61/66192/150-40-dip_sml.jpg)
PIC18F4685-E/P
Manufacturer Part Number
PIC18F4685-E/P
Description
IC PIC MCU FLASH 48KX16 40DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PCM18XT0.pdf
(484 pages)
2.PIC18F2221-ISO.pdf
(46 pages)
3.PIC18F2682-ISP.pdf
(6 pages)
4.PIC18F2682-ISP.pdf
(4 pages)
Specifications of PIC18F4685-E/P
Program Memory Type
FLASH
Program Memory Size
96KB (48K x 16)
Package / Case
40-DIP (0.600", 15.24mm)
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
36
Eeprom Size
1K x 8
Ram Size
3.25K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3.25 KB
Interface Type
EUSART/I2C/MSSP/SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
44
Number Of Timers
4
Maximum Operating Temperature
+ 125 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, ICE2000, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
11-ch x 10-bit
Package
40PDIP
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Operating Supply Voltage
5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
I3-DB18F4680 - BOARD DAUGHTER ICEPIC3DVA18XP400 - DEVICE ADAPTER 18F4220 PDIP 40LD
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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- PCM18XT0 PDF datasheet
- PIC18F2221-ISO PDF datasheet #2
- PIC18F2682-ISP PDF datasheet #3
- PIC18F2682-ISP PDF datasheet #4
- Current page: 41 of 484
- Download datasheet (9Mb)
3.4.3
In RC_IDLE mode, the CPU is disabled but the periph-
erals continue to be clocked from the internal oscillator
block using the INTOSC multiplexer. This mode allows
for controllable power conservation during Idle periods.
From RC_RUN, this mode is entered by setting the
IDLEN bit and executing a SLEEP instruction. If the
device is in another Run mode, first set IDLEN, then set
the SCS1 bit and execute SLEEP. Although its value is
ignored, it is recommended that SCS0 also be cleared;
this is to maintain software compatibility with future
devices. The INTOSC multiplexer may be used to
select a higher clock frequency, by modifying the IRCF
bits, before executing the SLEEP instruction. When the
clock source is switched to the INTOSC multiplexer, the
primary oscillator is shut down and the OSTS bit is
cleared.
If the IRCF bits are set to any non-zero value or the
INTSRC bit is set, the INTOSC output is enabled. The
IOFS bit becomes set, after the INTOSC output
becomes
(parameter 39, Table 27-10). Clocks to the peripherals
continue while the INTOSC source stabilizes. If the
IRCF bits were previously at a non-zero value, or
INTSRC was set before the SLEEP instruction was
executed and the INTOSC source was already stable,
the IOFS bit will remain set. If the IRCF bits and
INTSRC are all clear, the INTOSC output will not be
enabled, the IOFS bit will remain clear and there will be
no indication of the current clock source.
When a wake event occurs, the peripherals continue to
be clocked from the INTOSC multiplexer. After a delay
of T
executing code being clocked by the INTOSC multi-
plexer. The IDLEN and SCS bits are not affected by the
wake-up. The INTRC source will continue to run if
either the WDT or the Fail-Safe Clock Monitor is
enabled.
3.5
An exit from Sleep mode or any of the Idle modes is
triggered by an interrupt, a Reset or a WDT time-out.
This section discusses the triggers that cause exits
from power-managed modes. The clocking subsystem
actions are discussed in each of the power-managed
modes (see Section 3.2 “Run Modes”, Section 3.3
“Sleep Mode” and Section 3.4 “Idle Modes”).
3.5.1
Any of the available interrupt sources can cause the
device to exit from an Idle mode or the Sleep mode to
a Run mode. To enable this functionality, an interrupt
source must be enabled by setting its enable bit in one
of the INTCON or PIE registers. The exit sequence is
initiated when the corresponding interrupt flag bit is set.
© 2009 Microchip Technology Inc.
CSD
Exiting Idle and Sleep Modes
following the wake event, the CPU begins
stable,
EXIT BY INTERRUPT
RC_IDLE MODE
after
an
interval
of
PIC18F2682/2685/4682/4685
T
IOBST
On all exits from Idle or Sleep modes by interrupt, code
execution branches to the interrupt vector if the GIE/
GIEH bit (INTCON<7>) is set. Otherwise, code
execution continues or resumes without branching
(see Section 9.0 “Interrupts”).
A fixed delay of interval T
is required when leaving the Sleep and Idle modes.
This delay is required for the CPU to prepare for
execution. Instruction execution resumes on the first
clock cycle following this delay.
3.5.2
A WDT time-out will cause different actions depending
on which power-managed mode the device is in when
the time-out occurs.
If the device is not executing code (all Idle modes and
Sleep mode), the time-out will result in an exit from the
power-managed
Modes” and Section 3.3 “Sleep Mode”). If the device
is executing code (all Run modes), the time-out will
result in a WDT Reset (see Section 24.2 “Watchdog
Timer (WDT)”).
The WDT timer and postscaler are cleared by executing
a SLEEP or CLRWDT instruction, the loss of a currently
selected clock source (if the Fail-Safe Clock Monitor is
enabled) and modifying the IRCF bits in the OSCCON
register if the internal oscillator block is the device clock
source.
3.5.3
Normally, the device is held in Reset by the Oscillator
Start-up Timer (OST) until the primary clock becomes
ready. At that time, the OSTS bit is set and the device
begins executing code. If the internal oscillator block is
the new clock source, the IOFS bit is set instead.
The exit delay time from Reset to the start of code
execution depends on both the clock sources before
and after the wake-up and the type of oscillator if the
new clock source is the primary clock. Exit delays are
summarized in Table 3-2.
Code execution can begin before the primary clock
becomes ready. If either the Two-Speed Start-up (see
Section 24.3 “Two-Speed Start-up”) or Fail-Safe
Clock Monitor (see Section 24.4 “Fail-Safe Clock
Monitor”) is enabled, the device may begin execution
as soon as the Reset source has cleared. Execution is
clocked by the INTOSC multiplexer driven by the
internal oscillator block. Execution is clocked by the
internal oscillator block until either the primary clock
becomes ready or a power-managed mode is entered
before the primary clock becomes ready; the primary
clock is then shut down.
EXIT BY WDT TIME-OUT
EXIT BY RESET
mode
CSD
(see
following the wake event
Section 3.2
DS39761C-page 41
“Run
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