PIC18F2331-E/SP Microchip Technology, PIC18F2331-E/SP Datasheet - Page 43
![IC MCU FLASH 4KX16 28-DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC18F2331-E/SP
Manufacturer Part Number
PIC18F2331-E/SP
Description
IC MCU FLASH 4KX16 28-DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F818-ISO.pdf
(6 pages)
3.PIC18F2331-ISO.pdf
(392 pages)
4.PIC18F2331-ISO.pdf
(8 pages)
5.PIC18F2331-ISO.pdf
(6 pages)
6.PIC18F2331-ISO.pdf
(16 pages)
7.PIC18F4331-EP.pdf
(400 pages)
Specifications of PIC18F2331-E/SP
Core Size
8-Bit
Program Memory Size
8KB (4K x 16)
Core Processor
PIC
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
Number Of I /o
24
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-DIP (0.300", 7.62mm)
Controller Family/series
PIC18
No. Of I/o's
24
Eeprom Memory Size
256Byte
Ram Memory Size
768Byte
Cpu Speed
40MHz
No. Of Timers
4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
I3-DB18F4431 - BOARD DAUGHTER ICEPIC3AC164035 - MODULE SKT FOR 18F2X31 28SOICDVA18XP280 - DEVICE ADAPTER 18F2220 PDIP 28LD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC16F818-ISO PDF datasheet #2
- PIC18F2331-ISO PDF datasheet #3
- PIC18F2331-ISO PDF datasheet #4
- PIC18F2331-ISO PDF datasheet #5
- PIC18F2331-ISO PDF datasheet #6
- PIC18F4331-EP PDF datasheet #7
- Current page: 43 of 392
- Download datasheet (4Mb)
4.3
The power-managed Sleep mode in the PIC18F2331/
2431/4331/4431 devices is identical to the legacy
Sleep mode offered in all other PIC devices. It is
entered by clearing the IDLEN bit (the default state on
device Reset) and executing the SLEEP instruction.
This shuts down the selected oscillator
clock source status bits are cleared.
Entering the Sleep mode from any other mode does not
require a clock switch. This is because no clocks are
needed once the controller has entered Sleep. If the
WDT is selected, the INTRC source will continue to
operate. If the Timer1 oscillator is enabled, it will also
continue to run.
When a wake event occurs in Sleep mode (by interrupt,
Reset or WDT time-out), the device will not be clocked
until the clock source, selected by the SCS<1:0> bits,
becomes ready (see
from the internal oscillator block if either the Two-Speed
Start-up or the Fail-Safe Clock Monitor is enabled (see
Section 23.0 “Special Features of the
either case, the OSTS bit is set when the primary clock
is providing the device clocks. The IDLEN and SCS bits
are not affected by the wake-up.
FIGURE 4-5:
FIGURE 4-6:
2010 Microchip Technology Inc.
Peripheral
Program
Counter
OSC1
Clock
Clock
Sleep
CPU
Note1: T
CPU Clock
PLL Clock
Peripheral
Program
Sleep Mode
Counter
Output
OSC1
Clock
Q1
OST
Q2
PC
= 1024 T
Q3
Figure
Q4
Wake Event
TRANSITION TIMING FOR ENTRY TO SLEEP MODE
TRANSITION TIMING FOR WAKE FROM SLEEP (HSPLL)
OSC
Q1
; T
Q1
4-6), or it will be clocked
PLL
T
OST (1)
= 2 ms (approx). These intervals are not shown to scale.
(Figure
PC
T
CPU”). In
PLL
OSTS bit Set
PIC18F2331/2431/4331/4431
(1)
4-5). All
Q2 Q3 Q4 Q1 Q2
4.4
The Idle modes allow the controller’s CPU to be
selectively shut down while the peripherals continue to
operate. Selecting a particular Idle mode allows users
to further manage power consumption.
If the IDLEN bit is set to a ‘1’ when a SLEEP instruction is
executed, the peripherals will be clocked from the clock
source selected using the SCS<1:0> bits; however, the
CPU will not be clocked. The clock source status bits are
not affected. Setting IDLEN and executing a SLEEP
instruction provides a quick method of switching from a
given Run mode to its corresponding Idle mode.
If the WDT is selected, the INTRC source will continue
to operate. If the Timer1 oscillator is enabled, it will also
continue to run.
Since the CPU is not executing instructions, the only
exits from any of the Idle modes are by interrupt, WDT
time-out or a Reset. When a wake event occurs, CPU
execution is delayed by an interval of T
(Parameter 38,
execute code. When the CPU begins executing code,
it resumes with the same clock source for the current
Idle mode. For example, when waking from RC_IDLE
mode, the internal oscillator block will clock the CPU
and peripherals (in other words, RC_RUN mode). The
IDLEN and SCS bits are not affected by the wake-up.
While in any Idle mode or Sleep mode, a WDT time-
out will result in a WDT wake-up to the Run mode
currently specified by the SCS<1:0> bits.
PC + 2
PC + 2
Idle Modes
Q3 Q4 Q1 Q2
Table
PC + 4
26-8) while it becomes ready to
Q3 Q4
Q1 Q2 Q3 Q4
PC + 6
DS39616D-page 43
CSD
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