PIC18F23K20-E/MV Microchip Technology, PIC18F23K20-E/MV Datasheet - Page 184
![8 KB Enh Flash, 768 RAM, 25 I/O Pb Free, Nanowatt XLP 28 UQFN 4x4x0.5mm TUBE](/photos/12/13/121305/c04-152_mv_sml.jpg)
PIC18F23K20-E/MV
Manufacturer Part Number
PIC18F23K20-E/MV
Description
8 KB Enh Flash, 768 RAM, 25 I/O Pb Free, Nanowatt XLP 28 UQFN 4x4x0.5mm TUBE
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Specifications of PIC18F23K20-E/MV
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-UFQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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PIC18F2XK20/4XK20
FIGURE 16-10:
16.4.5
The Enhanced PWM can be configured to automati-
cally restart the PWM signal once the auto-shutdown
condition has been removed. Auto-restart is enabled by
setting the PRSEN bit in the PWM1CON register.
If auto-restart is enabled, the ECCPASE bit will remain
set as long as the auto-shutdown condition is active.
When the auto-shutdown condition is removed, the
ECCPASE bit will be cleared via hardware and normal
operation will resume.
FIGURE 16-11:
DS41303G-page 184
Note 1: The
Shutdown
Shutdown
2: Writing to the ECCPASE bit is disabled
3: Once the auto-shutdown condition has
ECCPASE bit
PWM
ECCPASE bit
PWM
AUTO-RESTART MODE
level-based signal, not an edge-based
signal. As long as the level is present, the
auto-shutdown will persist.
while
persists.
been removed and the PWM restarted
(either through firmware or auto-restart)
the PWM signal will always restart at the
beginning of the next PWM period.
Activity
Activity
Event
Event
auto-shutdown
an
PWM Period
PWM Period
PWM AUTO-SHUTDOWN WITH FIRMWARE RESTART (PRSEN = 0)
PWM AUTO-SHUTDOWN WITH AUTO-RESTART ENABLED (PRSEN = 1)
Start of
Start of
auto-shutdown
condition
Normal PWM
Normal PWM
condition
is
a
Event Occurs
Event Occurs
PWM Period
PWM Period
Shutdown
Shutdown
Event Clears
Event Clears
Shutdown
Shutdown
Cleared by
ECCPASE
Firmware
2010 Microchip Technology Inc.
Resumes
Resumes
PWM
PWM
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