PIC16F882-E/SS Microchip Technology, PIC16F882-E/SS Datasheet - Page 143
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
PIC16F882-E/SS
Manufacturer Part Number
PIC16F882-E/SS
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SSOP,28PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.MCP1631RD-MCC2.pdf
(328 pages)
3.PIC16F882-ISS.pdf
(16 pages)
4.PIC16F882-ISS.pdf
(36 pages)
Specifications of PIC16F882-E/SS
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- MCP1631RD-MCC2 PDF datasheet #2
- PIC16F882-ISS PDF datasheet #3
- PIC16F882-ISS PDF datasheet #4
- Current page: 143 of 328
- Download datasheet (6Mb)
11.6.4
The PWM mode supports an Auto-Shutdown mode that
will disable the PWM outputs when an external
shutdown event occurs. Auto-Shutdown mode places
the PWM output pins into a predetermined state. This
mode is used to help prevent the PWM from damaging
the application.
The auto-shutdown sources are selected using the
ECCPAS<2:0> bits of the ECCPAS register. A shutdown
event may be generated by:
• A logic ‘0’ on the INT pin
• Comparator C1
• Comparator C2
• Setting the ECCPASE bit in firmware
FIGURE 11-14:
© 2009 Microchip Technology Inc.
From Comparator C2
From Comparator C1
INT
ENHANCED PWM AUTO-
SHUTDOWN MODE
ECCPAS<2:0>
AUTO-SHUTDOWN BLOCK DIAGRAM
111
110
101
100
011
010
001
000
From Data Bus
Write to ECCPASE
PRSEN
PIC16F882/883/884/886/887
R
D
Q
S
A shutdown condition is indicated by the ECCPASE
(Auto-Shutdown Event Status) bit of the ECCPAS
register. If the bit is a ‘0’, the PWM pins are operating
normally. If the bit is a ‘1’, the PWM outputs are in the
shutdown state.
When a shutdown event occurs, two things happen:
The ECCPASE bit is set to ‘1’. The ECCPASE will
remain set until cleared in firmware or an auto-restart
occurs (see Section 11.6.5 “Auto-Restart Mode”).
The enabled PWM pins are asynchronously placed in
their shutdown states. The PWM output pins are
grouped into pairs [P1A/P1C] and [P1B/P1D]. The state
of each pin pair is determined by the PSSAC and
PSSBD bits of the ECCPAS register. Each pin pair may
be placed into one of three states:
• Drive logic ‘1’
• Drive logic ‘0’
• Tri-state (high-impedance)
ECCPASE
PSSAC<1>
PSSAC<1>
PSSBD<1>
PSSBD<1>
PSSAC<0>
P1A_DRV
PSSAC<0>
P1C_DRV
PSSBD<0>
P1B_DRV
PSSBD<0>
P1D_DRV
TRISx
TRISx
TRISx
TRISx
1
0
1
0
1
0
1
0
DS41291F-page 141
P1A
P1C
P1B
P1D
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