PIC16F887-E/P Microchip Technology, PIC16F887-E/P Datasheet - Page 143
PIC16F887-E/P
Manufacturer Part Number
PIC16F887-E/P
Description
IC PIC MCU FLASH 8KX14 40DIP
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 PIC16F887-E/P
Core Size
8-Bit
Program Memory Size
14KB (8K x 14)
Mfg Application Notes
Intro to Capacitive Sensing Appl Notes Layout and Physical Design Appl Note
Core Processor
PIC
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
35
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
368 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 14x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
40-DIP (0.600", 15.24mm)
Controller Family/series
PIC16F
No. Of I/o's
35
Eeprom Memory Size
256Byte
Ram Memory Size
368Byte
Cpu Speed
20MHz
No. Of Timers
3
Package
40PDIP
Device Core
PIC
Family Name
PIC16
Maximum Speed
20 MHz
Operating Supply Voltage
2.5|3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
35
Interface Type
I2C/SPI/USART
On-chip Adc
14-chx10-bit
Number Of Timers
3
Processor Series
PIC16F
Core
PIC
Data Ram Size
368 B
Maximum Clock Frequency
20 MHz
Maximum Operating Temperature
+ 125 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 53273-916
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM164123, DM164120-3, DV164122
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DVA18XP400 - DEVICE ADAPTER 18F4220 PDIP 40LD
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F887-E/P
Manufacturer:
TI
Quantity:
12 000
Company:
Part Number:
PIC16F887-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- 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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