PIC16F887-E/ML Microchip Technology, PIC16F887-E/ML Datasheet - Page 102
![IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LLCC,44PIN,PLASTIC](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC16F887-E/ML
Manufacturer Part Number
PIC16F887-E/ML
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LLCC,44PIN,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 PIC16F887-E/ML
Rohs Compliant
YES
Mfg Application Notes
Intro to Capacitive Sensing Appl Notes Layout and Physical Design Appl Note
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
35
Program Memory Size
14KB (8K x 14)
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
44-QFN
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: 102 of 328
- Download datasheet (6Mb)
PIC16F882/883/884/886/887
9.1
When configuring and using the ADC the following
functions must be considered:
• Port configuration
• Channel selection
• ADC voltage reference selection
• ADC conversion clock source
• Interrupt control
• Results formatting
9.1.1
The ADC can be used to convert both analog and digital
signals. When converting analog signals, the I/O pin
should be configured for analog by setting the associated
TRIS and ANSEL bits. See the corresponding Port
section for more information.
9.1.2
The CHS bits of the ADCON0 register determine which
channel is connected to the sample and hold circuit.
When changing channels, a delay is required before
starting the next conversion. Refer to Section 9.2
“ADC Operation” for more information.
DS41291F-page 100
Note:
ADC Configuration
PORT CONFIGURATION
Analog voltages on any pin that is defined
as a digital input may cause the input
buffer to conduct excess current.
CHANNEL SELECTION
9.1.3
The VCFG bits of the ADCON0 register provide
independent control of the positive and negative
voltage references. The positive voltage reference can
be either V
the negative voltage reference can be either V
external voltage source.
9.1.4
The source of the conversion clock is software select-
able via the ADCS bits of the ADCON0 register. There
are four possible clock options:
• F
• F
• F
• F
The time to complete one bit conversion is defined as
T
as shown in Figure 9-2.
For correct conversion, the appropriate T
must be met. See A/D conversion requirements in
Section 17.0 “Electrical Specifications” for more
information. Table 9-1 gives examples of appropriate
ADC clock selections.
AD
Note:
OSC
OSC
OSC
RC
. One full 10-bit conversion requires 11 T
(dedicated internal oscillator)
/2
/8
/32
DD
ADC V
Unless using the F
system clock frequency will change the
ADC
adversely affect the ADC result.
CONVERSION CLOCK
or an external voltage source. Likewise,
clock
OLTAGE REFERENCE
© 2009 Microchip Technology Inc.
frequency,
RC
, any changes in the
AD
which
specification
AD
SS
periods
or an
may
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