PIC12F615-H/SN Microchip Technology, PIC12F615-H/SN Datasheet - Page 80
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PIC12F615-H/SN
Manufacturer Part Number
PIC12F615-H/SN
Description
1.75KB Flash, 64B RAM, 6 I/O, 8MHz Internal Oscillator 8 SOIC 3.90mm (.150") TUB
Manufacturer
Microchip Technology
Series
PIC® 12Fr
Specifications of PIC12F615-H/SN
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
5
Program Memory Size
1.75KB (1K x 14)
Program Memory Type
FLASH
Ram Size
64 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 150°C
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC12F615-H/SN
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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PIC12F609/615/617/12HV609/615
10.1
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
10.1.1
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.
10.1.2
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 10.2
“ADC Operation” for more information.
DS41302D-page 80
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
10.1.3
The VCFG bit of the ADCON0 register provides control
of the positive voltage reference. The positive voltage
reference can be either V
source. The negative voltage reference is always
connected to the ground reference.
10.1.4
The source of the conversion clock is software
selectable via the ADCS bits of the ANSEL register.
There are seven possible clock options:
• F
• F
• F
• F
• F
• F
• F
The time to complete one bit conversion is defined as
T
as shown in Figure 10-3.
For correct conversion, the appropriate T
must be met. See A/D conversion requirements in
Section 16.0 “Electrical Specifications” for more
information. Table 10-1 gives examples of appropriate
ADC clock selections.
AD
Note:
OSC
OSC
OSC
OSC
OSC
OSC
RC
. One full 10-bit conversion requires 11 T
(dedicated internal oscillator)
/2
/4
/8
/16
/32
/64
ADC V
Unless using the F
system clock frequency will change the
ADC
adversely affect the ADC result.
CONVERSION CLOCK
clock
OLTAGE REFERENCE
2010 Microchip Technology Inc.
DD
frequency,
RC
or an external voltage
, any changes in the
AD
which
specification
AD
periods
may
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