PIC32MX795F512L-80I/PT Microchip Technology Inc., PIC32MX795F512L-80I/PT Datasheet - Page 149

• Manufacturer Part Number: PIC32MX795F512L-80I/PT
• Description: 512KB Flash, 128KB RAM, 80 MHz, USB, ENET, 2xCAN, 8 DMA
• Manufacturer: Microchip Technology Inc.

Specifications of PIC32MX795F512L-80I/PT

• A/d Inputs: 16-Channel, 10-Bit
• Comparators: 2
• Eeprom Memory: 0 Bytes
• Input Output: 85
• Interface: CAN/I2C/SPI/UART/USB
• Memory Type: Flash
• Number Of Bits: 32
• Package Type: 100-pin TQFP
• Programmable Memory: 512K Bytes
• Ram Size: 128K Bytes
• Speed: 80 MHz
• Temperature Range: –40 to +85 °C
• Timers: 5-16-bit
• Voltage, Range: 2.3-3.6 V

22.0
The PIC32MX5XX/6XX/7XX 10-bit Analog-to-Digital
(A/D) Converter includes the following features:
• Successive Approximation Register (SAR)
• Up to 1 Msps conversion speed
• Up to 16 analog input pins
• External voltage reference input pins
FIGURE 22-1:
© 2010 Microchip Technology Inc.
conversion
Note 1: This data sheet summarizes the features
Note
CH0SA<4:0>
2: Some registers and associated bits
10-BIT ANALOG-TO-DIGITAL
CONVERTER (ADC)
Channel
Scan
of the PIC32MX5XX/6XX/7XX family of
devices. It is not intended to be a
comprehensive reference source. To
complement the information in this data
sheet, refer to Section 17. “10-bit
Analog-to-Digital Converter (ADC)”
(DS61104)
Reference Manual” , which is available
from
(www.microchip.com/PIC32).
described in this section may not be
available on all devices. Refer to
Section 4.0 “Memory Organization”
this data sheet for device-specific register
and bit information.
1:
V
REFL
AN1
V
AN15
REF
AN0
CSCNA
CH0NA CH0NB
+ and V
the
ADC1 MODULE BLOCK DIAGRAM
CH0SB<4:0>
in
REF
Microchip
- inputs can be multiplexed with other analog inputs.
the
Input Selection
Alternate
“PIC32
web
+
-
Family
site
in
S/H
• One unipolar, differential Sample and Hold
• Automatic Channel Scan mode
• Selectable conversion trigger source
• 16-word conversion result buffer
• Selectable buffer fill modes
• Eight conversion result format options
• Operation during CPU Sleep and Idle modes
A block diagram of the 10-bit ADC is illustrated in
Figure
pins, designated AN0-AN15. In addition, there are two
analog input pins for external voltage reference
connections. These voltage reference inputs may be
shared with other analog input pins and may be
common to other analog module references.
The analog inputs are connected through two multi-
plexers (MUXs) to one SHA. The analog input MUXs
can be switched between two sets of analog inputs
between conversions. Unipolar differential conversions
are possible on all
the reference, using a reference input pin (see
Figure
The Analog Input Scan mode sequentially converts
user-specified channels. A control register specifies
which analog input channels will be included in the
scanning sequence.
The 10-bit ADC is connected to a 16-word result buffer.
Each 10-bit result is converted to one of eight 32-bit
output formats when it is read from the result buffer.
PIC32MX5XX/6XX/7XX
Amplifier (SHA)
V
REF
22-1. The 10-bit ADC has up to 16 analog input
22-1).
+
(1)
V
REFH
AV
VCFG<2:0>
SAR ADC
DD
V
channels,
REF
V
REFL
-
(1)
AV
other than the pin used as
SS
ADC1BUFE
ADC1BUF0
ADC1BUF1
ADC1BUF2
ADC1BUFF
DS61156F-page 149