dsPIC33FJ32GP104-I/PT Microchip Technology, dsPIC33FJ32GP104-I/PT Datasheet - Page 215

• Manufacturer Part Number: dsPIC33FJ32GP104-I/PT
• Description: Digital Signal Processors & Controllers - DSP, DSC 16bit Gen Prp Fam16 MIPS 32KBFLSH 2KBRAM
• Manufacturer: Microchip Technology
• Type: dsPIC33FJ32(GP/MC)101/102/104r

Specifications of dsPIC33FJ32GP104-I/PT

• Rohs: yes
• Core: dsPIC33F
• Data Bus Width: 16 bit
• Program Memory Size: 32 KB
• Data Ram Size: 2 KB
• Maximum Clock Frequency: 7.37 MHz, 32 kHz
• Number Of Programmable I/os: 35
• Number Of Timers: 5 x 16-bit, 2 x 32-bit
• Device Million Instructions Per Second: 16 MIPs
• Operating Supply Voltage: 3 V to 3.6 V
• Maximum Operating Temperature: + 125 C
• Package / Case: TQFP-44
• Mounting Style: SMD/SMT
• Family / Core: dsPIC33FJ32(GP/MC)101/102/104
• Interface Type: I2C, SPI, UART
• Minimum Operating Temperature: - 40 C
• On-chip Adc: Yes
• Product: DSPs
• Program Memory Type: Flash
• Supply Current: 10 mA

19.0
The
dsPIC33FJ32(GP/MC)101/102/104 devices have up
to 14 ADC module input channels.
19.1
The 10-bit ADC configuration has the following key
features:
• Successive Approximation (SAR) conversion
• Conversion speeds of up to 1.1 Msps
• Up to 14 analog input pins
• Four Sample-and-Hold (S&H) circuits for
• Automatic Channel Scan mode
• Selectable conversion trigger source
• Selectable Buffer Fill modes
• Four result alignment options (signed/unsigned,
• Operation during CPU Sleep and Idle modes
• 16-word conversion result buffer
 2011-2012 Microchip Technology Inc.
simultaneous sampling of up to four analog input
pins
fractional/integer)
Note 1: This data sheet summarizes the features
dsPIC33FJ16(GP/MC)101/102 AND dsPIC33FJ32(GP/MC)101/102/104
2: Some registers and associated bits
10-BIT ANALOG-TO-DIGITAL
CONVERTER (ADC)
Key Features
dsPIC33FJ16(GP/MC)101/102
of the dsPIC33FJ16(GP/MC)101/102 and
dsPIC33FJ32(GP/MC)101/102/104 family
devices. It is not intended to be a compre-
hensive reference source. To complement
the information in this data sheet, refer
to
Converter (ADC)” (DS70183) in the
“dsPIC33F/PIC24H
Manual”, which is available from the
Microchip web site (www.microchip.com).
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.
Section
16.
“Analog-to-Digital
Family
Reference
and
in
Depending on the particular device pinout, the ADC
can have up to 14 analog input pins.
Block diagrams of the ADC module are shown in
Figure 19-1
19.2
To configure the ADC module:
1.
2.
3.
4.
5.
6.
7.
Select
(AD1PCFGL<15:0>).
Select the analog conversion clock to match the
desired data rate with the processor clock
(ADxCON3<7:0>).
Determine
channels will be used (ADxCON2<9:8>).
Select the appropriate sample/conversion
sequence
ADxCON3<12:8>).
Select the way conversion results are presented
in the buffer (ADxCON1<9:8>).
Turn on the ADC module (ADxCON1<15>).
Configure ADC interrupt (if required):
a)
b)
ADC Initialization
Clear the ADxIF bit.
Select the ADC interrupt priority.
through
port
how
Figure
pins
(ADxCON1<7:5>
many
19-3.
as
Sample-and-Hold
DS70652E-page 215
analog
inputs
and