PIC24HJ64GP502-I/MM Microchip Technology, PIC24HJ64GP502-I/MM Datasheet - Page 236

• Manufacturer Part Number: PIC24HJ64GP502-I/MM
• Description: IC PIC MCU FLASH 64K 28-QFN
• Manufacturer: Microchip Technology
• Series: PIC® 24Hr

Specifications of PIC24HJ64GP502-I/MM

• Program Memory Type: FLASH
• Program Memory Size: 64KB (22K x 24)
• Package / Case: 28-QFN
• Core Processor: PIC
• Core Size: 16-Bit
• Speed: 40 MIPs
• Connectivity: CAN, I²C, IrDA, LIN, PMP, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 21
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 10x10b/12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC24HJ
• Core: PIC
• Data Bus Width: 16 bit
• Data Ram Size: 8 KB
• Interface Type: I2C, SPI, UART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 21
• Number Of Timers: 5
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52713-733, 52714-737, 53276-922, EWDSPIC
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, DM300027
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 10 Channel / 12 bit, 10 Channel
• Controller Family/series: PIC24
• No. Of I/o's: 21
• Ram Memory Size: 4KB
• Cpu Speed: 40MIPS
• No. Of Timers: 7
• Embedded Interface Type: CAN, I2C, SPI, UART
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164336 - MODULE SOCKET FOR PM3 28/44QFN
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

21.1
21.1.1
The Voltage Reference module is controlled through
the CVRCON register (Register 21-2). The comparator
voltage reference provides two ranges of output
voltage, each with 16 distinct levels. The range to be
used is selected by the CVRR bit (CVRCON<5>). The
primary difference between the ranges is the size of the
steps
(CVR3:CVR0), with one range offering finer resolution.
FIGURE 21-2:
DS70293D-page 236
V
AV
REF
selected
DD
Comparator Voltage Reference
CVREN
+
CVRR
V
AV
CONFIGURING THE COMPARATOR
VOLTAGE REFERENCE
REF
SS
-
by
CVRSS = 1
CVRSS = 0
COMPARATOR VOLTAGE REFERENCE BLOCK DIAGRAM
the
CV
REF
CVRSS = 1
CVRSS = 0
16 Steps
Selection
CV
8R
R
R
R
R
R
R
R
RSRC
Preliminary
bits
8R
The comparator reference supply voltage can come
from either V
V
bit (CVRCON<4>).
The settling time of the comparator voltage reference
must be considered when changing the CV
output.
REF
CVRCON<3:0>
-. The voltage source is selected by the CVRSS
DD
CVRCON<CVROE>
and V
SS
© 2009 Microchip Technology Inc.
, or the external V
CV
CV
REFIN
REF
REF
+ and
REF