PIC24FJ64GA004-E/ML Microchip Technology, PIC24FJ64GA004-E/ML Datasheet - Page 102

• Manufacturer Part Number: PIC24FJ64GA004-E/ML
• Description: 16-bit Family, 16 MIPS, 64KB Flash, 8192 Bytes RAM, 35 I/O, NanoWatt 44 QFN 8x8x
• Manufacturer: Microchip Technology
• Series: PIC® 24Fr

Specifications of PIC24FJ64GA004-E/ML

• Core Processor: PIC
• Core Size: 16-Bit
• Speed: 32MHz
• Connectivity: I²C, PMP, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 64KB (22K x 24)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Data Converters: A/D 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-QFN
• Processor Series: PIC24FJ
• Core: PIC
• Data Bus Width: 16 bit
• Data Ram Size: 8 KB
• Interface Type: I2C, IrDA, SPI, UART
• Maximum Clock Frequency: 32 MHz
• Number Of Programmable I/os: 35
• Number Of Timers: 5
• Maximum Operating Temperature: + 125 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, DM240011, DM300027, DV164033, MA240013, AC164127, DM240002
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 13 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 876-1004 - PIC24 BREAKOUT BOARDDM240011 - KIT STARTER MPLAB FOR PIC24F MCUAC162088 - HEADER MPLAB ICD2 24FJ64GA004 28AC164336 - MODULE SOCKET FOR PM3 28/44QFNDV164033 - KIT START EXPLORER 16 MPLAB ICD2
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

PIC24FJ64GA004 FAMILY
8.4.3
The Secondary Oscillator (SOSC) can operate in two
distinct levels of power consumption based on device
configuration. In Low-Power mode, the oscillator
operates in a low-gain, low-power state. By default, the
oscillator uses a higher gain setting, and therefore,
requires more power. The Secondary Oscillator Mode
Selection
determine the oscillator’s power mode.
When Low-Power mode is used, care must be taken in
the design and layout of the SOSC circuit to ensure that
the oscillator will start up and oscillate properly. The
lower gain of this mode makes the SOSC more
sensitive to noise and requires a longer start-up time.
DS39881D-page 102
Note:
SECONDARY OSCILLATOR
LOW-POWER OPERATION
This feature is implemented only on
PIC24FJ64GA004 family devices with a
major silicon revision level of B or later
(DEVREV register value is 3042h or
greater).
bits,
SOSCSEL<1:0>
(CW2<12:11>),
8.4.4
On low pin count devices, such as those in the
PIC24FJ64GA004 family, due to pinout limitations, the
SOSC is more susceptible to noise than other PIC24F
devices. Unless proper care is taken in the design and
layout of the SOSC circuit, it is possible for
inaccuracies to be introduced into the oscillator's
period.
In general, the crystal circuit connections should be as
short as possible. It is also good practice to surround
the crystal circuit with a ground loop or ground plane.
For more detailed information on crystal circuit design,
please refer to the “PIC24F Family Reference Manual”,
Section 6. “Oscillator” (DS39700) and Microchip
Application Notes: AN826, “Crystal Oscillator Basics
and Crystal Selection for rfPIC
Devices” (DS00826) and AN849, “Basic PICmicro
Oscillator Design” (DS00849).
OSCILLATOR LAYOUT
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and PICmicro
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