dsPIC33FJ32MC104-I/PT Microchip Technology, dsPIC33FJ32MC104-I/PT Datasheet - Page 210
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dsPIC33FJ32MC104-I/PT
Manufacturer Part Number
dsPIC33FJ32MC104-I/PT
Description
Digital Signal Processors & Controllers - DSP, DSC 16bit Mtr Cnt Fam 16 MIPS 32KBFLSH 2KBRAM
Manufacturer
Microchip Technology
Type
dsPIC33FJ32(GP/MC)101/102/104r
Datasheet
1.DSPIC33FJ32GP102-ISO.pdf
(386 pages)
Specifications of dsPIC33FJ32MC104-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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DSPIC33FJ32MC104-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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dsPIC33FJ16(GP/MC)101/102 AND dsPIC33FJ32(GP/MC)101/102/104
18.1
1.
2.
DS70652E-page 210
In multi-node direct connect UART networks,
UART receive inputs react to the complementary
logic level, defined by the URXINV bit
(UxMODE<4>) which defines the Idle state, the
default of which is logic high (i.e., URXINV = 0).
Because remote devices do not initialize at the
same time, it is likely that one of the devices,
because the RX line is floating, will trigger a Start
bit detection and will cause the first byte received
after the device has been initialized to be invalid.
To avoid this situation, the user should use a
pull-up or pull-down resistor on the RX pin
depending on the value of the URXINV bit.
a)
b)
The first character received on a wake-up from
Sleep mode, caused by activity on the UxRX pin
of the UART module, will be invalid. In Sleep
mode, peripheral clocks are disabled. By the
time the oscillator system has restarted and
stabilized from Sleep mode, the baud rate bit
sampling clock, relative to the incoming UxRX
bit timing, is no longer synchronized, resulting in
the first character being invalid. This is to be
expected.
UART Helpful Tips
If URXINV = 0, use a pull-up resistor on the
RX pin.
If URXINV = 1, use a pull-down resistor on
the RX pin.
18.2
Many useful resources are provided on the main
product page of the Microchip web site for the devices
listed in this data sheet. This product page, which can
be accessed using this link, contains the latest updates
and additional information.
18.2.1
• Section 17. “UART” (DS70188) in the
• Code Samples
• Application Notes
• Software Libraries
• Webinars
• All related “dsPIC33F/PIC24H Family Reference
• Development Tools
Note:
“dsPIC33F/PIC24H Family Reference Manual”
Manual” sections
UART Resources
In the event you are not able to access
the product page using the link above,
enter this URL in your browser:
http://www.microchip.com/wwwproducts/
Devices.aspx?dDocName=en554109
KEY RESOURCES
2011-2012 Microchip Technology Inc.
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