DSPIC33FJ128GP202-I/MM Microchip Technology, DSPIC33FJ128GP202-I/MM Datasheet - Page 159
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DSPIC33FJ128GP202-I/MM
Manufacturer Part Number
DSPIC33FJ128GP202-I/MM
Description
IC DSPIC MCU/DSP 128K 28-QFN
Manufacturer
Microchip Technology
Series
dsPIC™ 33Fr
Datasheets
1.DSPIC33FJ32GP204-IPT.pdf
(14 pages)
2.DSPIC33FJ32GP302-ISO.pdf
(412 pages)
3.DSPIC33FJ64GP804-IML.pdf
(402 pages)
Specifications of DSPIC33FJ128GP202-I/MM
Program Memory Type
FLASH
Program Memory Size
128KB (128K x 8)
Package / Case
28-QFN
Core Processor
dsPIC
Core Size
16-Bit
Speed
40 MIPs
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
AC'97, Brown-out Detect/Reset, DMA, I²S, 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
Product
DSCs
Data Bus Width
16 bit
Processor Series
DSPIC33F
Core
dsPIC
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
21
Data Ram Size
8 KB
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, DM240001, DV164033
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DV164033 - KIT START EXPLORER 16 MPLAB ICD2DM240001 - BOARD DEMO PIC24/DSPIC33/PIC32
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
- DSPIC33FJ32GP204-IPT PDF datasheet
- DSPIC33FJ32GP302-ISO PDF datasheet #2
- DSPIC33FJ64GP804-IML PDF datasheet #3
- Current page: 159 of 402
- Download datasheet (3Mb)
11.0
All of the device pins (except V
OSC1/CLKI) are shared among the peripherals and the
parallel I/O ports. All I/O input ports feature Schmitt
Trigger inputs for improved noise immunity.
11.1
Generally a parallel I/O port that shares a pin with a
peripheral is subservient to the peripheral. The
peripheral’s output buffer data and control signals are
provided to a pair of multiplexers. The multiplexers
select whether the peripheral or the associated port
FIGURE 11-1:
2009 Microchip Technology Inc.
dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04
Note 1: This data sheet summarizes the features
2: Some registers and associated bits
I/O PORTS
Parallel I/O (PIO) Ports
of
dsPIC33FJ64GPX02/X04,
dsPIC33FJ128GPX02/X04 families of
devices. It is not intended to be a compre-
hensive reference source. To comple-
ment the information in this data sheet,
refer
(DS70193) of the “dsPIC33F/PIC24H
Family Reference Manual”, which is avail-
able
(www.microchip.com).
described in this section may not be avail-
able on all devices. Refer to Section 4.0
“Memory Organization” in this data
sheet for device-specific register and bit
information.
Read Port
Read LAT
Read TRIS
Data Bus
WR TRIS
WR LAT +
WR Port
the
to
from
BLOCK DIAGRAM OF A TYPICAL SHARED PORT STRUCTURE
“Section
Peripheral Output Enable
Peripheral Output Data
Peripheral Input Data
Peripheral Module Enable
Peripheral Module
the
dsPIC33FJ32GP302/304,
PIO Module
DD
Microchip
TRIS Latch
Data Latch
D
D
CK
CK
10.
, V
SS
Q
Q
I/O
, MCLR and
website
Ports”
and
Preliminary
Output Multiplexers
has ownership of the output data and control signals of
the I/O pin. The logic also prevents “loop through,” in
which a port’s digital output can drive the input of a
peripheral that shares the same pin. Figure 11-1 shows
how ports are shared with other peripherals and the
associated I/O pin to which they are connected.
When a peripheral is enabled and the peripheral is
actively driving an associated pin, the use of the pin as
a general purpose output pin is disabled. The I/O pin
can be read, but the output driver for the parallel port bit
is disabled. If a peripheral is enabled, but the peripheral
is not actively driving a pin, that pin can be driven by a
port.
All port pins have three registers directly associated
with their operation as digital I/O. The data direction
register (TRISx) determines whether the pin is an input
or an output. If the data direction bit is a ‘1’, then the pin
is an input. All port pins are defined as inputs after a
Reset. Reads from the latch (LATx) read the latch.
Writes to the latch write the latch. Reads from the port
(PORTx) read the port pins, while writes to the port pins
write the latch.
Any bit and its associated data and control registers
that are not valid for a particular device is disabled.
This means the corresponding LATx and TRISx
registers and the port pin are read as zeros.
When a pin is shared with another peripheral or
function that is defined as an input only, it is
nevertheless regarded as a dedicated port because
there is no other competing source of outputs.
1
0
1
0
Output Enable
Output Data
Input Data
I/O
I/O Pin
DS70292D-page 159
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