DSPIC33FJ32GP204-H/PT Microchip Technology, DSPIC33FJ32GP204-H/PT Datasheet - Page 33
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DSPIC33FJ32GP204-H/PT
Manufacturer Part Number
DSPIC33FJ32GP204-H/PT
Description
16-bit DSC, 44LD,32KB Flash,40 MIPS,nanoWatt 44 TQFP 10x10x1mm TRAY
Manufacturer
Microchip Technology
Series
dsPIC™ 33Fr
Datasheet
1.DSPIC33FJ16GP304-IPT.pdf
(284 pages)
Specifications of DSPIC33FJ32GP204-H/PT
Core Processor
dsPIC
Core Size
16-Bit
Speed
40 MIPs
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
35
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 13x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 140°C
Package / Case
44-TQFP
Processor Series
dsPIC33F
Core
dsPIC
Data Bus Width
16 bit
Interface Type
SPI, I2C, UART, JTAG
Number Of Programmable I/os
35
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 140 C
Mounting Style
SMD/SMT
Development Tools By Supplier
MPLAB IDE Software
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 13 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
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Part Number
Manufacturer
Quantity
Price
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Part Number:
DSPIC33FJ32GP204-H/PT
Manufacturer:
Microchip Technology
Quantity:
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4.2
The
dsPIC33FJ16GP304 CPU has a separate 16-bit wide
data memory space. The data space is accessed using
separate Address Generation Units (AGUs) for read
and write operations. The data memory maps is shown
in
All Effective Addresses (EAs) in the data memory space
are 16 bits wide and point to bytes within the data space.
This arrangement gives a data space address range of
64 Kbytes or 32K words. The lower half of the data
memory space (that is, when EA<15> = 0) is used for
implemented memory addresses, while the upper half
(EA<15> = 1) is reserved for the Program Space
Visibility area (see
Program Memory Using Program Space
dsPIC33FJ32GP202/204 and dsPIC33FJ16GP304
devices implement up to 2 Kbytes of data memory.
Should an EA point to a location outside of this area, an
all-zero word or byte will be returned.
4.2.1
The data memory space is organized in byte
addressable, 16-bit wide blocks. Data is aligned in data
memory and registers as 16-bit words, but all data
space EAs resolve to bytes. The Least Significant
Bytes (LSBs) of each word have even addresses, while
the Most Significant Bytes (MSBs) have odd
addresses.
4.2.2
To maintain backward compatibility with PIC
devices and improve data space memory usage
efficiency,
dsPIC33FJ16GP304 instruction set supports both
word and byte operations. As a consequence of byte
accessibility, all effective address calculations are
internally scaled to step through word-aligned memory.
For example, the core recognizes that Post-Modified
Register Indirect Addressing mode [Ws++] will result in
a value of Ws + 1 for byte operations and Ws + 2 for
word operations.
Data byte reads will read the complete word that
contains the byte, using the LSB of any EA to
determine which byte to select. The selected byte is
placed onto the LSB of the data path. That is, data
memory and registers are organized as two parallel
byte-wide entities with shared (word) address decode
but separate write lines. Data byte writes only write to
the corresponding side of the array or register that
matches the byte address.
© 2011 Microchip Technology Inc.
dsPIC33FJ32GP202/204 and dsPIC33FJ16GP304
Figure
Data Address Space
4-3.
DATA SPACE WIDTH
DATA MEMORY ORGANIZATION
AND ALIGNMENT
the
dsPIC33FJ32GP202/204
Section 4.6.3 “Reading Data from
dsPIC33FJ32GP202/204
Visibility”).
®
MCU
and
and
All word accesses must be aligned to an even address.
Misaligned word data fetches are not supported, so
care must be taken when mixing byte and word
operations, or translating from 8-bit MCU code. If a
misaligned read or write is attempted, an address error
trap is generated. If the error occurred on a read, the
instruction underway is completed. If the instruction
occurred on a write, the instruction is executed but the
write does not occur. In either case, a trap is then
executed, allowing the system and/or user application
to examine the machine state prior to execution of the
address Fault.
All byte loads into any W register are loaded into the
Least Significant Byte. The Most Significant Byte is not
modified.
A sign-extend instruction (SE) is provided to allow
users to translate 8-bit signed data to 16-bit signed
values. Alternatively, for 16-bit unsigned data, user
applications can clear the MSB of any W register by
executing a zero-extend (ZE) instruction on the
appropriate address.
4.2.3
The first 2 Kbytes of the Near Data Space, from 0x0000
to 0x07FF, is primarily occupied by Special Function
Registers
dsPIC33FJ32GP202/204 and dsPIC33FJ16GP304
core and peripheral modules for controlling the
operation of the device.
SFRs are distributed among the modules that they
control, and are generally grouped together by module.
Much of the SFR space contains unused addresses;
these are read as ‘0’. A complete listing of implemented
SFRs, including their addresses, is shown in
through
4.2.4
The 8 Kbyte area between 0x0000 and 0x1FFF is
referred to as the Near Data Space. Locations in this
space are directly addressable via a 13-bit absolute
address field within all memory direct instructions.
Additionally, the whole data space is addressable using
MOV instructions, which support Memory Direct
Addressing mode with a 16-bit address field, or by
using Indirect Addressing mode using a working
register as an address pointer.
Note:
Table
SFR SPACE
The actual set of peripheral features and
interrupts varies by the device. Refer to
the corresponding device tables and
pinout
information.
NEAR DATA SPACE
(SFRs).
4-22.
diagrams
These
are
for
DS70290G-page 33
used
device-specific
Table 4-1
by
the
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