DSPIC33FJ12MC202-I/SS Microchip Technology, DSPIC33FJ12MC202-I/SS Datasheet - Page 51
![IC DSPIC MCU/DSP 12K 28SSOP](/photos/6/81/68119/150-28-ssop_sml.jpg)
DSPIC33FJ12MC202-I/SS
Manufacturer Part Number
DSPIC33FJ12MC202-I/SS
Description
IC DSPIC MCU/DSP 12K 28SSOP
Manufacturer
Microchip Technology
Series
dsPIC™ 33Fr
Datasheets
1.PIC24HJ12GP201-ISO.pdf
(84 pages)
2.DSPIC33FJ12MC201-ISO.pdf
(288 pages)
3.DSPIC33FJ12MC201-ISO.pdf
(14 pages)
4.DSPIC33FJ12MC202-IML.pdf
(282 pages)
Specifications of DSPIC33FJ12MC202-I/SS
Core Processor
dsPIC
Core Size
16-Bit
Speed
40 MIPs
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, Motor Control PWM, QEI, POR, PWM, WDT
Number Of I /o
21
Program Memory Size
12KB (12K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 6x10b/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SSOP
Core Frequency
40MHz
Core Supply Voltage
2.75V
Embedded Interface Type
I2C, JTAG, SPI, UART
No. Of I/o's
21
Flash Memory Size
12KB
Supply Voltage Range
3V To 3.6V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DSPIC33FJ12MC202-I/SS
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC24HJ12GP201-ISO PDF datasheet
- DSPIC33FJ12MC201-ISO PDF datasheet #2
- DSPIC33FJ12MC201-ISO PDF datasheet #3
- DSPIC33FJ12MC202-IML PDF datasheet #4
- Current page: 51 of 288
- Download datasheet (5Mb)
4.6
The dsPIC33FJ12MC201/202 architecture uses a 24-
bit-wide program space and a 16-bit-wide data space.
The architecture is also a modified Harvard scheme,
meaning that data can also be present in the program
space. To use this data successfully, it must be
accessed in a way that preserves the alignment of
information in both spaces.
Aside from normal execution, the dsPIC33FJ12MC201/
202 architecture provides two methods by which
program space can be accessed during operation:
• Using table instructions to access individual
• Remapping a portion of the program space into
Table instructions allow an application to read or write
to small areas of the program memory. This capability
makes the method ideal for accessing data tables that
need to be updated periodically. It also allows access
to all bytes of the program word. The remapping
method allows an application to access a large block of
data on a read-only basis, which is ideal for lookups
from a large table of static data. The application can
only access the lsw of the program word.
TABLE 4-28:
© 2009 Microchip Technology Inc.
Instruction Access
(Code Execution)
TBLRD/TBLWT
(Byte/Word Read/Write)
Program Space Visibility
(Block Remap/Read)
Note 1:
bytes, or words, anywhere in the program space
the data space (Program Space Visibility)
Access Type
Interfacing Program and Data
Memory Spaces
Data EA<15> is always ‘1’ in this case, but is not used in calculating the program space address. Bit 15 of
the address is PSVPAG<0>.
PROGRAM SPACE ADDRESS CONSTRUCTION
User
User
Configuration
User
Access
Space
Preliminary
<23>
0
0
0
dsPIC33FJ12MC201/202
TBLPAG<7:0>
TBLPAG<7:0>
0xxx xxxx
1xxx xxxx
0xx
4.6.1
Since the address ranges for the data and program
spaces are 16 and 24 bits, respectively, a method is
needed to create a 23-bit or 24-bit program address
from 16-bit data registers. The solution depends on the
interface method to be used.
For table operations, the 8-bit Table Page register
(TBLPAG) is used to define a 32K word region within
the program space. This is concatenated with a 16-bit
EA to arrive at a full 24-bit program space address. In
this format, the MSb of TBLPAG is used to determine if
the operation occurs in the user memory (TBLPAG<7>
= 0) or the configuration memory (TBLPAG<7> = 1).
For remapping operations, the 8-bit Program Space
Visibility register (PSVPAG) is used to define a
16K word page in the program space. When the MSb
of the EA is ‘1’, PSVPAG is concatenated with the lower
15 bits of the EA to form a 23-bit program space
address. Unlike table operations, this limits remapping
operations strictly to the user memory area.
Table 4-28 and Figure 4-7 show how the program EA is
created for table operations and remapping accesses
from the data EA.
<22:16>
xxxx xxxx
PSVPAG<7:0>
xxxx
Program Space Address
ADDRESSING PROGRAM SPACE
xxxx
PC<22:1>
xxxx xxxx xxxx xxxx
xxxx xxxx xxxx xxxx
<15>
xxxx
xxx xxxx xxxx xxxx
Data EA<15:0>
Data EA<15:0>
xxxx xxx0
<14:1>
Data EA<14:0>
DS70265D-page 49
(1)
<0>
0
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