DSPIC33FJ16GP101-E/SO Microchip Technology, DSPIC33FJ16GP101-E/SO Datasheet - Page 64
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DSPIC33FJ16GP101-E/SO
Manufacturer Part Number
DSPIC33FJ16GP101-E/SO
Description
16-bit DSC Family, 16 MIPS, 16KB Flash, 1KB RAM 18 SOIC .300in TUBE
Manufacturer
Microchip Technology
Series
dsPIC™ 33Fr
Datasheet
1.DSPIC33FJ16GP101-IP.pdf
(322 pages)
Specifications of DSPIC33FJ16GP101-E/SO
Processor Series
dsPIC33F
Core
dsPIC
Data Bus Width
16 bit
Program Memory Type
Flash
Program Memory Size
16 KB
Interface Type
SPI, I2C, UART, JTAG
Number Of Programmable I/os
35
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 125 C
Development Tools By Supplier
MPLAB IDE Software
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 13 Channel
Core Processor
dsPIC
Core Size
16-Bit
Speed
16 MIPs
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
13
Eeprom Size
-
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
18-SOIC (0.295", 7.50mm Width)
Lead Free Status / Rohs Status
Details
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dsPIC33FJ16GP101/102 AND dsPIC33FJ16MC101/102
4.6.3
The upper 32 Kbytes of data space may optionally be
mapped into any 16K word page of the program space.
This option provides transparent access to stored
constant data from the data space without the need to
use special instructions (such as TBLRDL and
TBLRDH).
Program space access through the data space occurs
if the MSb of the data space EA is ‘1’ and program
space visibility is enabled by setting the PSV bit in the
Core Control register (CORCON<2>). The location of
the program memory space to be mapped into the data
space is determined by the Program Space Visibility
Page register (PSVPAG). This 8-bit register defines
any one of 256 possible pages of 16K words in
program space. In effect, PSVPAG functions as the
upper 8 bits of the program memory address, with the
15 bits of the EA functioning as the lower bits. By
incrementing the PC by 2 for each program memory
word, the lower 15 bits of data space addresses directly
map to the lower 15 bits in the corresponding program
space addresses.
Data reads to this area add a cycle to the instruction
being executed, since two program memory fetches
are required.
Although each data space address 0x8000 and higher
maps directly into a corresponding program memory
address (see Figure 4-9), only the lower 16 bits of the
FIGURE 4-9:
DS70652C-page 64
The data in the page
designated by
PSVPAG is mapped
into the upper half of
the data memory
space...
When CORCON<2> = 1 and EA<15> = 1:
PSVPAG
READING DATA FROM PROGRAM
MEMORY USING PROGRAM SPACE
VISIBILITY
02
PROGRAM SPACE VISIBILITY OPERATION
23
Program Space
15
0
0x000000
0x010000
0x018000
0x800000
Preliminary
24-bit program word are used to contain the data. The
upper 8 bits of any program space location used as
data should be programmed with ‘1111
‘0000 0000’ to force a NOP. This prevents possible
issues should the area of code ever be accidentally
executed.
For operations that use PSV and are executed outside
a REPEAT loop, the MOV
require one instruction cycle in addition to the specified
execution time. All other instructions require two
instruction cycles in addition to the specified execution
time.
For operations that use PSV, and are executed inside
a REPEAT loop, these instances require two instruction
cycles in addition to the specified execution time of the
instruction:
• Execution in the first iteration
• Execution in the last iteration
• Execution prior to exiting the loop due to an
• Execution upon re-entering the loop after an
Any other iteration of the REPEAT loop will allow the
instruction using PSV to access data, to execute in a
single cycle.
Note:
interrupt
interrupt is serviced
Data Space
PSV Area
PSV access is temporarily disabled during
table reads/writes.
0x0000
0x8000
0xFFFF
© 2011 Microchip Technology Inc.
and
...while the lower 15 bits
of the EA specify an
exact address within
the PSV area. This
corresponds exactly to
the same lower 15 bits
of the actual program
space address.
MOV.D instructions
Data EA<14:0>
1111’ or
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