DSPIC30F6010A-30I/PF Microchip Technology Inc., DSPIC30F6010A-30I/PF Datasheet - Page 26
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DSPIC30F6010A-30I/PF
Manufacturer Part Number
DSPIC30F6010A-30I/PF
Description
16 BIT MCU/DSP 80LD 30MIPS 144 KB FLASH
Manufacturer
Microchip Technology Inc.
Type
DSPr
Datasheet
1.DSPIC30F6010A-30IPF.pdf
(236 pages)
Specifications of DSPIC30F6010A-30I/PF
A/d Inputs
16-Channels, 10-Bit
Cpu Speed
30 MIPS
Eeprom Memory
4K Bytes
Input Output
68
Interface
CAN, I2C, SPI, UART/USART
Ios
68
Memory Type
Flash
Number Of Bits
16
Package Type
80-pin TQFP
Programmable Memory
144K Bytes
Ram Size
8K Bytes
Timers
5-16-bit, 2-32-bit
Voltage, Range
2.5-5.5
Lead Free Status / Rohs Status
RoHS Compliant part
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dsPIC30F6010A/6015
FIGURE 3-4:
3.1.2
The upper 32 Kbytes of data space may optionally be
mapped into any 16K word program space page. This
provides transparent access of stored constant data
from X data space, without the need to use special
instructions (i.e., TBLRDL/H, TBLWTL/H instructions).
Program space access through the data space occurs
if the MSb of the data space EA is set and program
space visibility is enabled, by setting the PSV bit in the
Core Control register (CORCON). The functions of
CORCON are discussed in Section 2.4 “DSP
Engine”.
Data accesses to this area add an additional cycle to
the instruction being executed, since two program
memory fetches are required.
Note that the upper half of addressable data space is
always part of the X data space. Therefore, when a
DSP operation uses program space mapping to access
this memory region, Y data space should typically con-
tain state (variable) data for DSP operations, whereas
X data space should typically contain coefficient
(constant) data.
Although each data space address, 0x8000 and higher,
maps directly into a corresponding program memory
address (see Figure 3-5), only the lower 16 bits of the
24-bit program word are used to contain the data. The
upper 8 bits should be programmed to force an illegal
instruction to maintain machine robustness. Refer
to the
Manual” (DS70157) for details on instruction encoding.
DS70150B-page 24
“dsPIC30F/33F
DATA ACCESS FROM PROGRAM
MEMORY USING PROGRAM
SPACE VISIBILITY
Program Memory
‘Phantom’ Byte
(Read as ‘0’)
PC Address
0x000004
0x000006
0x000002
0x000000
PROGRAM DATA TABLE ACCESS (MOST SIGNIFICANT BYTE)
Programmers
00000000
00000000
00000000
00000000
Reference
TBLRDH.B (Wn<0> = 1)
23
Note that by incrementing the PC by 2 for each
program memory word, the Least Significant 15 bits of
data space addresses directly map to the Least Signif-
icant 15 bits in the corresponding program space
addresses. The remaining bits are provided by the
Program
PSVPAG<7:0>, as shown in Figure 3-5.
For instructions that use PSV which are executed
outside a REPEAT loop:
• The following instructions will require one instruc-
• All other instructions will require two instruction
For instructions that use PSV which are executed
inside a REPEAT loop:
• The following instances will require two instruction
• Any other iteration of the REPEAT loop will allow
16
Note:
tion cycle in addition to the specified execution
time:
- MAC class of instructions with data operand
- MOV instructions
- MOV.D instructions
cycles in addition to the specified execution time
of the 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
the instruction, accessing data using PSV, to
execute in a single cycle.
TBLRDH.W
prefetch
interrupt
interrupt is serviced
TBLRDH.B (Wn<0> = 0)
PSV access is temporarily disabled during
table reads/writes.
Space
8
© 2006 Microchip Technology Inc.
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