DSPIC30F2023T-30I/PT Microchip Technology, DSPIC30F2023T-30I/PT Datasheet - Page 34
![12KB, Flash, 512bytes-RAM, 30MIPS, 35I/O, 16-bit Family,nanoWatt 44 TQFP 10x10x1](/photos/6/82/68251/c04-076_pt_sml.jpg)
DSPIC30F2023T-30I/PT
Manufacturer Part Number
DSPIC30F2023T-30I/PT
Description
12KB, Flash, 512bytes-RAM, 30MIPS, 35I/O, 16-bit Family,nanoWatt 44 TQFP 10x10x1
Manufacturer
Microchip Technology
Series
dsPIC™ 30Fr
Datasheets
1.AC164335.pdf
(286 pages)
2.DM300023.pdf
(22 pages)
3.DM300023.pdf
(18 pages)
4.DSPIC30F2011-20ISO.pdf
(66 pages)
5.DSPIC30F2011-20IP.pdf
(26 pages)
6.DSPIC30F1010-30ISO.pdf
(26 pages)
7.DSPIC30F1010-30ISO.pdf
(50 pages)
Specifications of DSPIC30F2023T-30I/PT
Core Processor
dsPIC
Core Size
16-Bit
Speed
30 MIPs
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
35
Program Memory Size
12KB (4K x 24)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
DSPIC30F2023T-30I/PTTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DSPIC30F2023T-30I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
DSPIC30F2023T-30I/PT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- AC164335 PDF datasheet
- DM300023 PDF datasheet #2
- DM300023 PDF datasheet #3
- DSPIC30F2011-20ISO PDF datasheet #4
- DSPIC30F2011-20IP PDF datasheet #5
- DSPIC30F1010-30ISO PDF datasheet #6
- DSPIC30F1010-30ISO PDF datasheet #7
- Current page: 34 of 286
- Download datasheet (5Mb)
dsPIC30F1010/202X
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 “dsPIC30F/33F Programmer’s Reference Manual”
(DS70157) for details on instruction encoding.
DS70178C-page 32
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)
00000000
00000000
00000000
00000000
TBLRDH.B (Wn<0> = 1)
Preliminary
23
Note that by incrementing the PC by 2 for each pro-
gram 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 Pro-
gram Space Visibility Page register, 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
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.
16
TBLRDH.W
prefetch
interrupt
interrupt is serviced
TBLRDH.B (Wn<0> = 0)
PSV access is temporarily disabled during
Table Reads/Writes.
8
© 2006 Microchip Technology Inc.
0
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