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參數(shù)資料
| 型號： | ADSP-2191MKCAZ-160 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | 16-bit Fixed-Point DSP, 160 MIPS, 160K bytes RAM; Package: CHIP SCALE BGA; No of Pins: 144; Temperature Range: Comm. |
| 中文描述： | 16-BIT, 100 MHz, OTHER DSP, PBGA144 |
| 封裝： | MINI, BGA-144 |
| 文件頁數(shù)： | 48/48頁 |
| 文件大小： | 1789K |
| 代理商： | ADSP-2191MKCAZ-160 |
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–9–
REV. A
ADSP-2191M
Framing—each transmit and receive port can run with or
without frame sync signals for each data word. Frame sync
signals can be generated internally or externally, active
high or low, and with either of two pulsewidths and early
or late frame sync.
Companding in hardware—each SPORT can perform
A-law or -law companding according to ITU recommen-
dation G.711. Companding can be selected on the
transmit and/or receive channel of the SPORT without
additional latencies.
DMA operations with single-cycle overhead—each
SPORT can automatically receive and transmit multiple
buffers of memory data, one data word each DSP cycle.
Either the DSP’s core or a Host processor can link or chain
sequences of DMA transfers between a SPORT and
memory. The chained DMA can be dynamically allocated
and updated through the DMA descriptors (DMA
transfer parameters) that set up the chain.
Interrupts—each transmit and receive port generates an
interrupt upon completing the transfer of a data word or
after transferring an entire data buffer or buffers through
DMA.
Multichannel capability—each SPORT supports the
H.100 standard.
Serial Peripheral Interface (SPI) Ports
The DSP has two SPI-compatible ports that enable the DSP to
communicate with multiple SPI-compatible devices. These ports
are multiplexed with SPORT2, so either SPORT2 or the SPI
ports are active, depending on the state of the OPMODE pin
during hardware reset.
The SPI interface uses three pins for transferring data: two data
pins (Master Output-Slave Input, MOSIx, and Master
Input-Slave Output, MISOx) and a clock pin (Serial Clock,
SCKx). Two SPI chip select input pins (
SPISSx) let other SPI
devices select the DSP, and fourteen SPI chip select output pins
(SPIxSEL7–1) let the DSP select other SPI devices. The SPI
select pins are reconfigured Programmable Flag pins. Using
these pins, the SPI ports provide a full duplex, synchronous serial
interface, which supports both master and slave modes and mul-
timaster environments.
Each SPI port’s baud rate and clock phase/polarities are program-
mable (see equation below for SPI clock rate calculation), and
each has an integrated DMA controller, configurable to support
both transmit and receive data streams. The SPI’s DMA control-
ler can only service unidirectional accesses at any given time.
During transfers, the SPI ports simultaneously transmit and
receive by serially shifting data in and out on their two serial data
lines. The serial clock line synchronizes the shifting and sampling
of data on the two serial data lines.
UART Port
The UART port provides a simplified UART interface to another
peripheral or Host. It performs full duplex, asynchronous
transfers of serial data. Options for the UART include support
for 5–8 data bits; 1 or 2 stop bits; and none, even, or odd parity.
The UART port supports two modes of operation:
Programmed I/O
The DSP’s core sends or receives data by writing or
reading I/O-mapped THR or RBR registers, respectively.
The data is double-buffered on both transmit and receive.
DMA (direct memory access)
The DMA controller transfers both transmit and receive
data. This reduces the number and frequency of inter-
rupts required to transfer data to and from memory. The
UART has two dedicated DMA channels. These DMA
channels have lower priority than most DMA channels
because of their relatively low service rates.
The UART’s baud rate (see following equation for UART clock
rate calculation), serial data format, error code generation and
status, and interrupts are programmable:
Supported bit rates range from 9.5 bits to 5M bits per
second (80 MHz peripheral clock).
Supported data formats are 7- to 12-bit frames.
Transmit and receive status can be configured to generate
maskable interrupts to the DSP’s core.
The timers can be used to provide a hardware-assisted autobaud
detection mechanism for the UART interface.
Where D is the programmable divisor = 1 to 65536.
Programmable Flag (PFx) Pins
The ADSP-2191M has 16 bidirectional, general-purpose I/O,
Programmable Flag (PF15–0) pins. The PF7–0 pins are
dedicated to general-purpose I/O. The PF15–8 pins serve either
as general-purpose I/O pins (if the DSP is connected to an 8-bit
external data bus) or serve as DATA15–8 lines (if the DSP is
connected to a 16-bit external data bus). The Programmable Flag
pins have special functions for clock multiplier selection and for
SPI port operation. For more information, see Serial Peripheral
SPI Clock Rate
HCLK
2 SPIBAUD
×
--------------------------------------
=
UART Clock Rate
HCLK
16 D
×
------------------
=
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADSP-2191MKST-160 | 制造商:Analog Devices 功能描述:DSP 16-Bit 160MHz 160MIPS 144-Pin LQFP 制造商:Analog Devices 功能描述:Digital Signal Processor IC Supply Volta |
| ADSP-2191MKSTZ-160 | 功能描述:IC DSP CONTROLLER 16BIT 144LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP（數(shù)字式信號處理器） 系列:ADSP-21xx 標(biāo)準(zhǔn)包裝:40 系列:TMS320DM64x, DaVinci™ 類型:定點 接口:I²C，McASP，McBSP 時鐘速率:400MHz 非易失內(nèi)存:外部 芯片上RAM:160kB 電壓 - 輸入/輸出:3.30V 電壓 - 核心:1.20V 工作溫度:0°C ~ 90°C 安裝類型:表面貼裝 封裝/外殼:548-BBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:548-FCBGA（27x27） 包裝:托盤 配用:TMDSDMK642-0E-ND - DEVELPER KIT W/NTSC CAMERA296-23038-ND - DSP STARTER KIT FOR TMS320C6416296-23059-ND - FLASHBURN PORTING KIT296-23058-ND - EVAL MODULE FOR DM642TMDSDMK642-ND - DEVELOPER KIT W/NTSC CAMERA |
| ADSP-2195MBCA-140 | 制造商:Analog Devices 功能描述:DSP Fixed-Point 24-Bit 140MHz 140MIPS 144-Pin CSP-BGA 制造商:Rochester Electronics LLC 功能描述:16-BIT,140 MIPS, 2.5V, 80KBYTES RAM - Bulk |
| ADSP-2195MBST-140 | 功能描述:IC DSP CONTROLLER 16BIT 144LQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - DSP（數(shù)字式信號處理器） 系列:ADSP-21xx 標(biāo)準(zhǔn)包裝:40 系列:TMS320DM64x, DaVinci™ 類型:定點 接口:I²C，McASP，McBSP 時鐘速率:400MHz 非易失內(nèi)存:外部 芯片上RAM:160kB 電壓 - 輸入/輸出:3.30V 電壓 - 核心:1.20V 工作溫度:0°C ~ 90°C 安裝類型:表面貼裝 封裝/外殼:548-BBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:548-FCBGA（27x27） 包裝:托盤 配用:TMDSDMK642-0E-ND - DEVELPER KIT W/NTSC CAMERA296-23038-ND - DSP STARTER KIT FOR TMS320C6416296-23059-ND - FLASHBURN PORTING KIT296-23058-ND - EVAL MODULE FOR DM642TMDSDMK642-ND - DEVELOPER KIT W/NTSC CAMERA |
| ADSP-2195MKCA-160 | 制造商:Analog Devices 功能描述:DSP Fixed-Point 24-Bit 160MHz 160MIPS 144-Pin CSP-BGA 制造商:Rochester Electronics LLC 功能描述:16-BIT,160 MIPS, 2.5V, 80KBYTES RAM - Bulk |
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