- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄385002 > TMX320VC5421 (Texas Instruments, Inc.) DIGITAL SIGNAL PROCESSOR PDF資料下載
參數(shù)資料
| 型號： | TMX320VC5421 |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | DIGITAL SIGNAL PROCESSOR |
| 中文描述： | 數(shù)字信號處理器 |
| 文件頁數(shù)： | 20/88頁 |
| 文件大小： | 1156K |
| 代理商： | TMX320VC5421 |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁當(dāng)前第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁第73頁第74頁第75頁第76頁第77頁第78頁第79頁第80頁第81頁第82頁第83頁第84頁第85頁第86頁第87頁第88頁
TMS320VC5421
DIGITAL SIGNAL PROCESSOR
SPRS098 – DECEMBER 1999
20
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
bootloader (continued)
GPIO register bit 7 (ROMEN) is used to enable/disable the ROM after reset. The ROMEN bit reflects the status
of the ROMEN/GPIO0 pin for each core. ROMEN = 1 indicates that the ROM and the 8K-word program memory
block (00 E000h–00 FFFFh) are not available for the CPU. When ROMEN = 0, this 8K-word program memory
is available and the ROM are disabled.
A combination of interrupt flags and the bit values of an external memory location determine the selection of
the various boot options.
external interface (XIO)
The external interface (XIO) supports the ’5421 master boot modes and other external accesses. Its features
include:
Multiplexed with the HPI pins
Selection of XIO or HPI mode is determined by a dedicated pin (XIO)
Provides 512K words of external program space, 64K words of external data space, and 64K words of
external I/O space.
Different boot modes are selectable by the XIO, HMODE, and RS_A/B pins.
After reset, the control register bit ROMEN is always preset to 1.
While XIO = 0 during reset, host HPI mode is on, the host sees all RAM, and ROM is disabled. A host write to
002Fh releases the CPUs from reset; the 002Fh write by the host clears the ROMEN bit in the GPIO register.
While XIO = 1 and ROMEN = 1 during reset, the CPU starts from ROM (0FF80h) to do boot selection. After
branching to non-ROM area, the code changes the ROMEN bit to enable the RAM area occupied by ROM. While
XIO = 1 and ROMEN = 0 during reset, the CPU starts from external (0FF80h) to do boot selection.
Table 3 provides a complete description of HMODE, SELA/B, and XIO pin functionality.
Table 3. XIO/HPI Modes
HMODE
SELA/B
HPI MODES (XIO = 0)
XIO MODES (XIO = 1)
0
0
HPI muxed address/data subsystem A slave to host
SELA/B pin is multiplexed as PPA18 output.
0
1
HPI muxed address/data subsystem B slave to host
SELA/B pin is multiplexed as PPA18 output.
1
0
HPI non-muxed address/data subsystem A slave to host
SELA/B pin is multiplexed as PPA18 output.
1
1
HPI non-muxed address/data subsystem B slave to host
SELA/B pin is multiplexed as PPA18 output.
on-chip peripherals
All the ’54x devices have the same CPU structure; however, they have different on-chip peripherals connected
to their CPUs. The on-chip peripheral options provided are:
Software-programmable wait-state generator
Programmable bank-switching
Parallel I/O ports
Multichannel buffered serial ports (McBSPs)
A hardware timer
A software-programmable clock generator using a phase-locked loop (PLL)
A
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TMX320VC5509AGHH | TMS320VC5509A Fixed-Point Digital Signal Processor |
| TMX470R1A64PN | 16/32-Bit RISC Flash Microcontroller |
| TMXT504 | SAW BANDPASS FILTER |
| TN0104 | N-Channel Enhancement-Mode Vertical DMOS FET(擊穿電壓40V，低門限1.6V，N溝道增強型垂直DMOS結(jié)構(gòu)場效應(yīng)管) |
| TN0104 | N-Channel Enhancement-Mode Vertical DMOS FETs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMX320VC5441GGU | 制造商:Texas Instruments 功能描述: |
| TMX320VC5472GHK | 功能描述:IC DIGITAL SYSTEM PROCESSOR RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP（數(shù)字式信號處理器） 系列:- 標準包裝:2 系列:StarCore 類型:SC140 內(nèi)核 接口:DSI，以太網(wǎng)，RS-232 時鐘速率:400MHz 非易失內(nèi)存:外部 芯片上RAM:1.436MB 電壓 - 輸入/輸出:3.30V 電壓 - 核心:1.20V 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:431-BFBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:431-FCPBGA（20x20） 包裝:托盤 |
| TMX320VC549GGU100 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| TMX320VC549PGE-100 | 制造商:Texas Instruments 功能描述:320VC549PGE-100 |
| TMX320VC5501GZZ300 | 制造商:Texas Instruments 功能描述: |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。