參數(shù)資料
型號: TMX320C6201
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號處理
英文描述: Digital Signal Processors(1600MIPS at 200MHz,8個功能單元并行操作的DSP)
中文描述: 數(shù)字信號處理器(1600MIPS在200MHz,8個功能單元并行操作的數(shù)字信號處理器)
文件頁數(shù): 22/72頁
文件大?。?/td> 1552K
代理商: TMX320C6201
TMX320C6201
DIGITAL SIGNAL PROCESSOR
SPRS051B – JANUARY 1997 – REVISED JUNE 1997
22
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
memory-mapped registers – EMIF
Table 5. EMIF Memory-Mapped Registers
BITS
31–24
FIELD
DESCRIPTION
EMIF
Gl b l
Global
Control
Register
RSV
Reserved
23
AXRDY
Value of AXRDY input pin (reserved in the initial TMX320C6201 release)
22
HOLDA
Value of HOLDA output pin
21
EXT_ACK
Indicates external controller cycle acknowledged
20
EXT_SEL
Indicates external controller cycle in progress
19
PMC_SEL
Indicates that EMIF has accepted data transfer request from PMC
18
PMC_ACK
Indicates that EMIF is completing transfer between PMC and external memory
17
DMC_SEL
Indicates that EMIF has accepted data-transfer request from DMC
16
DMC_ACK
Indicates that DMC being serviced by EMIF
15
DMA_SEL
Indicates that EMIF has accepted data-transfer request from DMA
14
DMA_ACK
Indicates that DMA is being serviced by EMIF
13
ADR_RES
Indicates request to EMIF with invalid address (latched until reset)
12
ADR_LAT
Indicates request to EMIF with invalid address (latched until read)
11
PMC_ADR
Indicates PMC as the source of EMIF request with invalid address
10
DMC_ADR
Indicates DMC as the source of EMIF request with invalid address
9
DMA_ADR
Indicates DMA as the source of EMIF request with invalid address
8
SDRAM_INIT
Indicates SDRAM in process of being initialized by the DSP
7–3
RSV
Reserved
Assigns CE2 space to external controller cycles, overriding normal memory type
Assigns CE0 space to external controller cycles, overriding normal memory type
2
XCE2
1
XCE0
0
RESET
Initializes EMIF to its reset state
The type of memory assigned to external spaces CE0 and CE2 is set initially during reset by selected DC pins.
P
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