參數(shù)資料
型號: TMS320C6727B_07
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號處理
英文描述: Floating-Point Digital Signal Processors
中文描述: 浮點數(shù)字信號處理器
文件頁數(shù): 58/116頁
文件大小: 999K
代理商: TMS320C6727B_07
www.ti.com
EM_D[31:16]/UHPI_HA[15:0]
(A)
UHPI_HCNTL[1:0]
UHPI_HD[15:0]
UHPI_HD[16]/HHWIL
UHPI_HD[31:17]
UHPI_HAS
(B)
UHPI_HBE[3:0]
UHPI_HRW
UHPI_HDS[2]
UHPI_HDS[1]
UHPI_HCS
UHPI_HRDY
AMUTE2/HINT
NC
A[x:y]
(C)
D[15:0]
D[16]
D[31:17]
BE[3:0]
(D)
R/W
WE
(E)
RD
(E)
CS
RDY
INTERRUPT
DSP
External Host MCU
TMS320C6727B, TMS320C6726B, TMS320C6722B, TMS320C6720
Floating-Point Digital Signal Processors
SPRS370C–SEPTEMBER 2006–REVISED OCTOBER 2007
Figure 4-16
illustrates the Multiplexed Host Address/Data Fullword Mode hookup between the C672x DSP
and an external host microcontroller. In this mode, all 32 bits of UHPI_HD[31:0] are used and the host can
access HPIA, HPID, and HPIC in a single bus cycle.
A.
B.
C.
D.
May be used as EM_D[31:16]
Optional for hosts supporting multiplexed address and data. Pull up if not used. Low when address is on the bus.
Two host address lines
or
host GPIO if address lines are not available.
Byte Enables (active during reads and writes). Some processors support a byte-enable mode on their write enable
pins.
Only required if needed for strobe timing. Not required if CS meets strobe timing requirements.
E.
Figure 4-16. UHPI Multiplexed Host Address/Data Fullword Mode
Peripheral and Electrical Specifications
58
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