參數(shù)資料
型號: TMS320C6727BGDH275
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): 61/114頁
文件大小: 1030K
代理商: TMS320C6727BGDH275
www.ti.com
TMS320C6727B, TMS320C6726B, TMS320C6722B, TMS320C6720
Floating-Point Digital Signal Processors
SPRS370–SEPTEMBER 2006
The UHPI has several device-level configuration registers which affect its behavior.
Figure 4-18
,
Figure 4-19
, and
Figure 4-20
show the bit layout of these registers.
Table 4-14
,
Table 4-15
, and
Table 4-16
contain a description of the bits in these registers.
31
8
Reserved
7
5
4
3
2
1
0
Reserved
BYTEAD
FULL
NMUX
PAGEM
ENA
R/W, 0
R/W, 0
R/W, 0
R/W, 0
R/W, 0
LEGEND: R/W = Read/Write; R = Read only; -
n
= value after reset
Figure 4-18. CFGHPI Register Bit Layout (0x4000 0008)
Table 4-14. CFGHPI Register Bit Field Description (0x4000 0008)
RESET
VALUE
N/A
0
READ
WRITE
N/A
R/W
BIT NO.
NAME
DESCRIPTION
31:5
4
Reserved
BYTEAD
Reads are indeterminate. Only 0s should be written to these bits.
UHPI Host Address Type
0 = Host Address is a word address
1 = Host Address is a byte address
UHPI Multiplexing Mode (when NMUX = 0)
0 = Half-Word (16-bit data) Multiplexed Address and Data Mode
1 = Fullword (32-bit data) Multiplexed Address and Data Mode
UHPI Non-Multiplexed Mode Enable
0 = Multiplexed Address and Data Mode
1 = Non-Multiplexed Address and Data Mode (utilizes optional UHPI_HA[15:0] pins).
Host data bus is 32 bits in Non-Multiplexed mode. Setting this bit prevents the EMIF
from driving data out or 'parking' the shared EM_D[31:16]/UHPI_HA[15:0] pins.
UHPI Page Mode Enable (Only for Multiplexed Address and Data Mode).
0 = Full 32-bit DSP address specified through host port.
1 = Only lower 16 bits of DSP address are specified through host port. Upper 16 bits
are restricted to the page selected by CFGHPIAMSB and CFGHPIAUMB registers.
UHPI Enable
0 = UHPI is disabled
1 = UHPI is enabled. Set this bit to '1' only after configuring the other bits in this
register.
3
FULL
0
R/W
2
NMUX
0
R/W
1
PAGEM
0
R/W
0
ENA
0
R/W
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