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(diǎn)數(shù)字信號處理器
文件頁數(shù): 63/116頁
文件大?。?/td> 999K
代理商: TMS320C6727B_07
www.ti.com
4.12.3 UHPI Electrical Data/Timing
TMS320C6727B, TMS320C6726B, TMS320C6722B, TMS320C6720
Floating-Point Digital Signal Processors
SPRS370C–SEPTEMBER 2006–REVISED OCTOBER 2007
4.12.3.1
Universal Host-Port Interface (UHPI) Read and Write Timing
Table 4-17
and
Table 4-18
assume testing over recommended operating conditions (see
Figure 4-21
through
Figure 4-24
).
Table 4-17. UHPI Read and Write Timing Requirements
(1)(2)
NO.
9
10
11
12
13
14
15
16
17
18
37
38
MIN
MAX
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
su(HASL-DSL)
t
h(DSL-HASL)
t
su(HAD-HASL)
t
h(HASL-HAD)
t
w(DSL)
t
w(DSH)
t
su(HAD-DSL)
t
h(DSL-HAD)
t
su(HD-DSH)
t
h(DSH-HD)
t
su(HCSL-DSL)
t
h(HRDYH-DSL)
Setup time, UHPI_HAS low before DS falling edge
Hold time, UHPI_HAS low after DS falling edge
Setup time, HAD valid before UHPI_HAS falling edge
Hold time, HAD valid after UHPI_HAS falling edge
Pulse duration, DS low
Pulse duration, DS high
Setup time, HAD valid before DS falling edge
Hold time, HAD valid after DS falling edge
Setup time, HD valid before DS rising edge
Hold time, HD valid after DS rising edge
Setup time, UHPI_HCS low before DS falling edge
Hold time, DS low after UHPI_HRDY rising edge
5
2
5
5
15
2P
5
5
5
0
0
1
(1)
(2)
P = SYSCLK2 period
DS refers to HSTROBE. HD refers to UHPI_HD[31:0]. HDS refers to UHPI_HDS[1] or UHPI_HDS[2]. HAD refers to UHPI_HCNTL[0],
UHPI_HCNTL[1], UHPI_HHWIL, and UHPI_HRW.
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Peripheral and Electrical Specifications
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