參數(shù)資料
型號(hào): TMS320LC31-40
元件分類: 數(shù)字信號(hào)處理
英文描述: Digital Signal Processor
中文描述: 數(shù)字信號(hào)處理器
文件頁數(shù): 32/48頁
文件大?。?/td> 636K
代理商: TMS320LC31-40
TMS320C31, TMS320LC31
DIGITAL SIGNAL PROCESSORS
SPRS035B – MARCH 1996 – REVISED JANUARY 1999
32
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
serial-port timing parameters for TMS320C31-33 and TMS320LC31-33 (see Figure 25 and Figure 26)
NO.
’LC31-33
UNIT
MIN
MAX
54
td(H1H-SCK)
Delay time, H1 high to internal CLKX/R
15
ns
55
t(SCK)
tc(SCK)
Cycle time CLKX/R
Cycle time, CLKX/R
CLKX/R ext
tc(H)x2.6
tc(H)x2
tc(H)+12
ns
CLKX/R int
tc(H)x2
32
56
t(SCK)
tw(SCK)
Pulse duration CLKX/R high/low
Pulse duration, CLKX/R high/low
CLKX/R ext
ns
CLKX/R int
[tc(SCK)/2]–15
[tc(SCK)/2]+5
57
tr(SCK)
tf(SCK)
Rise time, CLKX/R
8
ns
58
Fall time, CLKX/R
8
ns
59
td(C DX)
td(C-DX)
Delay time CLKX to DX valid
Delay time, CLKX to DX valid
CLKX ext
35
ns
CLKX int
20
60
tsu(DR-CLKRL)
(DR CLKRL)
Setup time DR before CLKR low
Setup time, DR before CLKR low
CLKR ext
10
ns
CLKR int
25
61
th(CLKRL DR)
th(CLKRL-DR)
Hold time DR from CLKR low
Hold time, DR from CLKR low
CLKR ext
10
ns
CLKR int
0
62
td(C FSX)
td(C-FSX)
Delay time CLKX to internal FSX high/low
Delay time, CLKX to internal FSX high/low
CLKX ext
32
ns
CLKX int
17
63
tsu(FSR-CLKRL)
(FSR CLKRL)
Setup time FSR before CLKR low
Setup time, FSR before CLKR low
CLKR ext
10
ns
CLKR int
10
64
th(SCKL FS)
th(SCKL-FS)
Hold time FSX/R input from CLKX/R low
Hold time, FSX/R input from CLKX/R low
CLKX/R ext
10
ns
CLKX/R int
0
65
tsu(FSX-C)
(FSX C)
Setup time external FSX before CLKX
Setup time, external FSX before CLKX
CLKX ext
–[tc(H)–8]
[tc(H)–21]
[tc(SCK)/2]–10
tc(SCK)/2
36
21
36
ns
CLKX int
66
td(CH DX)V
td(CH-DX)V
Delay time, CLKX to first DX bit, FSX
precedes CLKX high
CLKX ext
ns
CLKX int
67
td(FSX-DX)V
Delay time, FSX to first DX bit, CLKX precedes FSX
ns
68
td(CH-DXZ)
Delay time, CLKX high to DX high impedance following last data
bit
This value is characterized but not tested
20
ns
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