參數(shù)資料
型號: TMX320VC5509AGHH
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號處理
英文描述: TMS320VC5509A Fixed-Point Digital Signal Processor
中文描述: TMS320VC5509A定點數(shù)字信號處理器
文件頁數(shù): 110/144頁
文件大?。?/td> 1603K
代理商: TMX320VC5509AGHH
Electrical Specifications
110
November 2002 Revised January 2005
SPRS205D
5.13 TIN/TOUT Timings (Timer0 Only)
Table 521 and Table 522 assume testing over recommended operating conditions (see Figure 522 and
Figure 523).
Table 521. TIN/TOUT Pins Configured as Inputs Timing Requirements
NO.
CV
DD
= 1.2 V
CV
DD
= 1.35 V
MIN
CV
DD
= 1.6 V
UNIT
MAX
MIN
MAX
T4
t
w(TIN/TOUTL)
t
w(TIN/TOUTH)
Pulse width, TIN/TOUT low
2P + 1
2P + 1
ns
T5
Pulse width, TIN/TOUT high
2P + 1
2P + 1
ns
P = 1/CPU clock frequency. For example, when running parts at 200 MHz, use P = 5 ns.
Only the Timer0 signal is externally available. The Timer1 signal is internally terminated and is not available for external use.
Table 522. TIN/TOUT Pins Configured as Outputs Switching Characteristics
§
NO.
PARAMETER
CV
DD
= 1.2 V
CV
DD
= 1.35 V
MIN
CV
DD
= 1.6 V
UNIT
MAX
MIN
MAX
T1
t
d(COH-TIN/TOUTH)
t
d(COH-TIN/TOUTL)
t
w(TIN/TOUT)
Delay time, CLKOUT high to TIN/TOUT high
1
3
1
3
ns
T2
Delay time, CLKOUT high to TIN/TOUT low
1
3
1
3
ns
T3
Pulse duration, TIN/TOUT (output)
P 1
P 1
ns
P = 1/CPU clock frequency. For example, when running parts at 200 MHz, use P = 5 ns.
Only the Timer0 signal is externally available. The Timer1 signal is internally terminated and is not available for external use.
§
For proper operation of the TIN/TOUT pin configured as an output, the timer period must be configured for at least 4 cycles.
TIN/TOUT
as Input
T5
T4
Figure 522. TIN/TOUT Timings When Configured as Inputs
TIN/TOUT
as Output
CLKOUT
T2
T3
T1
Figure 523. TIN/TOUT Timings When Configured as Outputs
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