參數資料
型號: TMX320C6411AGLZ
廠商: Texas Instruments, Inc.
元件分類: 數字信號處理
英文描述: FIXED POINT DIGITAL SIGNAL PROCESSOR
中文描述: 定點數字信號處理器
文件頁數: 99/119頁
文件大?。?/td> 1742K
代理商: TMX320C6411AGLZ
SPRS196H MARCH 2002 REVISED JULY 2004
99
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
PERIPHERAL COMPONENT INTERCONNECT (PCI) TIMING
timing requirements for PCLK
(see Figure 47)
NO.
300
MIN
UNIT
MAX
1
tc(PCLK)
tw(PCLKH)
tw(PCLKL)
tsr(PCLK)
Cycle time, PCLK
30(or 8P§)
ns
2
Pulse duration, PCLK high
11
ns
3
Pulse duration, PCLK low
v/
t slew rate, PCLK
11
ns
4
1
4
V/ns
For 3.3 V operation, the reference points for the rise and fall transitions are measured at VILP MAX and VIHP MIN.
P = 1/CPU clock frequency in ns. For example when running parts at 300 MHz,
use P = 3.33 ns.
§Select the parameter value of 30 ns or 8P, whichever is greater.
PCLK
1
2
3
4
4
0.4 DVDD V MIN
Peak to Peak for
3.3V signaling
Figure 47. PCLK Timing
timing requirements for PCI reset (see Figure 48)
NO.
300
UNIT
MIN
MAX
1
tw(PRST)
tsu(PCLKA-PRSTH)
Pulse duration, PRST
1
ms
μ
s
2
Setup time, PCLK active before PRST high
100
PRST
PCLK
2
1
Figure 48. PCI Reset (PRST) Timing
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