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| 型號(hào)： | TMP320C6202BGLZ167 |
| 廠商： | Texas Instruments, Inc. |
| 元件分類(lèi)： | 數(shù)字信號(hào)處理 |
| 英文描述： | FIXED-POINT DIGITAL SIGNAL PROCESSORS |
| 中文描述： | 定點(diǎn)數(shù)字信號(hào)處理器 |
| 文件頁(yè)數(shù)： | 58/83頁(yè) |
| 文件大小： | 1176K |
| 代理商： | TMP320C6202BGLZ167 |
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TMS320C6211, TMS320C6211B
FIXED-POINT DIGITAL SIGNAL PROCESSORS
SPRS073K
AUGUST 1998
REVISED MARCH 2004
58
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251
1443
HOLD/HOLDA TIMING
timing requirements for the HOLD/HOLDA cycles
(see Figure 29)
NO.
150
167
UNIT
MIN
MAX
3
t
oh(HOLDAL-HOLDL)
Output hold time, HOLD low after HOLDA low
E
ns
E = ECLKIN period in ns
switching characteristics over recommended operating conditions for the HOLD/HOLDA cycles
(see Figure 29)
NO.
PARAMETER
150
167
UNIT
MIN
2E
MAX
1
2
4
5
t
d(HOLDL-EMHZ)
t
d(EMHZ-HOLDAL)
t
d(HOLDH-EMLZ)
t
d(EMLZ-HOLDAH)
Delay time, HOLD low to EMIF Bus high impedance
Delay time, EMIF Bus high impedance to HOLDA low
Delay time, HOLD high to EMIF Bus low impedance
Delay time, EMIF Bus low impedance to HOLDA high
§
ns
ns
ns
ns
0
2E
7E
2E
2E
0
E = ECLKIN period in ns
EMIF Bus consists of CE[3:0], BE[3:0], ED[31:0], EA[21:2], ARE/SDCAS/SSADS, AOE/SDRAS/SSOE, and AWE/SDWE/SSWE.
§
All pending EMIF transactions are allowed to complete before HOLDA is asserted. If no bus transactions are occurring, then the minimum delay
time can be achieved. Also, bus hold can be indefinitely delayed by setting NOHOLD = 1.
HOLD
HOLDA
EMIF Bus
DSP Owns Bus
External Requestor
Owns Bus
DSP Owns Bus
C6211/C6211B
C6211/C6211B
1
3
2
5
4
EMIF Bus consists of CE[3:0], BE[3:0], ED[31:0], EA[21:2], ARE/SDCAS/SSADS, AOE/SDRAS/SSOE, and AWE/SDWE/SSWE.
Figure 29. HOLD/HOLDA Timing
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