參數(shù)資料
型號(hào)： 376
廠商： Intel Corp.
英文描述： DIODE SCHOTTKY DUAL-DUAL SERIES 30V 200mW 0.38V-vf 200mA-IFM 1mA-IF 0.2uA-IR SOT-363 3K/REEL
中文描述： 376TM，高性能32位嵌入式處理器
文件頁(yè)數(shù)： 41/95頁(yè)
文件大?。?/td> 1293K
代理商： 376
376 EMBEDDED PROCESSOR
240182–19
Figure 4.4. Fastest Read Cycles with Non-Pipelined Timing
The fastest 80376 bus cycle requires only two bus
states. For example, three consecutive bus read cy-
cles, each consisting of two bus states, are shown
by Figure 4.4. The bus states in each cycle are
named T1 and T2. Any memory or I/O address may
be accessed by such a two-state bus cycle, if the
external hardware is fast enough.
Every bus cycle continues until it is acknowledged
by the external system hardware, using the 80376
READY input. Acknowledging the bus cycle at the
end of the first T2 results in the shortest bus cycle,
requiring only T1 and T2. If READY is not immedi-
ately asserted however, T2 states are repeated in-
definitely until the READY input is sampled active.
The pipelining option provides a choice of bus cycle
timings.
Pipelined
or
non-pipelined
cycles
are
selectable on a cycle-by-cycle basis with the Next
Address (NA) input.
When pipelining is selected the address (BHE, BLE
and A
23
–A
1
) and definition (W/R, D/C, M/IO and
LOCK) of the next cycle are available before the end
of the current cycle. To signal their availability, the
80376 address status output (ADS) is asserted. Fig-
ure 4.5 illustrates the fastest read cycles with pipe-
lined timing.
Note from Figure 4.5 the fastest bus cycles using
pipelining require only two bus states, named
T1P
and
T2P
. Therefore pipelined cycles allow the same
data bandwidth as non-pipelined cycles, but ad-
dress-to-data access time is increased by one
T-state time compared to that of a non-pipelined cy-
cle.
41
相關(guān)PDF資料
PDF描述
37LV128-TISN DIODE ZENER SINGLE 200mW 2.7Vz 5mA-Izt 0.0741 20uA-Ir 1 SOD-323 3K/REEL
37LV128-TL DIODE ZENER SINGLE 150mW 2.7Vz 5mA-Izt 0.074 20uA-Ir 1 SOD-523 3K/REEL
37LV128-TP DIODE/SM, ZEN 30V .5MA 0.41W +/-5% SOD-123
37LV128-TSN 36K, 64K, and 128K Serial EPROM Family
37LV128-IL 36K, 64K, and 128K Serial EPROM Family
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
376 制造商:Pro-Signal 功能描述:; Supply Voltage:28VDC; Lamp Base Type:M
37-6.8 制造商:Distributed By MCM 功能描述:Resistor 1/2W 6.8 Ohm Flameproof, Bag of 20 制造商:MCM 功能描述:1/2 Watt Flameproof Resistors, Resistance: 6.8 Ohm, Tolerance: 5 %, Quantity: 20 per bag
37-6.8K 制造商:Distributed By MCM 功能描述:Resistor 1/2W 6.8K Ohm Flameproof, Bag of 20 制造商:MCM 功能描述:RESISTOR 1/2W 6.8K OHM FLAMPRF20 PER BAG
376/377-1ZM 制造商:Rayovac 功能描述:SILVER ELECTRONIC BTRY 1PK MERCURY FREE
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