參數(shù)資料
型號(hào)： 20-101-0673
廠商： Rabbit Semiconductor
文件頁數(shù)： 102/136頁
文件大?。?/td> 0K
描述： MODULE RABBITCORE RCM3610
標(biāo)準(zhǔn)包裝： 1
系列： RabbitCore®
模塊/板類型： MPU 核心模塊
適用于相關(guān)產(chǎn)品： RCM3610
產(chǎn)品目錄頁面： 620 (CN2011-ZH PDF)
其它名稱： 316-1103
62
RabbitCore RCM3600
Table A-4 lists the delays in gross memory access time.
The measurements are taken at the 50% points under the following conditions.
T = -40°C to 85°C, V = VDD ±10%
Internal clock to nonloaded CLK pin delay
≤ 1 ns @ 85°C/3.0 V
The clock to address output delays are similar, and apply to the following delays.
Tadr, the clock to address delay
TCSx, the clock to memory chip select delay
TIOCSx, the clock to I/O chip select delay
TIORD, the clock to I/O read strobe delay
TIOWR, the clock to I/O write strobe delay
TBUFEN, the clock to I/O buffer enable delay
The data setup time delays are similar for both Tsetup and Thold.
When the spectrum spreader and the clock doubler are both enabled, every other clock
cycle is shortened (sometimes lengthened) by a maximum amount given in Table A-4
above. The shortening takes place by shortening the high part of the clock. If the doubler
is not enabled, then every clock is shortened during the low part of the clock period. The
maximum shortening for a pair of clocks combined is shown in Table A-4.
Technical Note TN227, Interfacing External I/O with Rabbit 2000/3000 Designs, con-
tains suggestions for interfacing I/O devices to the Rabbit 3000 microprocessors.
Table A-4. Data and Clock Delays VIN ±10%, Temp, -40°C–+85°C (maximum)
VIN
Clock to Address Output Delay
(ns)
Data Setup
Time Delay
(ns)
Spectrum Spreader Delay
(ns)
30 pF
60 pF
90 pF
Normal
no dbl/dbl
Strong
no dbl/dbl
3.3 V
6
8
11
1
3/4.5
4.5/9
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