參數(shù)資料
型號： ARM610
廠商： Zarlink Semiconductor Inc.
英文描述： General purpose 32-bit microprocessor
中文描述： 通用32位微處理器
文件頁數(shù)： 127/173頁
文件大?。?/td> 897K
代理商： ARM610
Bus interface
ARM610 Data Sheet
10-3
Nonsequential accesses consist of an idle cycle followed by a memory cycle, and
sequential accesses consist simply of a memory cycle. In the case of a nonsequential
access, the address is valid throughout the idle cycle, allowing extra time for memory
decoding.
10.5 Read/Write
Memory accesses may be read or write, differentiated by the signal
has the same timing as the address, so is likewise pipelined, and refers to the following
cycle. In the case of a write, the ARM610 outputs data on the data bus during the
memory cycle. It becomes valid during
MCLK
cycle. In the case of a read, data is sampled at the end of the memory cycle.
not change during a sequential access, so if a read from address A is followed
immediately be a write to address (A+4), the write to address (A+4) will be a
nonsequential access.
nRW
. This signal
LOW, and is held until the end of the
nRW
may
10.6 Byte/Word
Likewise, any memory access may be of a word or a byte quantity. These are
differentiated by the signal
nBW
, which also has the same timing as the address, ie. it
becomes valid in the HIGH phase of
MCLK
refers.
nBW
LOW indicates a byte access. Again,
sequential accesses.
in the cycle before the one to which it
nBW
may not change during
10.7 Maximum Sequential Length
As explained above, the ARM610 will perform sequential memory accesses whenever
the cycle is of the same type (ie byte/word, read/write) as the previous cycle, and the
addresses are consecutive. However, sequential accesses are interrupted on a 256
word boundary. This is to allow the MMU to check the translation protection as the
address crosses a sub-page boundary. If a sequential access is performed over a 256
word boundary, the access to word 256 is simply turned into a nonsequential access,
and then further accesses continue sequentially as before.
Figure 10-1: One word read or write
MCLK
A[31:0]
nMREQ
WRITE
D[31:0]
D[31:0]
READ
相關(guān)PDF資料
PDF描述
ARM7TDMI 32-Bit Advanced RISC Machines(ARM) Microprocessor Core(32位ARM微處理器內(nèi)核芯片)
ART10012T 28V Input, Triple Output / HYBRID - HIGH RELIABILITY RADIATION HARDENED DC/DC CONVERTER
ART10015T 28V Input, Triple Output / HYBRID - HIGH RELIABILITY RADIATION HARDENED DC/DC CONVERTER
ART2812T 28V Input, Triple Output / HYBRID - HIGH RELIABILITY RADIATION HARDENED DC/DC CONVERTER
ART28XXT 28V Input, Triple Output / HYBRID - HIGH RELIABILITY RADIATION HARDENED DC/DC CONVERTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ARM7-009 制造商:Gravitech 功能描述:ARM7 LPC2378 W/2.8" TCH SCRN LCD BLU
ARM720T 制造商:未知廠家 制造商全稱:未知廠家 功能描述:General-purpose 32-bit Microprocessor with 8KB cache, enlarged Write buffer, and Memory Management Unit (MMU) combined in a single chip
ARM7DIMM-LPC2478 功能描述:模塊化系統(tǒng) - SOM LPC2478 ARM7 DIMM Module, Rev 2.2 RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲容量:8 MB, 16 MB 存儲類型:NOR Flash, SDRAM 接口類型:I2C, SPI, UART 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in
ARM7TDI 制造商:未知廠家 制造商全稱:未知廠家 功能描述:周立功的中文ARM7TDI文檔
ARM7TDMI 制造商:未知廠家 制造商全稱:未知廠家 功能描述:general purpose 32-bit microprocessors
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*