參數(shù)資料
型號(hào): TMPR3904AF
廠商: Toshiba Corporation
英文描述: 32 Bit TX39 Family System RISC Microprocessor(32位TX39系列簡化指令系統(tǒng)計(jì)算機(jī)微處理器)
中文描述: 32位TX39家庭系統(tǒng)RISC微處理器(32位TX39系列簡化指令系統(tǒng)計(jì)算機(jī)微處理器)
文件頁數(shù): 23/28頁
文件大小: 209K
代理商: TMPR3904AF
INTEGRATED CIRCUIT
TECHNICAL DATA
TOSIBA RISC PROCESSOR
TMPR3904AF
EJC-TMPR3904AF-23
14-Dec-1998
TOSHIBA CORPORATION
A[31:1]
BE[3:0]*
LAST*
t20
t22
SYSCLK
t20
t20
t20
BSTART*
t22
R/W*
t20
t22
BUSREQ*
BUSGNT*
HAVEIT*
t13
t15
t17
t22
t22
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z *2
Hi-Z *2
Note 1: A period from asserting BUSREQ* to replying BUSGNT* varies by the status of the TX3904A.
Note 2: When the external bus master uses on-chip DRAMC or ROMC, the external bus master must
stop driving A[31:1] and BE[3:0]* at a rising of BSTART*.
TX3904A cycle
External bus master cycle
t23
t23
t23
t23
t23
t45
Release of bus ownership and External bus master cycle (Full speed bus mode)
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