參數(shù)資料
型號(hào)： TMPR4955
廠商： Toshiba Corporation
英文描述： 64-bit RISC (Reduced Instruction Set Computer) microprocessor(64位精簡(jiǎn)指令集系統(tǒng)計(jì)算機(jī)微處理器)
中文描述： 64位RISC（精簡(jiǎn)指令集計(jì)算機(jī)）微處理器（64位精簡(jiǎn)指令集系統(tǒng)計(jì)算機(jī)微處理器）
文件頁(yè)數(shù)： 7/60頁(yè)
文件大?。?/td> 244K
代理商： TMPR4955
TOSHIBA
TENTATIVE
TMPR4955/56
20-Oct.-1999
7
4.3
PIN FUNCTION
The following is a list of interface, interrupt, and miscellaneous pins available on the
TMPR4955/56F.
4.3.1 SYSTEM INTERFACE
PIN NAME
I / O
FUNCTION
SysAD(63:0)
I / O
System address / data bus
A 64-bit address and data bus for communication between the processor and
an external agent. (TX4955 is 32-bit)
System command / data identifier bus
A 9-bit bus for command and data identifier transmission between the
processor and an external agent.
System command/data check bus (TX4955 is 4-bit)
An 8-bit bus containing parity check bits for the SysAD bus during data cycles.
Reserved for system command/data identifier bus parity
For the TX4956 this signal is unused on input and zero on output.
Valid input
The external agent asserts ValidIn* when it is driving a valid address or data on
the SysAD bus and a valid command or data identifier on the SysCmd bus.
Valid output
The processor asserts ValidOut* when it is driving a valid address or data on
the SysAD bus and a valid command or data identifier on the SysCmd bus.
External request
An external agent asserts ExtRqst* to request use of the System interface.
Release interface
Signals that the system interface needs to submit an external request.
Write Ready
Signals that an external agent can now accept a processor write request.
Read Ready
Signals that an external agent can now accept a processor read request.
SysCmd(8:0)
I / O
SysADC(7:0)
I / O
SysCmdP
I / O
ValidIn*
I
ValidOut*
O
ExtRqst*
I
Release*
O
WrRdy*
I
RdRdy*
I
相關(guān)PDF資料
PDF描述
TMPR4956F 64-bit RISC (Reduced Instruction Set Computer) microprocessor(64位精簡(jiǎn)指令集系統(tǒng)計(jì)算機(jī)微處理器)
TMPZ84C015AF C-MOS 8-BIT MICROPROCCESSOR
TMPZ84C61AP-6 TLCS-Z80 CGC : Z80 CLOCK GENERATOR/CONTROLLER
TMS2716 2048-WORD BY 8-BIT ERASABLE PROGRAMMABLE READ-ONLY MEMORIES
TMS2716-30 2048-WORD BY 8-BIT ERASABLE PROGRAMMABLE READ-ONLY MEMORIES
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TMPR4955A 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:64-Bit TX System RISC TX49 Family
TMPR4955AF 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:64-Bit TX System RISC TX49 Family
TMPR4955AF-167 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller
TMPR4955AF-200 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MICROPROCESSOR|64-BIT|CMOS|QFP|160PIN|PLASTIC
TMPR4955B 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:64-Bit TX System RISC TX49 Family
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