參數(shù)資料
型號: TMPR3907F
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): 9/30頁
文件大小: 246K
代理商: TMPR3907F
1998-07-01 9/29
TMPR3907F
TENTATIVE
TX3907 initial setting signals
These initial setting input signals use same pins as those for ROMA signals. The signals are loaded to the TX3907 on the
RESET* signal rising edge and are used for the TX3907 initial settings. The signals are all pulled up internally.
Initial Setting
Signals
ROMA
Function
BOOT16*
ROMA[23]
Boot 16 bits
Sets the boot ROM (channel 0) bus width.
High:
32 bits
Low:
16 bits
BOOTIL*
ROMA[22]
Boot interleave
Sets the boot ROM (channel 0) mode.
High:
Non interleave
Low:
Interleave
PCICLKIN*
ROMA[21]
PCICLK input
Sets the PCI clock input/output.
High:
Sets the PCI clock as an output signal.
Low:
Sets the PCI clock as an input signal.
SYSCLKEN
ROMA[20]
SYSCLK enable
Sets the SYSCLK output.
High:
Outputs SYSCLK.
Low:
Does not output SYSCLK (set to Hi-Z).
ENDIAN
ROMA[19]
Endian
Sets the endian. Used fixed to big endian.
High:
Big endian
Low:
Reserved
BOOTPG*
ROMA[18]
Boot page
Sets the type of boot ROM (channel 0).
High:
Non-Page mode ROM
Low:
Page mode ROM
HALF*
ROMA[17]
Half
Sets the bus speed.
High:
Full-Speed Bus mode
Low:
Half-Speed Bus mode
DPM[4:0]
ROMA[16:12]
Debug Port mode
Sets how the eight debugging port pin signals are used.
11111:
Real-time debug system signal
11110:
SIO signal
11101 to 00000: Reserved
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