參數(shù)資料
型號(hào): MB86603
廠商: FUJITSU LTD
元件分類: 總線控制器
英文描述: Communication Control SCSI-II Protocol Controller(通信控制SCSI-II協(xié)議控制器)
中文描述: SCSI BUS CONTROLLER, PQFP176
封裝: PLASTIC, SQFP-176
文件頁數(shù): 11/58頁
文件大?。?/td> 401K
代理商: MB86603
11
MB86603
(Continued)
* :The pin symbols in parentheses are the ones when the MODE input is Low.
Pin No.
Pin Symbol*
Pin Name
I/O
Function
171
INT (INT)
Interrupt Request
O
This is used for output of interrupt request signals.
In the 80-series mode, the signal is Active High.
In the 68-series mode, the signal is Active Low.
When SPC BSY = 1 (bit 6 of SPC status register = 1), this sig-
nal is not active.
Therefore, this signal becomes inactive when a command is
issued to the SPC at active, or when the SPC BSY goes to 1
after automatically starting the operation.
This signal becomes inactive as soon as the first interrupt
code is read, even if more than one interrupt is held.
172
MODE
Mode
I
This is used to input signals specifying the type of MPU
and DMA buses.
A High level is input in the 80-series mode.
A Low level is input in the 68-series mode.
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