參數(shù)資料
型號(hào): MB86604LPFV
元件分類: 總線控制器
英文描述: SCSI BUS CONTROLLER, PQFP100
封裝: PLASTIC, LQFP-100
文件頁數(shù): 2/56頁
文件大小: 382K
代理商: MB86604LPFV
10
MB86604L
5.
Register
The main registers are listed.
Command register
Command is specified by an 8-bit code.
Specifies the program head address assigned to the user program memory for user program applications.
Chip status register
Shows the chip's operating state, nexus counterpart ID, and data register state.
SCSI bus status register
Shows the SCSI control signal state.
Interrupt status register
Shows 8-bit code.
Command step register
Shows 8-bit code indicating the command execution state.
Error analysis can be performed by referring to the information in this register and the interrupt status register.
Group 6/7 command length setting register
Sets the group 6/7 command length which is undefined by the SCSI standard.
By setting the command length in this register, the SPC can determine the command length.
6.
Receive-MCS Buffer
A receive only, 32-byte data buffer which stores information received via SCSI (message, command, status)
M: Message, C: Command, S: Status
7.
Send-MCS Buffer
A send only, 32-byte data buffer which stores information sent via SCSI (message, command, status)
8.
Command User Program Memory
Program memory used for establishing programmable commands (256 bytes).
9.
Data Register
FIFO-type data register which stores data in SCSI data phase (32 bytes).
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