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參數(shù)資料
| 型號： | Z53C8003VSC |
| 廠商： | ZILOG INC |
| 元件分類： | 總線控制器 |
| 英文描述： | SMALL COMPUTER SYSTEM INTERFACE (SCSI) |
| 中文描述： | SCSI BUS CONTROLLER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 8/40頁 |
| 文件大小： | 447K |
| 代理商： | Z53C8003VSC |
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8
Z53C80 SCSI
PS97SCC0200
Z
ILOG
FUNCTIONAL DESCRIPTION
(Continued)
Input Data Register.
Address 6(Read Only). The input
Data Register (Figure 7) is a read-only register that is used
to read latched data from the SCSI Bus. Data is latched
either during a DMA Target receive operation when /ACK
goes active or during a DMA Initiator receive when /REQ
goes active. The DMA Mode bit (Mode Register bit 1) must
be set before data can be latched in the Input Data
Register. This register is read under DMA control using
/RD and /DACK. Parity is optionally checked when the
Input Data Register is loaded.
Assert Data Bus
Assert /ATN
Assert /SEL
Assert /BSY
Assert /ACK
Lost Arbitration
Arbitration in Progress
Assert /RST
Address: 1
(Read Only)
D7 D6 D5 D4 D3 D2 D1 D0
Figure 8. Initiator Command Register
(Register Read)
/DB0
/DB1
/DB2
/DB3
/DB4
/DB5
/DB6
/DB7
Address: 6
(Read Only)
D7 D6 D5 D4 D3 D2 D1 D0
Figure 7. Input Data Register
Initiator Command Register.
Address 1 (Read/Write).
The Initiator Command Register (Figures 8 and 9) are read
and write registers which assert certain SCSI Bus signals,
monitors those signals, and monitors the progress of bus
arbitration. Many of these bits are significant only when
being used as an Initiator; however, most can be used
during Target role operation.
Assert Data Bus
Assert /ATN
Assert /SEL
Assert /BSY
Assert /ACK
"0"
Test Mode
Assert /RST
Address: 1
(Write Only)
D7 D6 D5 D4 D3 D2 D1 D0
Figure 9. Initiator Command Register
(Register Write)
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| Z53C8003VSC00TR | 功能描述:IC Z53C80 SCSI 44PLCC RoHS:否 類別:集成電路 (IC) >> 接口 - 信號終端器 系列:Z53C80 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:SCSI，SE 端子數(shù):9 電源電壓:4 V ~ 5.25 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:管件 |
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