Epson S1R72104 Manuals

Manuals and User Guides for Epson S1R72104. We have 1 Epson S1R72104 manual available for free PDF download: Technical Manual

Epson S1R72104 Technical Manual

Epson S1R72104 Technical Manual (65 pages)

SCSI Interface Controller

Brand: Epson | Category: Controller | Size: 0.51 MB

Table of Contents

Table of Contents
4
Description
6
Features
6
Block Diagram
7
Pin Assignment
8
Pin Description
9
Functional Description
11
CPU Interface Circuit
11
Internal Registers
11
Port Interface Circuit
11
DMA Control Circuit
11
SCSI-2 Interface Circuit
11
PLL Circuit (Internal System Clock Generating Section)
12
Function of Registers
13
List of Registers
13
List of Registers/Bits
14
Detailed Description of each Register
15
Main Interrupt Status (MAININT) R/W
15
SCSI Interrupt Status 1 (SCSIINT1) R/W
16
SCSI Interrupt Status 2 (SCSIINT2) R/W
17
Reset (RESET) W
17
SCSI Mode Select0 (SCSIMODE0) R/W
18
SCSI Mode Select1 (SCSIMODE1) R/W
19
SCSI Control (SCSICTL) R/W
19
SCSI Data (SCSIDATA) R/W
20
Synchronize Transfer Mode (SYNCMODE) R/W
20
SCSI Own ID (OWNID) R/W
21
Source/Destination ID (SDID) R/W
21
Selection Timeout Counter (SLTIME) R/W
21
FIFO Control (FIFOCTL) R/W
21
FIFO Data (FIFODATA) R/W
22
Non DMA Transfer Size (NDMASIZ) R/W
22
SCSI Command (COMMAND) R/W
22
DMA Control (DMACTL) R/W
22
DMA Transfer Byte Count 2 (DTBC2) R/W
22
DMA Transfer Byte Count 1 (DTBC1) R/W
22
DMA Transfer Byte Count 0 (DTBC0) R/W
23
Config0 (Config0) R/W
23
Config1 (Config1) R/W
24
Test (TEST) R(/W)
25
Revision Reg. (REVISION) R
25
SCSI Control Commands
25
Control Commands and Command Codes
25
Description of each Control Command
26
Command Execution and State Transition
33
Others and Cautions about Operation
34
Electrical Characteristics
35
Absolute Maximum Ratings
35
Recommended Operational Conditions
35
DC Characteristics
35
AC Characteristics
38
CPU Interface
39
SCSI Interface
41
Port Interface
54
Others
58
Examples of Connection
61
External Dimensions Drawing
62

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