Ciprico Rimfire 3880 ユーザーズマニュアル
User’s Guide
21020285 D
Chapter 2 Hardware Essentials
Descriptions of Port Usage
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Descriptions of
Port Usage
Port Usage
The following describes port usage. Assume that the adapter address jumpers
are set to a base address of EE00H.
are set to a base address of EE00H.
Issuing a Reset
— Write to Reset Port at address EE18H. The RF3880 will
begin executing self-test. Read the Status Port at address EE10H to find when
self-test completes.
self-test completes.
Issuing a Single Command
— Write three words to the Address Buffer
Port at address EE00H. These words select system bus width/swapping options
as well as the Address Modifier and memory address of the Single Command.
To begin command execution, issue a Single Command Channel Attention by
writing a 0 to Channel Attention Port at address EE08H. Read Status Port at
EE10H to check for Enter condition before issuing the next command.
as well as the Address Modifier and memory address of the Single Command.
To begin command execution, issue a Single Command Channel Attention by
writing a 0 to Channel Attention Port at address EE08H. Read Status Port at
EE10H to check for Enter condition before issuing the next command.
Issuing a Command List
— Once an active Command List has been
established, write a 1 to the Channel Attention Port (address EE08H) for a
Command List Channel Attention after the new commands are added to the list
Command List Channel Attention after the new commands are added to the list
Acknowledging Target Mode Selection
— Write a 2 to the Channel
Attention port (address EE08H) to indicate that target data has been read by
Host.
Host.
Read Board Command Status
— Read the Status Port at address EE10H
to find the current status of the adapter.