参数资料
型号: HB28H016RM2
英文描述: IC Memory CompactFlash /PC-ATA Standard Users Manual/Device
中文描述: 集成电路记忆的CompactFlash / PC的ATA标准用户手册/设备
文件页数: 63/103页
文件大小: 466K
代理商: HB28H016RM2
57
Register Name:
Configuration Option
Address:
200h in attribute memory
Use:
Card mode setting, interrupt level setting, software reset
Operation
D7
D6
D5
D4
D3
D2
D1
D0
R/W
SRESET LevIREQ
Conf5
Conf4
Conf3
Conf2
Conf1
Conf0
Conf0–5:
The host can set the card access mode by making settings as shown in the
following table.
Conf2–5
Conf1
Conf0
Memory
0
0
0
Contiguous I/O
0
0
1
Primary I/O
0
1
0
Secondary I/O
Note:
0
1
1
Conf2–5 must always be cleared to 0.
LevelREQ:
This bit is used to switch the interrupt signal mode.
0: Pulse mode interrupts
1: Level mode interrupts
SRESET:
This bit can be used to execute a software reset.
1. Set SRESET bit (D7) to 1:
2. Wait for time required for reset: 250 ms or more
3. Clear SRESET bit (D7) to 0:
The reset is not cleared unless SRESET is cleared to 0.
This differs from the case of hardware reset execution.
Reset executed
Reset cleared
A reset clears all configuration register bits.
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HB28B064A8H Q&A on Hitachi CF and ATA Card Application Notes/Q&A
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