5-3
Register: 0xFC20/0xFC28
Read Data (RDATA0/RDATA1)
Read/Write
DB[7:0]
8067 Read Data
[7:0]
The Read Data bits are read/write bits that contain data
to be transferred out on the associated 8067 port in
response to a read request at that port.
Register: 0xFC21/0xFC29
Write Data (WDATA0/WDATA1)
Read/Write
DB[7:0]
8067 Write Data
[7:0]
The Write Data registers are read/write registers that
contain data which is transferred in on the associated
8067 port in response to a write request at that port.
Register: 0xFC22/0xFC2A
Port Control/Status (PCST0/PCST1)
Read/Write
PME
Port Manual Enable
7
The microcontroller sets this bit to enable 8067 manual
mode for the associated port. When manual mode is
enabled the microcontroller has direct control over the
7
6
5
4
3
2
1
0
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
Defaults:
0
0
0
0
0
0
0
0
7
6
5
4
3
2
1
0
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
Defaults:
0
0
0
0
0
0
0
0
7
6
5
4
3
2
1
0
PME
R
BSY
RRF
WRF
RINT
WINT
Defaults:
0
0
0
0
0
0
0
0
Содержание Symbios SYM53C040
Страница 12: ...xii Preface...
Страница 90: ...4 18 SCSI and DMA Registers...
Страница 98: ...5 8 SFF 8067 Registers...
Страница 110: ...6 12 Two Wire Serial Registers...
Страница 126: ...7 16 Miscellaneous Registers...
Страница 160: ...8 34 System Registers...
Страница 184: ...9 24 Electrical Characteristics...
Страница 194: ...A 10 Register Summary...
Страница 214: ......