MB86967 Datasheet, PDF (57/129 Pages) Fujitsu Component Limited. – LAN Controller with PC Card, ISA Bus, and General-purpose Bus Interfaces

MB86967
4. Register Arrangement
Registers accessible only in the ISA mode are listed below.
Register Name
E²PROM control
E²PROM data
I/O base address
Jumperless setting
Reserved
Reserved
Reserved
Reserved
Reset 0
Reset 1
Reset 2
Reset 3
Reset 4
Reset 5
Reset 6
Reset 7
Symbol
BMPR16
BMPR17
BMPR18
BMPR19
—
—
—
—
RES0
RES1
RES2
RES3
RES4
RES5
RES6
RES7
System Address
SA4 SA3 SA2 SA1
1
0
0
0
1
0
0
0
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
1
1
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
1
1
0
1
1
1
1
0
1
1
1
0
1
1
1
1
1
1
1
1
Register Bank
SA0 RBS1 RBS0
0
×
×
1
×
×
0
×
×
1
×
×
0
×
×
1
×
×
0
×
×
1
×
×
0
×
×
1
×
×
0
×
×
1
×
×
0
×
×
1
×
×
0
×
×
1
×
×
5. BMPR16: E²PROM Control Register
BMPR16 controls external E²PROM.
Read
Write
Initial Value
Bit 7
×
0
×
Bit 6
×
ESK
0
Bit 5
×
ECS
0
Bit 4
×
0
×
Bit 3
×
0
×
Bit 2
×
0
×
Bit 1
×
0
×
Bit 0
×
0
×
Bit no. Bit name
7 Not used
6 ESK
5 ECS
4 to 0 Not used
Operation
Read
Write
Read
Write
Read
Write
Read
Write
Value
—
0
—
—
—
—
—
0
Function
The read value of this bit is undefined.
Always write 0 to this bit at writing.
The read value of this bit is undefined.
Shift clocks to E²PROM are generated by repeatedly writing
1 or 0 to this bit.
The read value of this bit is undefined.
When 1 is written to this bit, the E²PROM chip select signal is
asserted.
When 0 is written to this bit, the E²PROM chip select signal is
negated.
The read values of these bits are undefined.
Always write 0s to these bits at writing.
57