Z80181 Zilog., Z80181 Datasheet - Page 31

• Manufacturer Part Number: Z80181
• Description: SMART ACCESS CONTROLLER (SAC)
• Manufacturer: Zilog.

Zilog
DS971800500
Upon Reset
Upon Reset
R/W
R/W
Bit
Bit
Note: This register has to be programmed as 0x0xxxxxb(x:don't care) as a part of Initialization.
OMCR
ICR
M1E
IOA7
R/W
R/W
1
0
/M1TE
IOA6
R/W
W
Figure 44. Operation Mode Control Register
1
0
IOSTP
/IOC
R/W
R/W
Figure 45. I/O Control Register
1
0
1
-
1
-
1
-
1
-
1
-
1
-
1
-
1
-
Addr 3Eh
Addr 3Fh
1
-
1
-
I/O Compatibility
/M1 Temporary Enable
/M1 Enable
I/O Stop
I/O Address
Combination of 11
is reserved
S
MART
A
CCESS
C
ONTROLLER
Z80181
2-31
SAC
™