Z80182 Zilog., Z80182 Datasheet - Page 43

• Manufacturer Part Number: Z80182
• Description: Z8018x Family MPU
• Manufacturer: Zilog.

SYSTEM CONTROL REGISTERS
DS971820600
Zilog
Upon Reset
Upon Reset
Upon Reset
R/W
R/W
Bit
Bit
R/W
Bit
RCR
IL
REFE REFW
CYC1, 0
R/W
R/W
IL7
ITC
TRAP UFO
0
R/W
1
00
01
10
11
0
R/W
R/W
IL6
0
1
R
0
Interval of Refresh Cycle
Figure 46. Interrupt Vector Low Register
Figure 47. INT/TRAP Control Register
R/W
IL5
Figure 48. Refresh Control Register
0
1
-
1
10 states
20 states
40 states
80 states
-
P R E L I M I N A R Y
0
1
-
-
1
-
0
1
-
-
-
1
0
ITE2
1
-
R/W
-
0
CYC1 CYC0
R/W
0
ITE1
0
-
R/W
Addr 36H
0
Addr 33H
Addr 34H
R/W
0
ITE0
0
-
R/W
1
Interrupt Vector Low
Cycle Select
Refresh Wait State
Refresh Enable
/INT Enable 2, 1, 0
Undefined Fetch Object
TRAP
Z
ILOG
I
NTELLIGENT
Z80182/Z8L182
P
ERIPHERAL
3-43