Z8018533FSC View Datasheet(PDF) - Zilog

Part Name

Description

Manufacturer

Z8018533FSC

SMART PERIPHERAL CONTROLLERS

Zilog 

Zilog

PRELIMINARY

SYSTEM CONTROL REGISTERS

Z80185/Z80195

SMART PERIPHERAL CONTROLLERS

IL

Addr 33H

Bit

IL7 IL6 IL5 -

-

-

-

-

Upon Reset

00000000

R/W

R/W R/W R/W

Interrupt Vector Low

Figure 57. Interrupt Vector Low Register

ITC

Bit

TRAP UFO -

-

Upon Reset

0011

R/W R/W R

Addr 34H

- ITE2 ITE1 ITE0

1001

R/W R/W R/W

Figure 58. INT/TRAP Control Register

/INT Enable 2, 1, 0

Undefined Fetch Object

TRAP

RCR

Addr 36H

Bit

REFE REFW -

-

-

- CYC1 CYC0

Upon Reset

1

1

1

1

1

1

0

0

R/W

R/W R/W

R/W R/W

Cycle Select

Refresh Wait State

Refresh Enable

CYC1, 0 Interval of Refresh Cycle

00

10 states

01

20 states

10

40 states

11

80 states

Figure 59. Refresh Control Register

50

DS971850301

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