Z80185 Datasheet, PDF (79/95 Pages) Zilog, Inc. – SMART PERIPHERAL CONTROLLERS

Zilog
PRELIMINARY
Z80185 CTC, AND MISCELLANEOUS REGISTERS
The following section describes miscellaneous registers
that control the Z80185 configuration, including RAM/
ROM registers, Interrupt and various Status and Timer
registers.
Z80185/Z80195
SMART PERIPHERAL CONTROLLES
Register Name
WSG Chip Select Register
PIA1/CTC Pin Select Register
Interrupt Edge Control
PIA 1 Data Direction Register
PIA 1 Data Register
PIA 2 Data Direction Register
PIA 2 Data Register
CTC Channel 0 Control Register
CTC Channel 1 Control Register
CTC Channel 2 Control Register
CTC Channel 3 Control Register
I/O Addr/Access
%D8 R/W
%DE R/W
%DF R/W
%E0 R/W
%E1 R/W
%E2 R/W
%E3 R/W
%E4 R/W
%E5 R/W
%E6 R/W
%E7 R/W
Register Name
EMSCC Control Register
EMSCC Data Register
RAMUBR RAM Upper Boundary Reg
RAMLBR RAM Lower Boundary Reg
ROM Address Boundary Reg.
System Configuration Reg.
PIA 2 Data Alternate Address
WDT Master Register
WDT Command Register
I/O Addr/Access
%E8 R/W
%E9 R/W
%EA R/W
%EB R/W
%EC R/W
%ED R/W
%EE R/W
%F0 R/W
%F1 WO
DS971850301
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