Template:Signals: Difference between revisions

Revision as of 04:43, 8 January 2013

Address Buses
A0-A23	M68K Address Bus
ZA0-ZA15	Z80 Address bus
Data Buses
D0-D15	M68K Data bus
ZD0-ZD7	Z80 Data bus
IO port lines
EM1X	Port 1 lines
EM2X	Port 2 lines
EM3X	Port 3 lines
Control lines
/CAS0	Active low, read on $000000-$DFFFFF region
/DISK	0V Expansion Unit connected
FREQ	5V = 60Hz, 0V = 50Hz
/FRES
LANG	5V = English, 0V = Japanese
/LWR	Lower byte WRite
/M3	Mark III compatibility mode
Clock lines
MCLK	Master Clock
VCLK	68K clock
ZCLK	Z80 clock
EDCLK	Unknown clock

@@ Line 51: / Line 51: @@
 |-
 |style="background-color:#ff6633" colspan="2"|Clock lines
+|-
+|MCLK
+|Master Clock
 |-
 |VCLK
 |68K clock
+|-
+|ZCLK
+|Z80 clock
+|-
+|EDCLK
+|Unknown clock
 |}