CCU 3000, CCU 3000-I
CCU 3001, CCU 3001-I
3. Definitions
21AH
21CH
21DH
21EH
21FH
220H
221H
IM-Bus 1 slave 3, IM-Bus address 04
Interrupt controller control byte
Interrupt controller return byte
Interrupt controller priorities source 0 & 1
Interrupt controller priorities source 2 & 3
Interrupt controller priorities source 4 & 5
Interrupt controller priorities source 6 & 7
3.1. Interrupt Definitions
Interrupt
Source
Vector (low, high byte)
0
1
2
TIMER1
TIMER2
TIMER3
FFF6, FFF7
FFF4, FFF5
FFF2, FFF3
222H
223H
224H
225H
226H
228H
229H
22AH
22BH
Timer 1 control byte 1
Timer 1 control byte 2
Timer 1 control byte 3
Timer 1 prescaler low byte
Timer 1 prescaler high byte
Timer 1 accu low byte
Timer 1 accu high byte
Timer 1 adder low byte
Timer 1 adder high byte
3
4
5
6
IM-BUS1, Master FFF0, FFF1
IM-BUS1, Slave FFEE, FFEF
IM-BUS2, Master FFEC, FFED
IM-BUS2, Slave FFEA, FFEB
7
P87
FFE8, FFE9
FFFC, FFFD
RESET
22CH
22DH
22EH
22FH
230H
232H
233H
234H
235H
Timer 2 control byte 1
Timer 2 control byte 2
Timer 2 control byte 3
Timer 2 prescaler low byte
Timer 2 prescaler high byte
Timer 2 accu low byte
Timer 2 accu high byte
Timer 2 adder low byte
Timer 2 adder high byte
3.2. Memory Mappings
RAM
ROM
0000H to 01FFH Page 0, 1
0300H to 063FH Page 3, 4, 5, 6
8000H to FFFFH (CCU3001 only)
Control
byte
FFF9
I/O
0200 to 02FF
236H
237H
238H
239H
23AH
23CH
23DH
23EH
23FH
Timer 3 control byte 1
Timer 3 control byte 2
Timer 3 control byte 3
Timer 3 prescaler low byte
Timer 3 prescaler high byte
Timer 3 accu low byte
Timer 3 accu high byte
Timer 3 adder low byte
Timer 3 adder high byte
3.3. I/O Definitions
Address
Function
200H
201H
202H
203H
204H
205H
206H
207H
208H
209H
20AH
20BH
20CH
20DH
20FH
210H
211H
213H
214H
215H
216H
218H
Clock frequency
Control register
Watchdog
Port 1 Data
Direction Register Port 1
Port 2 Data
Direction Register Port 2
Port 3 Data
Direction Register Port 3
Port 4 Data
Port 5 Mode Register
Port 5 Direction Register
Port 5 Data
240H
241H
242H
243H
244H
245H
246H
247H
249H
24AH
24BH
24CH
24EH
250H
2E0H
to 2E7H
2FEH
2FFH
Port 6 Data
Direction Register Port 6
Port 7 Data
Direction Register Port 7
Port 8 Data
Direction Register Port 8
IM-Bus 2 control & status
IM-Bus 2 transfer rate
IM-Bus 2 master address
IM-Bus 2 master data low
IM-bus 2 master data high
IM-bus 2 slave 1, IM address 02
IM-bus 2 slave 2, IM address 03
IM-bus 2 slave 3, IM address 04
External addresses, used for EMU boards
IR-Input
Port 7 Mode Register
IM-Bus 1 control and status
IM-Bus 1 data transfer rate
IM-Bus 1 master address
IM-Bus 1 master data low byte
IM-Bus 1 master data high byte
IM-Bus 1 slave 1, IM address 02
IM-Bus 1 slave 2, IM-Bus address 03
Reserved, do not use
Reserved for testing purposes
22
MICRONAS INTERMETALL
MICRONAS [ MICRONAS ]
