Z85233 Datasheet, PDF (302/317 Pages) Zilog, Inc. – The Zilog SCC Serial Communication Controller

Application Note
Interfacing the ISCC™ to the 68000 and 8086
/RESET
/UDS
/LDS
/DTACK
D15-0
A23-1
68000
R//W
FC2
FC1
FC0
/IPL2
/IPL1
/IPL0
/BGACK
BG
/BR
Vcc
/UDS
/RESET
/DS
Vcc
/RD
/BGACK
/BGACK
Vcc
/WR
WAIT/RDY
AD15-AD0
/OE
A23-16
QD
Latch
/OE
A0
Latch
A15-1
QD
Vcc
Vcc
16C35
Address
Decode
A2
A1
/BGACK
/AS
/UAS
A1/A/B
A0/SCC/DMA
/CS
R//W
/INTACK
Interrupt
Priority
/BGACK
Bus
Arbitration
Logic
/INT
/BUSREQ
/BUSACK
Figure 3. ISCC Interface to a 68000 Microprocessor
UM010901-0601
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