mc68ec020 Freescale Semiconductor, Inc, mc68ec020 Datasheet - Page 261

• Manufacturer Part Number: mc68ec020
• Description: Microprocessors
• Manufacturer: Freescale Semiconductor, Inc

MOTOROLA
*
For the MC68EC020, A23–A2.
MC68020/EC020
Figure 9-5. Example MC68020/EC020 Byte Select PAL System Configuration
D31–D0
*
A31–A2
SIZ0
SIZ1
R/W
FC0
FC1
AS
A0
A1
MC74F00
A21–A18
CPU
*
A31–A2
PAL16L8
M68020 USER’S MANUAL
UUDA
UMDA
UMDB
UUDB
LMDA
LMDB
LLDA
LLDB
32-BIT PORT
MC74F32
MCM60256A
W
D7–D0
E
MC74F32
MCM60256A
W
D15–D8
E
UUDA
UMDA
LMDA
LLDA
MC74F32
W
MCM60256A
D23–D16
UNMAPPED BYTE
SELECTS FOR OTHER
32-BIT PORTS
E
MC74F32
W
MCM60256A
D31–D24
E
9-7