MC68020 Motorola, MC68020 Datasheet - Page 70

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MC68020

Manufacturer Part Number
MC68020
Description
(MC68020 / MC68EC020) MICROPROCESSORS USERS MANUAL
Manufacturer
Motorola
Datasheet

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SIZ1
SIZ0
R/W
A0
A1
Figure 5-18. Byte Enable Signal Generation for 16- and 32-Bit Ports
M68020 USER’S MANUAL
UUD
UMD
LMD
LLD
UD
LD
=
=
=
=
=
=
UPPER UPPER DATA (32-BIT PORT)
UPPER MIDDLE DATA (32-BIT PORT)
LOWER MIDDLE DATA (32-BIT PORT)
LOWER LOWER DATA (32-BIT PORT)
UPPER DATA (16-BIT PORT)
LOWER DATA (16-BIT PORT)
LLD
LD
LMD
UD
UUD
UMD
5- 23

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