Motorola MC68VZ328 User Manual

Page 95

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Programming Model

Chip-Select Logic

6-7

Reserved
Bit 11

Reserved

This bit is reserved and should be set to 0.

BGBA[31:29]
Bits 10–8

MSB for Chip-Select B—The upper most sig-
nificant bits for chip-select group B base
address. The value will be ignored if UGEN is
disabled.

Enter value for bits 31–29 of chip-select regis-
ter B.

Reserved
Bit 7

Reserved

This bit is reserved and should be set to 0.

CGBA[31:29]
Bits 6–4

MSB for Chip-Select C—The upper most sig-
nificant bits for chip-select group C base
address. The value will be ignored if UGEN is
disabled.

Enter value for bits 31–29 of chip-select regis-
ter C.

Reserved
Bit 3

Reserved

This bit is reserved and should be set to 0.

DGBA[31:29]
Bits 2–0

MSB for Chip-Select D—The upper most sig-
nificant bits for chip-select group D base
address. The value will be ignored if UGEN is
disabled.

Enter value for bits 31–29 of chip-select regis-
ter D.

Table 6-6. Chip-Select Upper Group Base Address Register Description (Continued)

Name Description

Setting

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