Figure 512. configuration of chip-select unit and, Figure 5-12 – Intel 386 User Manual

Page 93

Advertising
background image

Intel386™ EX EMBEDDED MICROPROCESSOR USER’S MANUAL

5-20

Figure 5-12. Configuration of Chip-select Unit and Clock and Power Management Unit

A3380-01

CS0#

CS1#

CS2#

CS3#

CS4#

CS5#

CS6#

CSU

CSO#
(P2.0)

To/From I/O Port 2

1

0

CS1#
(P2.1)

To/From I/O Port 2

1

0

CS2#
(P2.2)

To/From I/O Port 2

1

0

CS3#
(P2.3)

To/From I/O Port 2

1

0

PWRDOWN

Clock and

Power

Management

Unit

PWRDOWN
(P3.6)

To/From I/O Port 3

1

0

P2CFG.0

P2CFG.1

P2CFG.2

P2CFG.3

CS4#
(P2.4)

To/From I/O Port 2

1

0

CS5#
(DACK0#)

DACK0# (DMA)

1

0

CS6#
(REFRESH#)

REFRESH# (RCU)

1

0

P2CFG.4

PINCFG.4

PINCFG.6

P3CFG.6

Advertising