Figure 517. port 2 configuration register (p2cfg), Figure 5-17) control – Intel 386 User Manual

Page 99

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Intel386™ EX EMBEDDED MICROPROCESSOR USER’S MANUAL

5-26

Figure 5-17. Port 2 Configuration Register (P2CFG)

Port 2 Configuration
P2CFG
(read/write)

Expanded Addr:
ISA Addr:
Reset State:

F822H

00H

7

0

PM7

PM6

PM5

PM4

PM3

PM2

PM1

PM0

Bit

Number

Bit

Mnemonic

Function

7

PM7

Pin Mode:

0 = Selects P2.7 at the package pin.
1 = Selects CTS0# at the package pin.

6

PM6

Pin Mode:

0 = Selects P2.6 at the package pin.
1 = Selects TXD0 at the package pin.

5

PM5

Pin Mode:

0 = Selects P2.5 at the package pin.
1 = Selects RXD0 at the package pin.

4

PM4

Pin Mode:

0 = Selects P2.4 at the package pin.
1 = Selects CS4# at the package pin.

3

PM3

Pin Mode:

0 = Selects P2.3 at the package pin.
1 = Selects CS3# at the package pin.

2

PM2

Pin Mode:

0 = Selects P2.2 at the package pin.
1 = Selects CS2# at the package pin.

1

PM1

Pin Mode:

0 = Selects P2.1 at the package pin.
1 = Selects CS1# at the package pin.

0

PM0

Pin Mode:

0 = Selects P2.0 at the package pin.
1 = Selects CS0# at the package pin.

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