Memory Map/Register Definition

26.3.2.9Port SD Pin Assignment Register (PSDPAR)

The PSDPAR controls the pin function of port SD.

7

6

0

Field PSDPA

Reset See Note 1

R/W: R/W Address

000_0000

R

IPSBAR + 0x10_0055

Figure 26-22. Port SD Pin Assignment Register (PSDPAR)

1Reset state determined during reset configuration. PJPAn = 1 in master mode and 0 in all other modes.

Table 26-13. PSDPAR Field Descriptions

Bits

Name

 

 

 

 

 

Description

 

 

 

7

PSDPA

Port SD pin assignment. This bit configures the port SD[5:0] pins for

 

 

their primary functions

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(SRAS,

SCAS,

DRAMW,

SDRAM_CS[1:0],

 

 

SCKE) or digital I/O.

 

 

1

Port SD[5:0] pins configured for primary functions

 

 

 

 

 

 

(SRAS,

SCAS,

 

 

 

 

 

 

 

 

 

 

DRAMW,

SDRAM_CS[1:0], SCKE)

 

 

0

Port SD[5:0] pin configured for digital I/O

 

 

 

6–0

Reserved, should be cleared.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

26.3.2.10Port AS Pin Assignment Register (PASPAR)

The PASPAR controls the pin function of port AS.

Field

Reset

R/W:

Field

Reset

R/W: Address

15

 

 

 

12

11

10

9

8

 

 

 

 

 

PASPA5

 

 

PASPA4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0000_0000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

R/W

 

 

 

 

 

 

 

 

 

 

 

 

7

6

 

5

4

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

PASPA3

 

 

PASPA2

 

 

PASPA1

 

 

PASPA0

 

 

 

 

 

 

 

 

 

 

 

0000_0000

R/W

IPSBAR + 0x10_0056

Figure 26-23. Port AS Pin Assignment Register (PASPAR)

MOTOROLA

Chapter 26. General Purpose I/O Module

26-19

Page 577
Image 577
Motorola MCF5281 Port SD Pin Assignment Register Psdpar, Port AS Pin Assignment Register Paspar, Psdpar Field Descriptions