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6 registers, 6 registers -13 – Cirrus Logic EP93xx User Manual

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DS785UM1

23-13

Copyright 2007 Cirrus Logic

Synchronous Serial Port

EP93xx User’s Guide

2

3

2

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23

23.6 Registers

The SSP registers are shown in the following table.

Register Descriptions

SSPCR0

Address:

0x808A_0000 - Read/Write

Default:

0x0000_0000

Definition:

SSPCR0 is the control register 0 and contains four different bit fields, which
control various functions within the SSP.

Bit Descriptions:

RSVD:

Reserved. Unknown During Read.

Table 23-1. SSP Register Memory Map Description

Address

Type

Width

Reset

value

Name

Description

0x808A_0000

Read/write

16

0x0000

SSPCR0

Control register 0.

0x808A_0004

Read/write

8

0x00

SSPCR1

Control register 1.

0x808A_0008

Read/write

16

0x0000

SSPDR

Receive FIFO (Read)/
Transmit FIFO data
register (Write).

0x808A_000C

Read

7

0x00

SSPSR

Status register.

0x808A_0010

Read/write

8

0x00

SSPCPSR

Clock prescale register.

0x808A_0014

Read

3

0x0

SSPIIR/

SSPICR

Interrupt identification
register (read)
Interrupt clear register
(write).

0x808A_0018 - 0x808A_003C

-

-

-

-

Reserved

0x808A_0094 - 0x808A_00FF

-

-

-

-

Reserved

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

RSVD

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

SCR

SPH

SPO

FRF

DSS