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
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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