Renesas SH7781 用户手册
23. Serial Peripheral Interface (HSPI)
Rev.1.00 Jan. 10, 2008 Page 1164 of 1658
REJ09B0261-0100
REJ09B0261-0100
23.3.5
Receive Buffer Register (SPRBR)
SPRBR is a 32-bit read-only register that stores received data.
16
17
18
19
20
21
22
23
24
25
26
27
28
29
31
30
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Bit:
Initial value:
R/W:
0
1
2
3
4
5
6
7
8
9
10
11
12
13
15
14
0
0
0
0
0
0
0
0
RD
—
—
—
—
—
—
—
—
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Bit:
Initial value:
R/W:
Bit Bit
Name
Initial
Value R/W
Value R/W
Description
31 to 8
⎯ All
0
R
Reserved
These bits are always read as an undefined value. The
write value should always be 0.
write value should always be 0.
7 to 0
RD
All 0
R
Receive Data
Data is transferred from the shift register to these bits
every time one byte of data is received if the previously
received data has been read.
every time one byte of data is received if the previously
received data has been read.