r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1193
r8a77850anbg
Manufacturer Part Number
r8a77850anbg
Description
Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R8A77850ANBG.pdf
(1692 pages)
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Part Number:
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Manufacturer:
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23.3.4
SPTBR is a 32-bit readable/writable register that stores data to be transmitted.
Initial value:
Initial value:
Bit
2
1
0
Bit
31 to 8
7 to 0
R/W:
R/W:
Bit:
Bit:
Transmit Buffer Register (SPTBR)
Bit Name
RXDE
TXDE
MASL
Bit Name
⎯
TD
31
15
—
—
R
R
0
0
30
14
—
—
R
R
0
0
Initial
Value
All 0
All 0
29
13
—
—
R
R
0
0
Initial
Value
0
0
0
28
—
12
—
R
R
0
0
R/W
R/W
R/W
R/W
R/W
R
R/W
27
—
11
—
R
R
0
0
26
10
—
—
R
R
0
0
Description
Receive DMA Enable
0: Receive DMA transfer request disabled
1: Receive DMA transfer request enabled
Transmit DMA Enable
0: Transmit DMA transfer request disabled
1: Transmit DMA transfer request enabled
Master/Slave Select Bit
0: HSPI module configured as a slave
1: HSPI module configured as a master
Description
Reserved
These bits are always read as an undefined value. The
write value should always be 0.
Data written to this register is transferred to the shift
register for transmission.
When reading these bits, the data stored in the transmit
buffer is always read.
Transmit Data
25
—
—
R
R
0
9
0
24
—
—
R
R
0
8
0
R/W
23
—
R
0
7
0
Rev.1.00 Jan. 10, 2008 Page 1163 of 1658
R/W
22
—
R
0
6
0
23. Serial Peripheral Interface (HSPI)
R/W
21
—
R
0
5
0
R/W
20
—
R
0
4
0
TD
R/W
19
—
R
0
3
0
REJ09B0261-0100
R/W
18
—
R
0
2
0
R/W
17
—
R
0
1
0
R/W
16
—
R
0
0
0
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