r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1152
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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22. Serial I/O with FIFO (SIOF)
22.3.10 Clock Select Register (SISCR)
SISCR is a 16-bit readable/writable register that sets the serial clock generation conditions for the
master clock. SCSCR can be specified when the TRMD1 and TRMD0 bits in SIMDR are set to
B'10 or B'11.
Rev.1.00 Jan. 10, 2008 Page 1122 of 1658
REJ09B0261-0100
Initial value:
Bit
15
14
13
12 to 8
7 to 3
R/W:
BIt:
Bit Name
MSSEL
MSIMM
—
BRPS[4:0]
—
MSSEL MSIMM
R/W
15
1
R/W
14
1
13
—
R
0
Initial
Value
1
1
0
00000
All 0
R/W
12
0
R/W
R/W
R/W
R/W
R
R/W
R
11
0
BRPS[4:0]
R/W
10
0
Description
Master Clock Source Selection
The master clock is the clock source input to the baud
rate generator.
0: Uses the input signal of the SIOF_MCLK pin as the
1: Uses a peripheral clock (Pck) as the master clock
Master Clock Direct Selection
0: Uses the output clock of the baud rate generator as
1: Uses the master clock itself as the serial clock
Reserved
This bit is always read as 0. The write value should
always be 0.
Prescaler Setting
These bits set the master clock division ratio according
to the count value of the prescaler of the baud rate
generator.
The range of settings is from B'00000 (× 1/1) to B'11111
(× 1/32).
Reserved
These bits are always read as 0. The write value should
always be 0.
R/W
master clock
the serial clock
9
0
R/W
8
0
—
R
7
0
—
R
6
0
—
R
5
0
—
R
4
0
—
R
3
0
R/W
2
0
BRDV[2:0]
R/W
1
0
R/W
0
0
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