r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 494

• Manufacturer Part Number: r5f21368sdfp
• Description: Renesas Mcu R8c Family / R8c/3xt-a Series
• Manufacturer: Renesas Electronics Corporation.

Under development
R8C/36T-A Group
R01UH0240EJ0001 Rev.0.01
Apr 28, 2011
Notes:
21.2.7.2
After Reset
1. When writing to bits BC0 to BC2, write 0 to the BC3 bit simultaneously using the MOV instruction. The write value
2. After data including the acknowledge bit is transferred, bits BC2 to BC0 are automatically set to 000b. When a
3. Do not rewrite this bit in clock synchronous serial mode.
4. The setting value is valid in master mode of I
5. Set to 0 in I
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 000E8h (SIMR1_0)
of bits BC0 to BC2 when 1 is written is invalid.
start condition is detected, these bits are automatically set to 000b.
interface mode and in clock synchronous serial mode.
Symbol
CPOS_WAIT Wait insertion bit
Bit
Symbol
CPHS
MLS
BC0
BC1
BC2
BC3
—
Preliminary document
Specifications in this document are tentative and subject to change.
I
2
2
MLS
C bus interface mode.
b7
C bus Function
0
Bit counters 0 to 2
Bit counter 3
Nothing is assigned. The write value must be 1. The read value is 1.
Reserved
MSB first/LSB first select bit
CPOS_WAIT
b6
0
Bit Name
CPHS
(4)
b5
0
2
C bus interface mode. The value is invalid in slave mode of I
b4
—
1
When rewriting bits BC0 to BC2, write 0 to this
Set to 0.
I
remaining transfer bits; Write: Number of next
transfer data bits)
Clock synchronous serial mode (Read: Number
of remaining transfer bits; Write: Always 000b)
bit simultaneously.
0: No wait states (Data and the acknowledge bit
1: Wait states (After the clock of the last data bit
0: Data transfer with MSB first
1: Data transfer with LSB first
2
b2 b1 b0
b2 b1 b0
0 0 0: 9 bits
0 0 1: 2 bits
0 1 0: 3 bits
0 1 1: 4 bits
1 0 0: 5 bits
1 0 1: 6 bits
1 1 0: 7 bits
1 1 1: 8 bits
0 0 0: 8 bits
0 0 1: 1 bit
0 1 0: 2 bits
0 1 1: 3 bits
1 0 0: 4 bits
1 0 1: 5 bits
1 1 0: 6 bits
1 1 1: 7 bits
BC3
C bus interface mode (Read: Number of
are transferred consecutively)
falls, a low period is extended for two transfer
clocks)
b3
1
BC2
b2
0
(2)
21. Clock Synchronous Serial Interface
(1)
(1, 3)
Function
BC1
The read value is 1.
b1
0
(5)
BC0
b0
0
Page 463 of 725
2
C bus
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
—