r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 511

• 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
Figure 21.11
SICR1 register
SISR register
SISR register
SISR register
• MS = 0 (clock synchronous communication mode), CPHS = 0 (data change at odd edge),
RCVD bit in
RDRF bit in
TDRE bit in
TEND bit in
CPOS_WAIT = 0 (high when clock stops), MLS = 1 (LSB-first transfer), and BS3 to BS0 = 1000b
(8 bits)
processing
Program
SSCK
SSO
SSI
Preliminary document
Specifications in this document are tentative and subject to change.
Operation Example during Data Transmission/Reception (Clock Synchronous
Communication Mode, 8-Bit SSU Data Transfer Length)
0
Write data to SITDR register
TXI interrupt
request generated
b0
b0
1
b1
b1
2
One frame
request generated
b6
b6
7
RXI interrupt
TXI interrupt
request generated
b7
b7
8
BS0 to BS3: Bits in SSBR register
CPHS, CPOS_WAIT, MLS: Bits in SIMR1 register
MS: Bit in SIMR2 register
Read data from
SIRDR register
b0
b0
1
21. Clock Synchronous Serial Interface
request generated
TEI interrupt
One frame
b6
b6
RXI interrupt
request generated
7
Clock stops
b7
b7
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