R0K572030S000BE Renesas Electronics America, R0K572030S000BE Datasheet - Page 858
R0K572030S000BE
Manufacturer Part Number
R0K572030S000BE
Description
KIT DEV FOR SH7203
Manufacturer
Renesas Electronics America
Series
Renesas Starter Kits (RSK)r
Type
MCUr
Specifications of R0K572030S000BE
Contents
CPU Board, LCD Module, E10A-Lite Emulator, Cable, QuickStart Guide and CD-ROM
Silicon Manufacturer
Renesas
Kit Contents
Board
Silicon Family Name
SH7203
Silicon Core Number
R5S72030W200FP
Tool / Board Applications
General Purpose MCU, MPU, DSP, DSC
Mcu Supported Families
SH7203
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
SH7203
Lead Free Status / Rohs Status
Compliant
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Section 16 Synchronous Serial Communication Unit (SSU)
(3)
Figure 16.15 shows an example of reception operation, and figure 16.16 shows a flowchart
example of data reception. When receiving data, the SSU operates as shown below.
After setting the RE bit in SSER to 1, the SSU starts data reception.
In master mode, the SSU outputs a transfer clock and receives data. In slave mode, when a transfer
clock is input to the SSCK pin, the SSU receives data in synchronization with the transfer clock.
When 1-frame data has been received, the RDRF bit in SSSR is set to 1 and the receive data is
stored in SSRDR. At this time, if the RIE bit is set to 1, an SSRXI interrupt is generated. The
RDRF bit is automatically cleared to 0 by reading SSRDR.
When the RDRF bit has been set to 1 at the 8th rising edge of the transfer clock, the ORER bit in
SSSR is set to 1. This indicates that an overrun error (SSERI) has occurred. At this time, data
reception is stopped. While the ORER bit in SSSR is set to 1, reception is not performed. To
resume the reception, clear the ORER bit to 0.
Rev. 3.00 Sep. 28, 2009 Page 826 of 1650
REJ09B0313-0300
User operation
LSI operation
Data Reception
RDRF
SSCK
SSO
Dummy-read SSRDR
Bit 0
Figure 16.15 Example of Reception Operation
(Clock Synchronous Communication Mode)
1 frame
Bit 7
SSRXI interrupt
generated
Bit 0
Read data from SSRDR
1 frame
SSRXI interrupt
generated
Bit 7
Bit 0
Read data from SSRDR
SSRXI interrupt
generated
Bit 7
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