R0K572030S000BE Renesas Electronics America, R0K572030S000BE Datasheet - Page 849
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
- Current page: 849 of 1686
- Download datasheet (10Mb)
Section 16 Synchronous Serial Communication Unit (SSU)
(3)
Data Reception
Figure 16.7 shows an example of reception operation, and figure 16.8 shows a flowchart example
of data reception. When receiving data, the SSU operates as shown below.
After setting the RE bit to 1 and dummy-reading SSRDR, the SSU starts data reception.
In master mode, the SSU outputs a transfer clock and receives data. In slave mode, when a low
level signal is input to the SCS pin and 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 in SSER is set to 1, an SSRXI interrupt is generated.
The RDRF bit is automatically cleared to 0 by reading SSRDR.
During continuous slave reception in SSU mode, read the SS receive data register (SSRDR) before
the next reception operation starts (before the externally connected master device starts the next
transmission). When the next reception operation starts after the receive data full (RDRF) bit in
the SS status register (SSSR) is set to 1 and before SSRDR is read, and SSRDR is read before
reception of one frame completes, the conflict/incomplete error (CE) bit in SSSR is set to 1 after
the reception operation ends. In addition, when the next reception operation starts after RDRF is
set to 1 and before SSRDR is read, and SSRDR is not read before reception of one frame
completes, the receive data is discarded, even though neither the CE bit nor the overrun error
(ORER) bit in SSSR is set to 1.
Rev. 3.00 Sep. 28, 2009 Page 817 of 1650
REJ09B0313-0300
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