r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 647
r5f71374an80fpv
Manufacturer Part Number
r5f71374an80fpv
Description
32-bit Risc Microcomputer Superh?? Risc Engine Family
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R5F71374AN80FPV.pdf
(1154 pages)
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15.4.5
In SSU mode, data communications are performed via four lines: clock line (SSCK), data input
line (SSI or SSO), data output line (SSI or SSO), and chip select line (SCS).
In addition, the SSU supports bidirectional mode in which a single pin functions as data input and
data output lines.
(1)
Figure 15.4 shows an example of the initial settings in SSU mode. Before data transfer, clear both
the TE and RE bits in SSER to 0 to set the initial values.
Note: Before changing operating modes and communications formats, clear both the TE and RE
Initial Settings in SSU Mode
bits to 0. Although clearing the TE bit to 0 sets the TDRE bit to 1, clearing the RE bit to 0
does not change the values of the RDRF and ORER bits and SSRDR. Those bits retain the
previous values.
SSU Mode
Section 15 Synchronous Serial Communication Unit (SSU)
Rev. 1.00 Sep. 21, 2007 Page 621 of 1124
REJ09B0402-0100
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