Datasheet

Section 16 Synchronous Serial Communication Unit (SSU)
Rev. 4.00 Mar. 15, 2006 Page 375 of 556
REJ09B0026-0400
SSCK
(1) When CPOS = 0 and CPHS = 0:
(2) When CPOS = 0 and CPHS = 1:
SCS
(output)
SCS
(output)
(Hi-Z)
SSI Bit 7 Bit 0 Bit 7 Bit 0 Bit 7 Bit 0
Bit 7 Bit 0 Bit 7 Bit 0 Bit 7 Bit 0
RDRF
RSSTP
LSI operation
User
processing
Dummy read on SSRDR Read data in SSRDR Read data in SSRDRSet RSSTP to 1
User
processing
Dummy read on SSRDR Read data in SSRDR Read data in SSRDRSet RSSTP to 1
RXI generated RXI generated RXI generated
LSI operation RXI generated RXI generated RXI generated
SSCK
(Hi-Z)
SSI
RDRF
RSSTP
One frame One frame
One frame One frame
Figure 16.12 Example of Operation in Data Reception (MSS = 1)