33.4.1 Multi-Processor Serial Data Transmission ............................................................................. 1034
33.4.2 Multi-Processor Serial Data Reception .................................................................................. 1035
33.5 Operation in Clock Synchronous Mode .......................................................................................... 1038
33.5.1 Clock ....................................................................................................................................... 1038
33.5.2 CTS and RTS Functions ......................................................................................................... 1039
33.5.3 SCI Initialization (Clock Synchronous Mode) ....................................................................... 1040
33.5.4 Serial Data Transmission (Clock Synchronous Mode) .......................................................... 1041
33.5.5 Serial Data Reception (Clock Synchronous Mode) ................................................................ 1045
33.5.6 Simultaneous Serial Data Transmission and Reception (Clock Synchronous Mode) ............ 1048
33.6 Operation in Smart Card Interface Mode ........................................................................................ 1049
33.6.1 Sample Connection ................................................................................................................. 1049
33.6.2 Data Format (Except in Block Transfer Mode) ...................................................................... 1050
33.6.3 Block Transfer Mode .............................................................................................................. 1051
33.6.4 Receive Data Sampling Timing and Reception Margin ......................................................... 1052
33.6.5 SCI Initialization (Smart Card Interface Mode) ..................................................................... 1053
33.6.6 Serial Data Transmission (Except in Block Transfer Mode) ................................................. 1055
33.6.7 Serial Data Reception (Except in Block Transfer Mode) ....................................................... 1058
33.6.8 Clock Output Control ............................................................................................................. 1060
33.7 Operation in Simple I
2
C Mode ........................................................................................................ 1061
33.7.1 Generation of Start, Restart, and Stop Conditions .................................................................. 1062
33.7.2 Clock Synchronization ........................................................................................................... 1064
33.7.3 SSDA Output Delay ............................................................................................................... 1065
33.7.4 SCI Initialization (Simple I
2
C Mode) ..................................................................................... 1066
33.7.5 Operation in Master Transmission (Simple I
2
C Mode) ......................................................... 1067
33.7.6 Master Reception (Simple I
2
C Mode) .................................................................................... 1069
33.7.7 Recovery from Bus Hang-up .................................................................................................. 1071
33.8 Operation in Simple SPI Mode ........................................................................................................ 1072
33.8.1 States of Pins in Master and Slave Modes .............................................................................. 1073
33.8.2 SS Function in Master Mode .................................................................................................. 1073
33.8.3 SS Function in Slave Mode .................................................................................................... 1073
33.8.4 Relationship between Clock and Transmit/Receive Data ...................................................... 1074
33.8.5 SCI Initialization (Simple SPI Mode) .................................................................................... 1075
33.8.6 Transmission and Reception of Serial Data (Simple SPI Mode) ........................................... 1075
33.9 Bit Rate Modulation Function ......................................................................................................... 1075
33.10 Extended Serial Mode Control Section: Description of Operation ................................................. 1076
33.10.1 Serial Transfer Protocol .......................................................................................................... 1076
33.10.2 Transmitting a Start Frame ..................................................................................................... 1077
33.10.3 Receiving a Start Frame ......................................................................................................... 1080
33.10.3.1 Priority Interrupt Bit ...................................................................................................... 1085
33.10.4 Detection of Bus Collisions .................................................................................................... 1086
33.10.5 Digital Filter for Input on the RXDX12 Pin ........................................................................... 1087
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