Datasheet

Rev. 6.00 Mar. 18, 2010 Page xxxiii of lx
REJ09B0054-0600
15.5.2 Multiprocessor Serial Data Reception..................................................................599
15.6 Operation in Clocked Synchronous Mode ........................................................................602
15.6.1 Clock....................................................................................................................602
15.6.2 SCI Initialization (Clocked Synchronous Mode).................................................602
15.6.3 Serial Data Transmission (Clocked Synchronous Mode) ....................................603
15.6.4 Serial Data Reception (Clocked Synchronous Mode)..........................................606
15.6.5 Simultaneous Serial Data Transmission and Reception
(Clocked Synchronous Mode) .............................................................................608
15.7 Operation in Smart Card Interface ....................................................................................610
15.7.1 Pin Connection Example......................................................................................610
15.7.2 Data Format (Except for Block Transfer Mode)..................................................610
15.7.3 Block Transfer Mode...........................................................................................612
15.7.4 Receive Data Sampling Timing and Reception Margin.......................................612
15.7.5 Initialization.........................................................................................................613
15.7.6 Serial Data Transmission (Except for Block Transfer Mode)..............................614
15.7.7 Serial Data Reception (Except for Block Transfer Mode)...................................617
15.7.8 Clock Output Control...........................................................................................618
15.8 SCI Select Function (H8S/2239 Group Only)...................................................................620
15.9 Interrupt Sources...............................................................................................................622
15.9.1 Interrupts in Normal Serial Communication Interface Mode...............................622
15.9.2 Interrupts in Smart Card Interface Mode .............................................................624
15.10 Usage Notes ......................................................................................................................625
15.10.1 Module Stop Mode Setting ..................................................................................625
15.10.2 Break Detection and Processing (Asynchronous Mode Only).............................625
15.10.3 Mark State and Break Detection (Asynchronous Mode Only) ............................625
15.10.4 Receive Error Flags and Transmit Operations
(Clocked Synchronous Mode Only).....................................................................625
15.10.5 Restrictions on Use of DMAC or DTC................................................................626
15.10.6 Operation in Case of Mode Transition.................................................................626
15.10.7 Switching from SCK Pin Function to Port Pin Function .....................................630
15.10.8 Assignment and Selection of Registers................................................................631
Section 16 I
2
C Bus Interface (IIC) (Option) ..................................................... 633
16.1 Features.............................................................................................................................633
16.2 Input/Output Pins..............................................................................................................636
16.3 Register Descriptions ........................................................................................................636
16.3.1 I
2
C Bus Data Register (ICDR) .............................................................................637
16.3.2 Slave Address Register (SAR).............................................................................639
16.3.3 Second Slave Address Register (SARX) .............................................................639
16.3.4 I
2
C Bus Mode Register (ICMR)...........................................................................640