SH7261 datasheet(24/1348 Pages) RENESAS

24 / 1348 page

Rev. 2.00 Sep. 07, 2007 Page xxiv of xxxii

20.1.3 Transfer Data (Data Field Contents)..................................................................... 888

20.1.4 Bit Format............................................................................................................. 891

20.1.5 Configuration........................................................................................................ 892

20.2

Input/Output Pins...............................................................................................................894

20.3

Register Descriptions ......................................................................................................... 894

20.3.1 IEBus Control Register (IECTR).......................................................................... 896

20.3.2 IEBus Command Register (IECMR) .................................................................... 897

20.3.3 IEBus Master Control Register (IEMCR)............................................................. 899

20.3.4 IEBus Master Unit Address Register 1 (IEAR1) .................................................. 901

20.3.5 IEBus Master Unit Address Register 2 (IEAR2) .................................................. 902

20.3.6 IEBus Slave Address Setting Register 1 (IESA1)................................................. 903

20.3.7 IEBus Slave Address Setting Register 2 (IESA2)................................................. 903

20.3.8 IEBus Transmit Message Length Register (IETBFL) .......................................... 904

20.3.9 IEBus Reception Master Address Register 1 (IEMA1) ........................................ 905

20.3.10 IEBus Reception Master Address Register 2 (IEMA2) ........................................ 906

20.3.11 IEBus Receive Control Field Register (IERCTL) ................................................ 907

20.3.12 IEBus Receive Message Length Register (IERBFL)............................................ 908

20.3.13 IEBus Lock Address Register 1 (IELA1) ............................................................. 908

20.3.14 IEBus Lock Address Register 2 (IELA2) ............................................................. 909

20.3.15 IEBus General Flag Register (IEFLG) ................................................................. 910

20.3.16 IEBus Transmit Status Register (IETSR) ............................................................. 913

20.3.17 IEBus Transmit Interrupt Enable Register (IEIET) .............................................. 917

20.3.18 IEBus Receive Status Register (IERSR)............................................................... 919

20.3.19 IEBus Receive Interrupt Enable Register (IEIER)................................................ 923

20.3.20 IEBus Clock Selection Register (IECKSR) .......................................................... 924

20.3.21 IEBus Transmit Data Buffer 001 to 128 (IETB001 to IETB128)......................... 926

20.3.22 IEBus Receive Data Buffer 001 to 128 (IERB001 to IERB128) .......................... 927

20.4

Data Format ....................................................................................................................... 928

20.4.1 Transmission Format ............................................................................................ 928

20.4.2 Reception Format.................................................................................................. 929

20.5

Software Control Flows ..................................................................................................... 930

20.5.1 Initial Setting ........................................................................................................ 930

20.5.2 Master Transmission............................................................................................. 931

20.5.3 Slave Reception .................................................................................................... 932

20.5.4 Master Reception .................................................................................................. 933

20.5.5 Slave Transmission ............................................................................................... 934

20.6

Operation Timing............................................................................................................... 935

20.6.1 Master Transmit Operation ................................................................................... 935

20.6.2 Slave Receive Operation....................................................................................... 936

20.6.3 Master Receive Operation .................................................................................... 937

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