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13.3.4 Slave Transmit Operation ..................................................................................... 300
13.3.5 Slave Receive Operation....................................................................................... 302
13.3.6 IRIC Set Timing and SCL Control ....................................................................... 303
13.3.7 Noise Canceler...................................................................................................... 304
13.3.8 Sample Flowcharts................................................................................................ 305
13.4
Application Notes .............................................................................................................. 309
Section 14 Host Interface (H8/3337 Series Only) ...................................................... 315
14.1
Overview............................................................................................................................ 315
14.1.1 Block Diagram...................................................................................................... 316
14.1.2 Input and Output Pins ........................................................................................... 317
14.1.3 Register Configuration.......................................................................................... 318
14.2
Register Descriptions ......................................................................................................... 319
14.2.1 System Control Register (SYSCR)....................................................................... 319
14.2.2 Host Interface Control Register (HICR) ............................................................... 319
14.2.3 Input Data Register 1 (IDR1)................................................................................ 320
14.2.4 Output Data Register 1 (ODR1) ........................................................................... 321
14.2.5 Status Register 1 (STR1) ...................................................................................... 321
14.2.6 Input Data Register 2 (IDR2)................................................................................ 322
14.2.7 Output Data Register 2 (ODR2) ........................................................................... 323
14.2.8 Status Register 2 (STR2) ...................................................................................... 323
14.2.9 Serial/Timer Control Register (STCR) ................................................................. 325
14.3
Operation............................................................................................................................ 326
14.3.1 Host Interface Operation....................................................................................... 326
14.3.2 Control States........................................................................................................ 326
14.3.3 A
20 Gate................................................................................................................. 327
14.4
Interrupts ............................................................................................................................ 330
14.4.1 IBF1, IBF2............................................................................................................ 330
14.4.2 HIRQ
11, HIRQ1, and HIRQ12................................................................................. 330
14.5
Application Note................................................................................................................ 331
Section 15 A/D Converter.................................................................................................. 333
15.1
Overview............................................................................................................................ 333
15.1.1 Features ................................................................................................................. 333
15.1.2 Block Diagram...................................................................................................... 334
15.1.3 Input Pins .............................................................................................................. 335
15.1.4 Register Configuration.......................................................................................... 336
15.2
Register Descriptions ......................................................................................................... 337
15.2.1 A/D Data Registers A to D (ADDRA to ADDRD).............................................. 337
15.2.2 A/D Control/Status Register (ADCSR) ................................................................ 338
15.2.3 A/D Control Register (ADCR) ............................................................................. 340
15.3
CPU Interface..................................................................................................................... 340
15.4
Operation............................................................................................................................ 342