NEC uPD78P078 User Manual
Page 25
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LIST OF FIGURES (5/9)
Figure No.
Title
Page
17-1
Serial Bus Interface (SBI) System Configuration Example ...................................................... 317
17-2
Serial Interface Channel 0 Block Diagram ................................................................................ 318
17-3
Timer Clock Select Register 3 Format ...................................................................................... 322
17-4
Serial Operating Mode Register 0 Format ................................................................................ 324
17-5
Serial Bus Interface Control Register Format ........................................................................... 325
17-6
Interrupt Timing Specify Register Format .................................................................................. 327
17-7
3-Wire Serial I/O Mode Timings ................................................................................................. 331
17-8
RELT and CMDT Operations ..................................................................................................... 331
17-9
Circuit of Switching in Transfer Bit Order .................................................................................. 332
17-10
Example of Serial Bus Configuration with SBI .......................................................................... 333
17-11
SBI Transfer Timings .................................................................................................................. 335
17-12
Bus Release Signal .................................................................................................................... 336
17-13
Command Signal ........................................................................................................................ 336
17-14
Addresses ................................................................................................................................... 337
17-15
Slave Selection with Address ..................................................................................................... 337
17-16
Commands .................................................................................................................................. 338
17-17
Data ............................................................................................................................................. 338
17-18
Acknowledge Signal ................................................................................................................... 339
17-19
BUSY and READY Signals ........................................................................................................ 339
17-20
RELT, CMDT, RELD, and CMDD Operations (Master) ............................................................ 344
17-21
RELD and CMDD Operations (Slave) ....................................................................................... 344
17-22
ACKT Operation .......................................................................................................................... 345
17-23
ACKE Operations ........................................................................................................................ 346
17-24
ACKD Operations ....................................................................................................................... 347
17-25
BSYE Operation .......................................................................................................................... 347
17-26
Pin Configuration ........................................................................................................................ 350
17-27
Address Transmission from Master Device to Slave Device (WUP = 1) ................................ 352
17-28
Command Transmission from Master Device to Slave Device ................................................ 353
17-29
Data Transmission from Master Device to Slave Device ......................................................... 354
17-30
Data Transmission from Slave Device to Master Device ......................................................... 355
17-31
Serial Bus Configuration Example Using 2-Wire Serial I/O Mode ........................................... 357
17-32
2-Wire Serial I/O Mode Timings ................................................................................................. 361
17-33
RELT and CMDT Operations ..................................................................................................... 361
17-34
SCK0/P27 Pin Configuration ...................................................................................................... 363
18-1
Serial Bus Configuration Example Using I
2
C Bus ..................................................................... 367
18-2
Serial Interface Channel 0 Block Diagram ................................................................................ 369
18-3
Timer Clock Select Register 3 Format ...................................................................................... 373
18-4
Serial Operating Mode Register 0 Format ................................................................................ 375
18-5
Serial Bus Interface Control Register Format ........................................................................... 376
18-6
Interrupt Timing Specify Register Format .................................................................................. 378
18-7
3-Wire Serial I/O Mode Timings ................................................................................................. 383
18-8
RELT and CMDT Operations ..................................................................................................... 383
18-9
Circuit of Switching in Transfer Bit Order .................................................................................. 384