NEC uPD78P078 User Manual
Page 26
26
LIST OF FIGURES (6/9)
Figure No.
Title
Page
18-10
Serial Bus Configuration Example Using 2-Wire Serial I/O Mode ........................................... 385
18-11
2-Wire Serial I/O Mode Timings ................................................................................................. 388
18-12
RELT and CMDT Operations ..................................................................................................... 389
18-13
Example of Serial Bus Configuration Using I
2
C Bus ................................................................ 390
18-14
I
2
C Bus Serial Data Transfer Timing ......................................................................................... 391
18-15
Start Condition ............................................................................................................................ 392
18-16
Address ....................................................................................................................................... 392
18-17
Transfer Direction Specification ................................................................................................. 392
18-18
Acknowledge Signal ................................................................................................................... 393
18-19
Stop Condition ............................................................................................................................ 393
18-20
Wait Signal .................................................................................................................................. 394
18-21
Pin Configuration ........................................................................................................................ 399
18-22
Example of Communication from Master to Slave
(with 9-Clock Wait Selected for Both Master and Slave) ......................................................... 401
18-23
Example of Communication from Slave to Master
(with 9-Clock Wait Selected for Both Master and Slave) ......................................................... 404
18-24
Start Condition Output ................................................................................................................ 408
18-25
Slave Wait Release (Transmission) ........................................................................................... 409
18-26
Slave Wait Release (Reception) ................................................................................................ 410
18-27
SCK0/SCL/P27 Pin Configuration .............................................................................................. 413
18-28
SCK0/SCL/P27 Pin Configuration .............................................................................................. 414
18-29
Logic Circuit of SCL Signal ........................................................................................................ 414
19-1
Serial Interface Channel 1 Block Diagram ................................................................................ 416
19-2
Timer Clock Select Register 3 Format ...................................................................................... 418
19-3
Serial Operation Mode Register 1 Format ................................................................................ 419
19-4
Automatic Data Transmit/Receive Control Register Format .................................................... 420
19-5
Automatic Data Transmit/Receive Interval Specify Register Format ....................................... 421
19-6
3-Wire Serial I/O Mode Timings ................................................................................................. 427
19-7
Circuit of Switching in Transfer Bit Order .................................................................................. 428
19-8
Basic Transmission/Reception Mode Operation Timings ......................................................... 436
19-9
Basic Transmission/Reception Mode Flowchart ....................................................................... 437
19-10
Buffer RAM Operation in 6-byte Transmission/Reception
(in Basic Transmit/Receive Mode) ............................................................................................. 438
19-11
Basic Transmission Mode Operation Timings ........................................................................... 440
19-12
Basic Transmission Mode Flowchart ......................................................................................... 441
19-13
Buffer RAM Operation in 6-byte Transmission (in Basic Transmit Mode) ............................... 442
19-14
Repeat Transmission Mode Operation Timing .......................................................................... 444
19-15
Repeat Transmission Mode Flowchart ...................................................................................... 445
19-16
Buffer RAM Operation in 6-byte Transmission (in Repeat Transmit mode) ............................ 446
19-17
Automatic Transmission/Reception Suspension and Restart ................................................... 448
19-18
System Configuration when the Busy Control Option is Used ................................................. 449
19-19
Operation Timings when Using Busy Control Option (BUSY0 = 0) ......................................... 450
19-20
Busy Signal and Wait Cancel (BUSY0 = 0) .............................................................................. 451