LIST OF FIGURES (5/6)
Figure No.
Title
Page
17-1
17-2
17-3
17-4
17-5
17-6
17-7
Block Diagram of CSIAn ............................................................................................................................503
3-Wire Serial I/O Mode Timing...................................................................................................................518
Format of Transmit/Receive Data ..............................................................................................................519
Transfer Bit Order Switching Circuit...........................................................................................................520
Automatic Transmission/Reception Mode Operation Timings....................................................................529
Automatic Transmission/Reception Mode Flowchart .................................................................................530
Internal Buffer RAM Operation in 6-Byte Transmission/Reception
(in Automatic Transmission/Reception Mode)............................................................................................531
Automatic Transmission Mode Operation Timing ......................................................................................533
Automatic Transmission Mode Flowchart ..................................................................................................534
Internal Buffer RAM Operation in 6-Byte Transmission (in Automatic Transmission Mode) ......................535
Repeat Transmission Mode Operation Timing...........................................................................................537
Repeat Transmission Mode Flowchart.......................................................................................................538
Internal Buffer RAM Operation in 6-Byte Transmission (in Repeat Transmission Mode)...........................539
Format of CSIAn Transmit/Receive Data...................................................................................................541
Automatic Transmission/Reception Suspension and Restart.....................................................................542
Automatic Data Transmit/Receive Interval Time........................................................................................543
17-8
17-9
17-10
17-11
17-12
17-13
17-14
17-15
17-16
18-1
Selecting Mode of UART2 or I2C1..............................................................................................................544
Block Diagram of I2Cn................................................................................................................................546
Serial Bus Configuration Example Using I2C Bus.......................................................................................547
Pin Configuration Diagram.........................................................................................................................563
I2C Bus’s Serial Data Transfer Timing........................................................................................................564
Start Conditions .........................................................................................................................................564
Address......................................................................................................................................................562
Transfer Direction Specification .................................................................................................................566
ACK Signal.................................................................................................................................................567
Stop Condition ...........................................................................................................................................568
Wait Signal.................................................................................................................................................569
Arbitration Timing Example........................................................................................................................591
Communication Reservation Timing ..........................................................................................................594
Timing for Accepting Communication Reservations...................................................................................594
Communication Reservation Flowchart .....................................................................................................595
Master Operation Flowchart (1) .................................................................................................................597
Master Operation Flowchart (2) .................................................................................................................598
Slave Operation Flowchart.........................................................................................................................599
Example of Master to Slave Communication
18-2
18-3
18-4
18-5
18-6
18-7
18-8
18-9
18-10
18-11
18-12
18-13
18-14
18-15
18-16
18-17
18-18
18-19
(When 9-Clock Wait Is Selected for Both Master and Slave).....................................................................601
Example of Slave to Master Communication
18-20
(When 9-Clock Wait Is Selected for Both Master and Slave).....................................................................604
19-1
19-2
19-3
Acknowledging Non-Maskable Interrupt Requests ....................................................................................615
Non-Maskable Interrupt Servicing..............................................................................................................617
RETI Instruction Processing.......................................................................................................................618
23
User’s Manual U15862EJ3V0UD
NEC [ NEC ]
