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7480 Datasheet(PDF) 15 Page - Renesas Technology Corp

Part # 7480
Description  8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES
PDF  337 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7480 Datasheet(HTML) 15 Page - Renesas Technology Corp

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List of Figures
v
7480 Group and 7481 Group User’s Manual
Figure 2.3.1 Connection Example ............................................................................................. 2-20
Figure 2.3.2 Setting Example of Synchronous Clock ............................................................. 2-20
Figure 2.3.3 Timing of Interrupt Control ................................................................................... 2-21
Figure 2.3.4 Control Procedure Example of Serial I/O Transmit .......................................... 2-21
Figure 2.3.5 Connection Example ............................................................................................. 2-22
Figure 2.3.6 Setting Example of Synchronous Clock ............................................................. 2-22
Figure 2.3.7 Communication Format ......................................................................................... 2-22
Figure 2.3.8 Control Procedure Example of Serial I/O Receive ........................................... 2-23
Figure 2.3.9 Connection Example ............................................................................................. 2-24
Figure 2.3.10 Setting Example of Synchronous Clock ........................................................... 2-24
Figure 2.3.11 Communication Format Example of Simplified SAE J1850 ........................... 2-25
Figure 2.3.12 Communication Timing Example ....................................................................... 2-26
Figure 2.3.13 Control Procedure Example (1) of LAN Communications .............................. 2-27
Figure 2.3.14 Control Procedure Example (2) of LAN Communications .............................. 2-28
Figure 2.4.1 Example of Determining A-D Conversion Values .............................................. 2-30
Figure 2.4.2 Control Procedure Example of Determining A-D Conversion Values ............. 2-31
Figure 2.5.1 Reset Circuit Examples ........................................................................................ 2-32
Figure 2.6.1 Oscillation Circuit Example with Ceramic Resonator ........................................ 2-33
Figure 2.6.2 External Clock Circuit Example ........................................................................... 2-33
Figure 2.7.1 Connection Example ............................................................................................. 2-34
Figure 2.7.2 Operation Example in Key-Input Waiting State ................................................. 2-34
Figure 2.7.3 Control Procedure Example of Power-Saving in Key-Input Waiting State.... 2-35
Figure 2.7.4 Connection Example ............................................................................................. 2-36
Figure 2.7.5 Operation Example in Serial I/O Receive Waiting State.................................. 2-36
Figure 2.7.6 Control Procedure Example of Power-Saving ................................................... 2-37
Figure 2.8.1 Wiring for RESET Pin ........................................................................................... 2-38
Figure 2.8.2 Wiring for Clock I/O Pins ..................................................................................... 2-39
Figure 2.8.3 Wiring for VPP Pin of One Time PROM and EPROM Version ....................... 2-39
Figure 2.8.4 Bypass Capacitor across VSS Line and VCC Line ............................................ 2-40
Figure 2.8.5 Bypass Capacitor across VSS Line and VREF Line .......................................... 2-40
Figure 2.8.6 Analog Signal Line and Resistor and Capacitor ............................................... 2-40
Figure 2.8.7 Wiring for Large Current Signal Line ................................................................ 2-41
Figure 2.8.8 Wiring to Signal Line Where Potential Levels Change Frequently ................. 2-41
Figure 2.8.9 VSS Patterns on Underside of Oscillator ............................................................ 2-41
Figure 2.8.10 Setup For I/O Ports ........................................................................................... 2-42
Figure 2.8.11 Watchdog Timer by Software ............................................................................ 2-43
Figure 2.9.1 Initialization of Flags in PS .................................................................................. 2-44
Figure 2.9.2 Stack Memory Contents after PHP Instruction Execution ................................ 2-44
Figure 2.9.3 PLP Instruction Execution .................................................................................... 2-44
Figure 2.9.4 Execution of Decimal Operation .......................................................................... 2-45
Figure 2.11.1 Application Circuit to Hot-Water Supply Equipment ....................................... 2-48
Figure 2.11.2 Application Circuit to Motorcycle Single-Cylinder Engine .............................. 2-49



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