H8SSLASH2225 datasheet(76/1071 Pages) RENESAS

76 / 1071 page

Rev. 5.00 Aug 08, 2006 page lxxvi of lxxxvi

Section 22 PROM

Figure 22.1 HD6472237 Socket Adapter Pin Correspondence Diagram (FP-100B,

TFP-100B, TFP-100G)........................................................................................... 756

Figure 22.2 HD6472237 Socket Adapter Pin Correspondence Diagram (FP-100A) ................ 757

Figure 22.3 Memory Map in PROM Mode ............................................................................... 758

Figure 22.4 High-Speed Programming Flowchart..................................................................... 760

Figure 22.5 PROM Programming/Verification Timing............................................................. 763

Figure 22.6 Recommended Screening Procedure...................................................................... 764

Section 23 Clock Pulse Generator

Figure 23.1 Block Diagram of Clock Pulse Generator .............................................................. 765

Figure 23.2 Connection of Crystal Resonator (Example).......................................................... 770

Figure 23.3 Crystal Resonator Equivalent Circuit..................................................................... 771

Figure 23.4 External Clock Input (Examples) ........................................................................... 772

Figure 23.5 External Clock Input Timing.................................................................................. 777

Figure 23.6 External Clock Switching Circuit (Example)......................................................... 778

Figure 23.7 External Clock Switching Timing (Example) ........................................................ 778

Figure 23.8 Connection Example of 32.768-kHz Quartz Oscillator.......................................... 780

Figure 23.9 Equivalence Circuit for 32.768-kHz Oscillator...................................................... 780

Figure 23.10 Pin Handling when Subclock Not Required........................................................... 781

Figure 23.11 Note on Board Design of Oscillator Circuit ........................................................... 782

Section 24 Power-Down Modes

Figure 24.1 Mode Transition Diagram ...................................................................................... 785

Figure 24.2 Medium-Speed Mode Transition and Clearance Timing ....................................... 791

Figure 24.3 Software Standby Mode Application Example ...................................................... 794

Figure 24.4 Hardware Standby Mode Timing ........................................................................... 796

Section 25 Power Supply Circuit

Figure 25.1 Power Supply Connection for H8S/2258 Group, H8S/2238B, and H8S/2236B

(On-Chip Internal Power Supply Step-Down Circuit) ........................................... 804

Figure 25.2 Power Supply Connection for H8S/2239 Group, H8S/2238R, H8S/2236R,

H8S/2237 Group, and H8S/2227 Group (No Internal Power Supply Step-Down

Circuit) ................................................................................................................... 804

Section 27 Electrical Characteristics

Figure 27.1 Power Supply Voltage and Operating Ranges (H8S/2258 Group)......................... 839

Figure 27.2 Power Supply Voltage and Operating Ranges (H8S/2239 Group)......................... 840

Figure 27.3 Power Supply Voltage and Operating Ranges (H8S/2238B and H8S/2236B)....... 841

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