HD6432670 Hitachi, HD6432670 Datasheet - Page 37

• Manufacturer Part Number: HD6432670
• Description: (HD64F267x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Section 16 A/D Converter
Figure 16.1 Block Diagram of A/D Converter ........................................................................710
Figure 16.2 A/D Conversion Timing......................................................................................722
Figure 16.3 External Trigger Input Timing.............................................................................724
Figure 16.4 A/D Conversion Accuracy Definitions.................................................................725
Figure 16.5 A/D Conversion Accuracy Definitions.................................................................726
Figure 16.6 Example of Analog Input Circuit .........................................................................727
Figure 16.7 Example of Analog Input Protection Circuit ........................................................729
Figure 16.8 Analog Input Pin Equivalent Circuit ....................................................................729
Section 17 D/A Converter
Figure 17.1 Block Diagram of D/A Converter ........................................................................732
Figure 17.2 Example of D/A Converter Operation..................................................................738
Section 19 Flash Memory (F-ZTAT Version)
Figure 19.1 Block Diagram of Flash Memory........................................................................742
Figure 19.2 Flash Memory State Transitions ..........................................................................743
Figure 19.3 Boot Mode..........................................................................................................744
Figure 19.4 User Program Mode ............................................................................................745
Figure 19.5 384-Kbyte Flash Memory Block Configuration (Modes 3, 4, and 7).....................747
Figure 19.6 256-Kbyte Flash Memory Block Configuration (Modes 4, 7, 10, and 11) .............748
Figure 19.7 Programming/Erasing Flowchart Example in User Program Mode .......................759
Figure 19.8 Flowchart for Flash Memory Emulation in RAM.................................................760
Figure 19.9 Example of RAM Overlap Operation...................................................................761
Figure 19.10 Program/Program-Verify Flowchart ..................................................................763
Figure 19.11 Erase/Erase-Verify Flowchart............................................................................765
Figure 19.12 Power-On/Off Timing (H8S/2678 Series) ..........................................................770
Figure 19.13 Power-On/Off Timing (H8S/2678R Series)........................................................771
Figure 19.14 Mode Transition Timing (Example: Boot Mode
Section 20 Masked ROM
Figure 20.1 Block Diagram of 256-Kbyte Masked ROM (HD6432676)..................................775
Figure 20.2 Block Diagram of 128-Kbyte Masked ROM (HD6432675)..................................775
Figure 20.3 Block Diagram of 64-Kbyte Masked ROM (HD643673)......................................776
Section 21 Clock Pulse Generator
Figure 21.1 Block Diagram of Clock Pulse Generator ............................................................777
Figure 21.2 Connection of Crystal Resonator (Example) ........................................................780
Figure 21.3 Crystal Resonator Equivalent Circuit...................................................................780
Figure 21.4 External Clock Input (Examples).........................................................................781
Figure 21.5 External Clock Input Timing ...............................................................................782
Figure 21.6 Note on Board Design for Oscillation Circuit.......................................................784
Figure 21.7 Recommended External Circuitry for PLL Circuit ...............................................784
Section 22 Power-Down Modes
Figure 22.1 Mode Transitions ................................................................................................787
Figure 22.2 Software Standby Mode Application Example .....................................................794
User Program Mode) ....................................................................................772
User Mode
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