Datasheet

Rev. 3.00 Sep. 14, 2006 Page xx of xxviii
Section 5 Clock Pulse Generators
Figure 5.1 Block Diagram of Clock Pulse Generators.................................................................. 69
Figure 5.2 State Transition of System Clock................................................................................ 75
Figure 5.3 Flowchart of Clock Switching On-chip Oscillator Clock to External Clock (1)........ 76
Figure 5.4 Flowchart of Clock Switching External Clock to On-chip Oscillator Clock (2) ......... 77
Figure 5.5 Timing Chart of Switching On-chip Oscillator Clock to External Clock.................... 78
Figure 5.6 Timing Chart to Switch External Clock to On-chip Oscillator Clock......................... 79
Figure 5.7 Example of Trimming Flow for On-chip Oscillator Frequency.................................. 80
Figure 5.8 Timing Chart of Trimming of On-chip Oscillator Frequency..................................... 81
Figure 5.9 Example of Connection to Crystal Resonator ............................................................. 82
Figure 5.10 Equivalent Circuit of Crystal Resonator.................................................................... 82
Figure 5.11 Example of Connection to Ceramic Resonator ......................................................... 83
Figure 5.12 Example of External Clock Input.............................................................................. 83
Figure 5.13 Example of Incorrect Board Design.......................................................................... 84
Section 6 Power-Down Modes
Figure 6.1 Mode Transition Diagram ........................................................................................... 91
Section 7 ROM
Figure 7.1 Flash Memory Block Configuration............................................................................ 98
Figure 7.2 Programming/Erasing Flowchart Example in User Program Mode.......................... 106
Figure 7.3 Program/Program-Verify Flowchart ......................................................................... 108
Figure 7.4 Erase/Erase-Verify Flowchart ................................................................................... 111
Section 9 I/O Ports
Figure 9.1 Port 1 Pin Configuration............................................................................................ 117
Figure 9.2 Port 2 Pin Configuration............................................................................................ 121
Figure 9.3 Port 5 Pin Configuration............................................................................................ 124
Figure 9.4 Port 7 Pin Configuration............................................................................................ 128
Figure 9.5 Port 8 Pin Configuration............................................................................................ 130
Figure 9.6 Port B Pin Configuration...........................................................................................134
Figure 9.7 Port C Pin Configuration...........................................................................................136
Section 10 Timer B1
Figure 10.1 Block Diagram of Timer B1.................................................................................... 139
Section 11 Timer V
Figure 11.1 Block Diagram of Timer V ..................................................................................... 146
Figure 11.2 Increment Timing with Internal Clock.................................................................... 153
Figure 11.3 Increment Timing with External Clock................................................................... 153
Figure 11.4 OVF Set Timing...................................................................................................... 153
Figure 11.5 CMFA and CMFB Set Timing ................................................................................ 154