Renesas R8C/18 Series Hardware Manual page 12

15.2 Clock Asynchronous Serial I/O (UART) Mode ........................................157
15.2.1 CNTR0 Pin Select Function..............................................................160
15.2.2 Bit Rate.............................................................................................161
15.3 Notes on Serial Interface.........................................................................162
16. Comparator
16.1 One-Shot Mode .......................................................................................167
16.2 Repeat Mode...........................................................................................169
16.3 Notes on Comparator ..............................................................................171
17. Flash Memory Version
17.1 Overview .................................................................................................172
17.2 Memory Map ...........................................................................................174
17.3 Functions to Prevent Rewriting of Flash Memory....................................176
17.3.1 ID Code Check Function ..................................................................176
17.3.2 ROM Code Protect Function ............................................................177
17.4 CPU Rewrite Mode..................................................................................178
17.4.1 EW0 Mode........................................................................................179
17.4.2 EW1 Mode........................................................................................179
17.4.3 Software Commands ........................................................................188
17.4.4 Status Register .................................................................................192
17.4.5 Full Status Check .............................................................................193
17.5 Standard Serial I/O Mode........................................................................195
17.5.1 ID Code Check Function ..................................................................195
17.6 Parallel I/O Mode.....................................................................................199
17.6.1 ROM Code Protect Function ............................................................199
17.7 Notes on Flash Memory Version .............................................................200
17.7.1 CPU Rewrite Mode...........................................................................200
18. Electrical Characteristics
19. Usage Notes
19.1 Notes on Clock Generation Circuit ..........................................................217
19.1.1 Stop Mode and Wait Mode ...............................................................217
19.1.2 Oscillation Stop Detection Function..................................................217
19.1.3 Oscillation Circuit Constants.............................................................217
19.1.4 High-Speed On-Chip Oscillator Clock ..............................................217
A - 5
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