vii
11.3 Channel ........................................................................................................................... 141
11.4 Pins .................................................................................................................................. 142
11.5 Interrupts ......................................................................................................................... 143
11.6 Operation of Interval Timer Function (One-shot Mode) ................................................... 144
11.7 Operation of Interval Timer Function (Continuous Mode) ............................................... 146
11.8 Operation of Interval Timer Function (Free-run Mode) .................................................... 148
11.9 Operation of PWM Timer Function (Fixed-cycle Mode) .................................................. 150
11.10 Operation of PWM Timer Function (Variable-cycle Mode) .............................................. 152
11.11 Operation of PWC Timer Function .................................................................................. 154
11.12 Operation of Input Capture Function ............................................................................... 156
11.13 Operation of Noise Filter .................................................................................................. 158
11.14 Registers ......................................................................................................................... 159
11.14.1 8/16-bit Composite Timer Status Control Register 0 (Tn0CR0/Tn1CR0) ................... 160
11.14.2 8/16-bit Composite Timer Status Control Register 1 (Tn0CR1/Tn1CR1) ................... 163
11.14.3 8/16-bit Composite Timer Timer Mode Control Register (TMCRn) ............................ 167
11.14.4 8/16-bit Composite Timer Data Register (Tn0DR/Tn1DR) ......................................... 170
11.15 Notes on Using 8/16-bit Composite Timer ....................................................................... 173
CHAPTER 12 EXTERNAL INTERRUPT CIRCUIT ............................................. 175
12.1 Overview .......................................................................................................................... 176
12.2 Configuration ................................................................................................................... 177
12.3 Channels ......................................................................................................................... 178
12.4 Pin ................................................................................................................................... 179
12.5 Interrupt ........................................................................................................................... 180
12.6 Operations and Setting Procedure Example ................................................................... 181
12.7 Register ........................................................................................................................... 183
12.7.1 External Interrupt Control Register (EIC) .................................................................... 184
12.8 Notes on Using External Interrupt Circuit ........................................................................ 186
CHAPTER 13 INTERRUPT PIN SELECTION CIRCUIT ..................................... 187
13.1 Overview .......................................................................................................................... 188
13.2 Configuration ................................................................................................................... 189
13.3 Pins .................................................................................................................................. 190
13.4 Operation ......................................................................................................................... 191
13.5 Register ........................................................................................................................... 192
13.5.1 Interrupt Pin Selection Circuit Control Register (WICR) ............................................. 193
13.6 Notes on Using Interrupt Pin Selection Circuit ................................................................ 196
CHAPTER 14 LIN-UART .................................................................................... 197
14.1 Overview .......................................................................................................................... 198
14.2 Configuration ................................................................................................................... 200
14.3 Pins .................................................................................................................................. 205
14.4 Interrupts ......................................................................................................................... 206
14.4.1 Timing of Receive Interrupt Generation and Flag Set ................................................ 209
14.4.2 Timing of Transmit Interrupt Generation and Flag Set ............................................... 211
14.5 LIN-UART Baud Rate ...................................................................................................... 213
14.5.1 Baud Rate Setting ...................................................................................................... 215
14.5.2 Reload Counter .......................................................................................................... 219
14.6 Operations of LIN-UART and LIN-UART Setting Procedure Example ............................ 221