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UPD784938 Datasheet(PDF) 15 Page - NEC |
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UPD784938 Datasheet(HTML) 15 Page - NEC |
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15 / 733 page  15 Preliminary User’s Manual U13987EJ1V0UM00 6.7.5 Direct LED drive ........................................................................................................................... 168 6.8 Port 6 ......................................................................................................................................... 169 6.8.1 Hardware configuration ................................................................................................................ 170 6.8.2 I/O mode/control mode setting .................................................................................................... 174 6.8.3 Operating status ........................................................................................................................... 176 6.8.4 On-chip pull-up resistors .............................................................................................................. 178 6.9 Port 7 ......................................................................................................................................... 179 6.9.1 Hardware configuration ................................................................................................................ 179 6.9.2 I/O mode/control mode setting .................................................................................................... 180 6.9.3 Operating status ........................................................................................................................... 181 6.9.4 On-chip pull-up resistors .............................................................................................................. 182 6.9.5 Caution ......................................................................................................................................... 182 6.10 Port 9 ......................................................................................................................................... 183 6.10.1 Hardware configuration ................................................................................................................ 183 6.10.2 I/O mode/control mode setting .................................................................................................... 184 6.10.3 Operating status ........................................................................................................................... 185 6.10.4 On-chip pull-up resistors .............................................................................................................. 187 6.11 Port 10 ....................................................................................................................................... 188 6.11.1 Hardware configuration ................................................................................................................ 189 6.11.2 I/O mode/control mode setting .................................................................................................... 193 6.11.3 Operating status ........................................................................................................................... 194 6.11.4 On-chip pull-up resistors .............................................................................................................. 197 6.12 Port Output Check Function .................................................................................................. 198 6.13 Cautions .................................................................................................................................... 199 CHAPTER 7 REAL-TIME OUTPUT FUNCTION .................................................................................. 201 7.1 Configuration and Function ................................................................................................... 201 7.2 Real-time Output Port Control Register (RTPC).................................................................. 203 7.3 Real-time Output Port Accesses ........................................................................................... 204 7.4 Operation .................................................................................................................................. 206 7.5 Example of Use ........................................................................................................................ 209 7.6 Cautions .................................................................................................................................... 211 CHAPTER 8 OUTLINE OF TIMER ....................................................................................................... 213 CHAPTER 9 TIMER/EVENT COUNTER 0 ........................................................................................... 215 9.1 Functions .................................................................................................................................. 215 9.2 Configuration ............................................................................................................................ 218 9.3 Timer/Event Counter 0 Control Registers......................................................................... 221 9.4 Timer Counter 0 (TM0) Operation .......................................................................................... 226 9.4.1 Basic operation ............................................................................................................................ 226 9.4.2 Clear operation ............................................................................................................................. 228 9.5 External Event Counter Function .......................................................................................... 230 9.6 Compare Register and Capture Register Operation ........................................................... 233 9.6.1 Compare operations .................................................................................................................... 233 9.6.2 Capture operations ...................................................................................................................... 235 9.7 Basic Operation of Output Control Circuit .......................................................................... 236 9.7.1 Basic operation ............................................................................................................................ 238 |
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