UPD30181 Datasheet, PDF (18/444 Pages) NEC – 64-/32-Bit Microprocessor

CHAPTER 11 REALTIME CLOCK UNIT (RTC) ................................................................................ 216
11.1 General .................................................................................................................................... 216
11.2 Register Set ............................................................................................................................ 216
11.2.1 ElapsedTime registers ............................................................................................................... 217
11.2.2 ElapsedTime compare registers ................................................................................................ 219
11.2.3 RTCLong1 registers .................................................................................................................. 221
11.2.4 RTCLong1 count registers ......................................................................................................... 223
11.2.5 RTCLong2 registers .................................................................................................................. 225
11.2.6 RTCLong2 count registers ......................................................................................................... 227
11.2.7 RTC interrupt register ................................................................................................................ 229
CHAPTER 12 DEADMAN’S SWITCH UNIT (DSU) ........................................................................... 230
12.1 General .................................................................................................................................... 230
12.2 Register Set ............................................................................................................................ 230
12.2.1 DSUCNTREG (0x0B00 00E0) ................................................................................................... 231
12.2.2 DSUSETREG (0x0B00 00E2) ................................................................................................... 232
12.2.3 DSUCLRREG (0x0B00 00E4) ................................................................................................... 233
12.2.4 DSUTIMREG (0x0B00 00E6) .................................................................................................... 234
12.3 Register Setting Flow ............................................................................................................ 235
CHAPTER 13 GENERAL PURPOSE I/O UNIT (GIU) ...................................................................... 236
13.1 Overview ................................................................................................................................. 236
13.1.1 GPIO pins and alternate functions ............................................................................................. 236
13.1.2 I/O direction control ................................................................................................................... 238
13.1.3 General-purpose registers ......................................................................................................... 238
13.2 Alternate Functions Overview .............................................................................................. 238
13.2.1 Clocked serial interface (CSI) .................................................................................................... 238
13.2.2 Serial interface channels 1 and 2 .............................................................................................. 239
13.2.3 LCD interface ............................................................................................................................. 241
13.2.4 Programmable chip selects ....................................................................................................... 242
13.2.5 16-bit bus cycles ........................................................................................................................ 242
13.2.6 General purpose input/output .................................................................................................... 242
13.2.7 Interrupt requests and wake-up events ..................................................................................... 243
13.3 Register Set ............................................................................................................................ 244
13.3.1 GPMD0REG (0x0B00 0300) ...................................................................................................... 246
13.3.2 GPMD1REG (0x0B00 0302) ...................................................................................................... 248
13.3.3 GPMD2REG (0x0B00 0304) ...................................................................................................... 250
13.3.4 GPMD3REG (0x0B00 0306) ...................................................................................................... 252
13.3.5 GPDATHREG (0x0B00 0308) ................................................................................................... 254
13.3.6 GPDATLREG (0x0B00 030A) .................................................................................................... 255
13.3.7 GPINTEN (0x0B00 030C) .......................................................................................................... 256
13.3.8 GPINTMSK (0x0B00 030E) ....................................................................................................... 257
13.3.9 GPINTTYPH (0x0B00 0310) ...................................................................................................... 258
13.3.10 GPINTTYPL (0x0B00 0312) .................................................................................................... 260
13.3.11 GPINTSTAT (0x0B00 0314) .................................................................................................... 262
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User’s Manual U14272EJ3V0UM