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CHAPTER 15 SERIAL INTERFACE (SIO30) ................................................................................... 251
15.1 Serial Interface (SIO30) Functions ..................................................................................... 251
15.2 Serial Interface (SIO30) Configuration ............................................................................... 252
15.3 Register to Control Serial Interface (SIO30) ...................................................................... 253
15.4 Serial Interface (SIO30) Operations .................................................................................... 254
15.4.1 Operation stop mode ..................................................................................................................
15.4.2 2-wire serial I/O mode ................................................................................................................
CHAPTER 16 SERIAL INTERFACE (SIO31) ................................................................................... 257
16.1 Serial Interface (SIO31) Functions ..................................................................................... 257
16.2 Serial Interface (SIO31) Configuration ............................................................................... 258
16.3 Register to Control Serial Interface (SIO31) ...................................................................... 259
16.4 Serial Interface (SIO31) Operations .................................................................................... 260
16.4.1 Operation stop mode ..................................................................................................................
16.4.2 3-wire serial I/O mode ................................................................................................................
CHAPTER 17 INTERRUPT FUNCTIONS ......................................................................................... 263
17.1 Interrupt Function Types ..................................................................................................... 263
17.2 Interrupt Sources and Configuration ................................................................................. 263
17.3 Interrupt Function Control Registers ................................................................................. 267
17.4 Interrupt Servicing Operations ........................................................................................... 273
17.4.1 Non-maskable interrupt request acknowledge operation ...........................................................
17.4.2 Maskable interrupt acknowledge operation ................................................................................
17.4.3 Software interrupt request acknowledge operation ....................................................................
17.4.4 Multiple interrupt servicing .........................................................................................................
17.4.5 Interrupt request hold .................................................................................................................
CHAPTER 18 EXTERNAL DEVICE EXPANSION FUNCTION ........................................................ 283
18.1 External Device Expansion Function ................................................................................. 283
18.2 External Device Expansion Function Control Register .................................................... 285
18.3 External Device Expansion Function Timing .................................................................... 287
18.4 Example of Connection with Memory ................................................................................ 292
CHAPTER 19 STANDBY FUNCTION ............................................................................................... 293
19.1 Standby Function and Configuration ................................................................................. 293
19.1.1 Standby function ........................................................................................................................
19.1.2 Standby function control register ................................................................................................
19.2 Standby Function Operations ............................................................................................. 295
19.2.1 HALT mode ................................................................................................................................
19.2.2 STOP mode ................................................................................................................................
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