NEC PD789860 User Manual page 13

CHAPTER 12 BIT SEQUENTIAL BUFFER ........................................................................................132
12.1 Bit Sequential Buffer Functions .............................................................................................132
12.2 Bit Sequential Buffer Configuration....................................................................................... 132
12.3 Bit Sequential Buffer Control Register ..................................................................................133
12.4 Bit Sequential Buffer Operation .............................................................................................134
CHAPTER 13 KEY RETURN CIRCUIT...............................................................................................135
13.1 Key Return Circuit Function ...................................................................................................135
13.2 Key Return Circuit Configuration and Operation .................................................................135
CHAPTER 14 INTERRUPT FUNCTIONS ............................................................................................136
14.1 Interrupt Function Types.........................................................................................................136
14.2 Interrupt Sources and Configuration.....................................................................................137
14.3 Interrupt Function Control Registers.....................................................................................139
14.4 Interrupt Servicing Operation.................................................................................................141
14.4.1 Non-maskable interrupt request acknowledgment operation..................................................... 141
14.4.2 Maskable interrupt request acknowledgment operation ............................................................ 143
14.4.3 Multiple interrupt servicing......................................................................................................... 146
14.4.4 Interrupt request pending .......................................................................................................... 147
CHAPTER 15 STANDBY FUNCTION..................................................................................................148
15.1 Standby Function and Configuration ....................................................................................148
15.1.1 Standby function........................................................................................................................ 148
15.1.2 Standby function control register ............................................................................................... 149
15.2 Standby Function Operation ..................................................................................................150
15.2.1 HALT mode ............................................................................................................................... 150
15.2.2 STOP mode .............................................................................................................................. 153
CHAPTER 16 RESET FUNCTION .......................................................................................................156
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CHAPTER 17 PD78E9860A, 78E9861A............................................................................................159
17.1 EEPROM Features (Program Memory) ..................................................................................160
17.1.1 Programming environment ........................................................................................................ 160
17.1.2 Communication mode ............................................................................................................... 161
17.1.3 On-board pin processing ........................................................................................................... 164
17.1.4 Connection of adapter for EEPROM writing .............................................................................. 167
CHAPTER 18 MASK OPTIONS ...........................................................................................................169
CHAPTER 19 INSTRUCTION SET OVERVIEW.................................................................................170
19.1 Operation ..................................................................................................................................170
19.1.1 Operand identifiers and description methods ............................................................................ 170
19.1.2 Description of "Operation" column............................................................................................. 171
User's Manual U14826EJ5V0UD
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