Contents-15
(2) Interrupt enable register 1 (IE1) .............................................................. 17-18
(3) Interrupt enable register 2 (IE2) .............................................................. 17-19
(4) Interrupt enable register 3 (IE3) .............................................................. 17-20
(5) Interrupt enable register 4 (IE4) .............................................................. 17-21
17.4.3 Interrupt Priority Control Registers (IP0 to IP9) ...................................... 17-22
(1) Interrupt priority control register 0 (IP0) .................................................. 17-22
(2) Interrupt priority control register 1 (IP1) .................................................. 17-23
(3) Interrupt priority control register 2 (IP2) .................................................. 17-24
(4) Interrupt priority control register 3 (IP3) .................................................. 17-25
(5) Interrupt priority control register 4 (IP4) .................................................. 17-26
(6) Interrupt priority control register 5 (IP5) .................................................. 17-27
(7) Interrupt priority control register 6 (IP6) .................................................. 17-28
(8) Interrupt priority control register 7 (IP7) .................................................. 17-29
(9) Interrupt priority control register 8 (IP8) .................................................. 17-30
(10) Interrupt priority control register 9 (IP9) .................................................. 17-31
Chapter 18
Bus Port Functions
18.1 Overview ........................................................................................................ 18-1
18.2 Port Operation ................................................................................................ 18-1
18.2.1 Port Operation When Accessing Program Memory .................................. 18-1
18.2.2 Port Operation When Accessing Data Memory ........................................ 18-4
18.3 External Memory Access ............................................................................... 18-6
18.3.1 External Program Memory Access ........................................................... 18-6
18.3.2 External Data Memory Access ................................................................. 18-8
18.4 External Memory Access Timing ................................................................. 18-10
18.4.1 External Program Memory Access Timing ............................................. 18-10
18.4.2 External Data Memory Access Timing .................................................... 18-12
18.5 Notes Regarding Usage of Bus Port Function ............................................. 18-16
18.5.1 Dummy Read Strobe Output .................................................................. 18-16
18.5.2 External Bus Access Timing ................................................................... 18-18
Chapter 19
Flash Memory
19.1 Overview ........................................................................................................ 19-1
19.2 Features ......................................................................................................... 19-1
19.3 Programming Modes ...................................................................................... 19-2
19.4 Parallel Mode ................................................................................................. 19-4
19.4.1 Overview of the Parallel Mode .................................................................. 19-4
19.4.2 PROM Writer Setting ................................................................................ 19-4
19.4.3 Flash Memory Programming Conversion Adapter .................................... 19-4