User’s Manual U13850EJ4V0UM
17
LIST OF FIGURES (1/9)
Figure No.
Title
Page
3-1
CPU Register Set ............................................................................................................................................74
3-2
Program Counter (PC).....................................................................................................................................75
3-3
Interrupt Source Register (ECR)......................................................................................................................76
3-4
Program Status Word (PSW) ..........................................................................................................................77
3-5
CPU Address Space........................................................................................................................................79
3-6
Image on Address Space ................................................................................................................................80
3-7
Program Space................................................................................................................................................81
3-8
Data Space......................................................................................................................................................81
3-9
Memory Map....................................................................................................................................................82
3-10
Internal ROM Area (128 KB)............................................................................................................................83
3-11
Internal ROM/Flash Memory Area (256 KB) ....................................................................................................83
3-12
Internal ROM Area (384 KB)............................................................................................................................84
3-13
Internal ROM/Flash Memory Area (512 KB) ....................................................................................................84
3-14
Internal RAM Area (12 KB) ..............................................................................................................................86
3-15
Internal RAM Area (16 KB) ..............................................................................................................................86
3-16
Internal RAM Area (20 KB) ..............................................................................................................................87
3-17
Internal RAM Area (24 KB) ..............................................................................................................................87
3-18
Internal Peripheral I/O Area .............................................................................................................................88
3-19
External Memory Area (When Expanded to 64 K, 256 K, or 1 MB).................................................................89
3-20
External Memory Area (When Expanded to 4 MB)..........................................................................................90
3-21
Memory Expansion Mode Register (MM) Format ............................................................................................91
3-22
Memory Address Output Mode Register (MAM) Format..................................................................................92
3-23
Application of Wrap-Around.............................................................................................................................93
3-24
Recommended Memory Map (Flash Memory Version) ...................................................................................94
3-25
Command Register (PRCMD) .......................................................................................................................105
3-26
System Status Register (SYS).......................................................................................................................105
4-1
System Control Register (SYC) .....................................................................................................................107
4-2
Byte Access (8 Bits).......................................................................................................................................108
4-3
Halfword Access (16 Bits)..............................................................................................................................108
4-4
Word Access (32 Bits)...................................................................................................................................108
4-5
Memory Block ................................................................................................................................................109
4-6
Data Wait Control Register (DWC)................................................................................................................110
4-7
Wait Control...................................................................................................................................................111
4-8
Example of Inserting Wait States ..................................................................................................................111
4-9
Bus Cycle Control Register (BCC).................................................................................................................112
4-10
Bus Hold Procedure.......................................................................................................................................114
4-11
Memory Read ................................................................................................................................................115
4-12
Memory Write ................................................................................................................................................119
4-13
Bus Hold Timing ............................................................................................................................................121