H8S2245 datasheet(30/818 Pages) RENESAS

30 / 818 page

Rev.3.00 Mar. 26, 2007 Page xxx of xlii

REJ09B0355-0300

2.8.4

Program Execution State......................................................................................

2.8.5

Bus-Released State...............................................................................................

2.8.6

Power-Down State ...............................................................................................

2.9

Basic Timing .....................................................................................................................

2.9.1

Overview..............................................................................................................

2.9.2

On-Chip Memory (ROM, RAM) .........................................................................

2.9.3

On-Chip Supporting Module Access Timing ......................................................

2.9.4

External Address Space Access Timing ..............................................................

2.10

Usage Notes ......................................................................................................................

2.10.1 TAS Instruction....................................................................................................

2.10.2 STM/LDM Instruction .........................................................................................

2.10.3 Bit Manipulation Instructions ..............................................................................

2.10.4 Access Methods for Registers with Write-Only Bits ...........................................

Section 3 MCU Operating Modes .................................................................................. 71

3.1

Overview...........................................................................................................................

3.1.1

Operating Mode Selection ...................................................................................

3.1.2

3.2

Register Descriptions ........................................................................................................73

3.2.1

Mode Control Register (MDCR) .........................................................................

3.2.2

System Control Register (SYSCR) ......................................................................

3.3

Operating Mode Descriptions ...........................................................................................

3.3.1

Mode 1 .................................................................................................................

3.3.2

Mode 2 .................................................................................................................

3.3.3

Mode 3 .................................................................................................................

3.3.4

Mode 4 .................................................................................................................

3.3.5

Mode 5 .................................................................................................................

3.3.6

Mode 6 .................................................................................................................

3.3.7

Mode 7 .................................................................................................................

3.4

Pin Functions in Each Operating Mode ............................................................................

3.5

Memory Map in Each Operating Mode ............................................................................

Section 4 Exception Handling ......................................................................................... 93

4.1

Overview...........................................................................................................................

4.1.1

Exception Handling Types and Priority...............................................................

4.1.2

Exception Handling Operation ............................................................................

4.1.3

Exception Sources and Vector Table ...................................................................

4.2

Reset..................................................................................................................................

4.2.1

Overview..............................................................................................................

4.2.2

Reset Types..........................................................................................................

4.2.3

Reset Sequence ....................................................................................................

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