SH7708 datasheet(12/633 Pages) RENESAS

12 / 633 page

7.1.4

Break Conditions and Register Settings ............................................................... 125

7.2

UBC Register Functions.................................................................................................... 126

7.2.1

Break Address Register A (BARA) ..................................................................... 126

7.2.2

Break Address Register B (BARB)...................................................................... 126

7.2.3

Break ASID Register A (BASRA) ....................................................................... 127

7.2.4

Break ASID Register B (BASRB) ....................................................................... 127

7.2.5

Break Address Mask Register A (BAMRA)........................................................ 127

7.2.6

Break Address Mask Register B (BAMRB) ........................................................ 128

7.2.7

Break Bus Cycle Register A (BBRA) .................................................................. 128

7.2.8

Break Bus Cycle Register B (BBRB) .................................................................. 129

7.2.9

Break Data Register B (BDRB) ........................................................................... 130

7.2.10 Break Data Mask Register B (BDMRB).............................................................. 131

7.2.11 Break Control Register (BRCR) .......................................................................... 132

7.3

UBC Operation .................................................................................................................. 134

7.3.1

User Break Operation Flow.................................................................................. 134

7.3.2

Instruction Fetch Cycle Break.............................................................................. 135

7.3.3

Data Access Cycle Break ..................................................................................... 136

7.3.4

Saved Program Counter (PC) Value .................................................................... 137

7.3.5

Examples of Use................................................................................................... 138

7.3.6

Cautions................................................................................................................ 140

Section 8 Power-Down Modes ........................................................................................ 141

8.1

Overview............................................................................................................................ 141

8.1.1

Power-Down Modes ............................................................................................. 141

8.1.2

8.1.3

Pin Configuration ................................................................................................. 143

8.2

Register Description .......................................................................................................... 143

8.2.1

Standby Control Register (STBCR) ..................................................................... 143

8.3

Sleep Mode ........................................................................................................................ 145

8.3.1

Transition to Sleep Mode ..................................................................................... 145

8.3.2

Canceling Sleep Mode.......................................................................................... 145

8.4

Standby Mode.................................................................................................................... 145

8.4.1

Transition to Standby Mode ................................................................................. 145

8.4.2

Canceling Standby Mode ..................................................................................... 146

8.4.3

Clock Pause Function ........................................................................................... 147

8.5

Module Standby Function.................................................................................................. 147

8.5.1

Transition to Module Standby Function............................................................... 147

8.5.2

Clearing the Module Standby Function................................................................ 148

8.6

Timing of STATUS Pin Changes...................................................................................... 148

8.6.1

Timing for Resets ................................................................................................. 148

8.6.2

Timing for Canceling Standbys............................................................................ 150

8.6.3

Timing for Canceling Sleep Mode ....................................................................... 151

8.7

Hardware Standby Mode ................................................................................................... 153

SH7708 数据表(PDF) 12 Page - Renesas Technology Corp

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