HD6473847RHV Datasheet, PDF (13/546 Pages) Renesas Technology Corp – Renesas 8-Bit Single-Chip Microcomputer H8 Family / H8/300L Super Low Power Series

4.6.4 Notes on Use of Resonator.................................................................................... 108
4.6.5 Notes on H8/38104 Group .................................................................................... 109
Section 5 Power-Down Modes ......................................................................... 111
5.1 Register Descriptions ......................................................................................................... 112
5.1.1 System Control Register 1 (SYSCR1) .................................................................. 112
5.1.2 System Control Register 2 (SYSCR2) .................................................................. 115
5.1.3 Clock Halt Registers 1 and 2 (CKSTPR1 and CKSTPR2) ................................... 116
5.2 Mode Transitions and States of LSI................................................................................... 118
5.2.1 Sleep Mode ........................................................................................................... 122
5.2.2 Standby Mode ....................................................................................................... 123
5.2.3 Watch Mode.......................................................................................................... 123
5.2.4 Subsleep Mode...................................................................................................... 124
5.2.5 Subactive Mode .................................................................................................... 124
5.2.6 Active (Medium-Speed) Mode ............................................................................. 125
5.3 Direct Transition ................................................................................................................ 126
5.3.1 Direct Transition from Active (High-Speed) Mode to Active
(Medium-Speed) Mode......................................................................................... 127
5.3.2 Direct Transition from Active (Medium-Speed) Mode to Active
(High-Speed) Mode .............................................................................................. 128
5.3.3 Direct Transition from Subactive Mode to Active (High-Speed) Mode ............... 128
5.3.4 Direct Transition from Subactive Mode to Active (Medium-Speed) Mode ......... 129
5.3.5 Notes on External Input Signal Changes before/after Direct Transition............... 129
5.4 Module Standby Function .................................................................................................. 130
5.5 Usage Notes ....................................................................................................................... 130
5.5.1 Standby Mode Transition and Pin States .............................................................. 130
5.5.2 Notes on External Input Signal Changes before/after Standby Mode................... 130
5.5.3 Contention Between Module Standby and Interrupts ........................................... 132
Section 6 ROM ................................................................................................. 133
6.1 Block Diagram ................................................................................................................... 133
6.2 H8/3802 PROM Mode ....................................................................................................... 134
6.2.1 Setting to PROM Mode......................................................................................... 134
6.2.2 Socket Adapter Pin Arrangement and Memory Map............................................ 134
6.3 H8/3802 Programming....................................................................................................... 137
6.3.1 Writing and Verifying........................................................................................... 137
6.3.2 Programming Precautions ..................................................................................... 141
6.4 Reliability of Programmed Data ........................................................................................ 142
6.5 Overview of Flash Memory ............................................................................................... 143
6.5.1 Features................................................................................................................. 143
6.5.2 Block Diagram ...................................................................................................... 144
Rev. 7.00 Mar. 08, 2010 Page xi of xxx
REJ09B0024-0700