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5.3.3
Oscillator Settling Time after Standby Mode is Cleared ...................................... 100
5.3.4
Transition to Standby Mode and Port Pin States .................................................. 101
5.4
Watch Mode ....................................................................................................................... 101
5.4.1
Transition to Watch Mode .................................................................................... 101
5.4.2
Clearing Watch Mode ........................................................................................... 102
5.4.3
Oscillator Settling Time after Watch Mode is Cleared ......................................... 102
5.5
Subsleep Mode ................................................................................................................... 102
5.5.1
Transition to Subsleep Mode ................................................................................ 102
5.5.2
Clearing Subsleep Mode ....................................................................................... 103
5.6
Subactive Mode.................................................................................................................. 103
5.6.1
Transition to Subactive Mode ............................................................................... 103
5.6.2
Clearing Subactive Mode...................................................................................... 103
5.6.3
Operating Frequency in Subactive Mode.............................................................. 103
5.7
Active (medium-speed) Mode............................................................................................ 104
5.7.1
Transition to Active (medium-speed) Mode ......................................................... 104
5.7.2
Clearing Active (medium-speed) Mode................................................................ 104
5.7.3
Operating Frequency in Active (medium-speed) Mode........................................ 104
5.8
Direct Transfer.................................................................................................................... 104
5.8.1
Direct Transfer Overview...................................................................................... 104
5.8.2
Calculation of Direct Transfer Time before Transition ........................................ 106
Section 6
ROM.................................................................................................................... 109
6.1
Overview ............................................................................................................................ 109
6.1.1
Block Diagram ...................................................................................................... 109
6.2
H8/3834 PROM Mode ....................................................................................................... 110
6.2.1
Setting to PROM Mode......................................................................................... 110
6.2.2
Socket Adapter Pin Arrangement and Memory Map............................................ 110
6.3
H8/3834 Programming ....................................................................................................... 113
6.3.1
Writing and Verifying ........................................................................................... 113
6.3.2
Programming Precautions ..................................................................................... 117
6.4
H8/3837 PROM Mode ....................................................................................................... 118
6.4.1
Setting to PROM Mode......................................................................................... 118
6.4.2
Socket Adapter Pin Arrangement and Memory Map............................................ 118
6.5
H8/3837 Programming ....................................................................................................... 121
6.5.1
Writing and Verifying ........................................................................................... 121
6.5.2
Programming Precautions ..................................................................................... 126
6.6
Reliability of Programmed Data ........................................................................................ 127
Section 7
RAM.................................................................................................................... 129
7.1
Overview ............................................................................................................................ 129
7.1.1
Block Diagram ...................................................................................................... 129
Section 8
I/O Ports ............................................................................................................. 131