Hitachi H8/3637 Hardware Manual page 6

5.4 Watch Mode ...................................................................................................................... 97
5.4.1 Transition to Watch Mode.................................................................................... 97
5.4.2 Clearing Watch Mode .......................................................................................... 97
5.4.3 Oscillator Settling Time after Watch Mode is Cleared ........................................ 97
5.5 Subsleep Mode .................................................................................................................. 98
5.5.1 Transition to Subsleep Mode................................................................................ 98
5.5.2 Clearing Subsleep Mode ...................................................................................... 98
5.6 Subactive Mode ................................................................................................................. 99
5.6.1 Transition to Subactive Mode .............................................................................. 99
5.6.2 Clearing Subactive Mode .....................................................................................
5.6.3 Operating Frequency in Subactive Mode ............................................................. 99
5.7 Active (medium-speed) Mode ........................................................................................... 100
5.7.1 Transition to Active (medium-speed) Mode ........................................................ 100
5.7.2 Clearing Active (medium-speed) Mode ............................................................... 100
5.7.3 Operating Frequency in Active (medium-speed) Mode ....................................... 100
5.8 Direct Transfer................................................................................................................... 101
5.8.1 Overview .............................................................................................................. 101
5.8.2 Direct Transfer Time ............................................................................................ 102
Section 6 ROM
6.1 Overview............................................................................................................................ 105
6.1.1 Block Diagram...................................................................................................... 105
6.2 PROM Mode...................................................................................................................... 106
6.2.1 Selection of PROM Mode .................................................................................... 106
6.2.2 Socket Adapter Pin Arrangement and Memory Map ........................................... 106
6.3 Programming ..................................................................................................................... 109
6.3.1 Programming and Verification ............................................................................. 110
6.3.2 Programming Precautions .................................................................................... 114
6.4 Reliability of Programmed Data........................................................................................ 115
Section 7 RAM
7.1 Overview............................................................................................................................ 117
7.1.1 Block Diagram...................................................................................................... 117
Section 8 I/O Ports
8.1 Overview............................................................................................................................ 119
8.2 Port 1.................................................................................................................................. 121
8.2.1 Overview .............................................................................................................. 121
8.2.2 Register Configuration and Description............................................................... 121
8.2.3 Pin Functions........................................................................................................ 125
8.2.4 Pin States .............................................................................................................. 127
8.2.5 MOS Input Pull-Up .............................................................................................. 127
8.3 Port 2.................................................................................................................................. 128
................................................................................................................... 105
................................................................................................................... 117
............................................................................................................ 119
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