Key Switch Control - Hitachi SH7760 Solution Engine2 Overview

6.5 Key Switch Control

Figure 6.12 shows the Solution Engine2 switches under control by the power supply controller. The power
supply controller controls the switches SW1 to SW3 on the CPU board and the switches SW1to SW3 on the LCD
board.
CPU board
switch
Power-on switch
SW1
SW1
Reset switch
SW2
SW2
NMI switch
SW3
SW2
Figure 6.12 Solution Engine 2 Switch
85
Solution Engine 2
LCD
SW1
SW2
Application switch
SW3