Key Switch Control - Renesas SH7727 General Information Manual

R0P7727TH003TRKE General Information Manual

6.5 Key Switch Control

Figure 6.12 shows the T-Engine 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 T-Engine Switch
T-Engine Board
LCD
SW1
SW2
Application switch
74
Power Supply Controller
SW3