EMAC CPC-2400, Руководство пользователя, Страница: 13 / 32

Chapter 1 Hardware Configuration 5
1.4.1 LCD shift clock select (J1)
This jumper is used to decide clock phase. "Shift clock -" is the
negative phase of "Shift clock".
Table 1-1: LCD shift clock select (J1)
Function Pins 1-2 Pins 2-3
Shift clock Closed Open
Shift clock - Open Closed
1.4.2 LCD 3.3/5 V select (J2)
This jumper is used to decide LCD supply voltage.
Table 1-2: LCD 3.3/5 V select (J2)
Function Pins 1-2 Pins 2-3
5 V Closed Open
3.3 V Open Closed
1.4.3 Reset switch (J4)
Momentarily pressing the switch will activate a reset.
1.4.4 VGA source select (S1)
This switch is used to decided VGA signal source. When the
CPC-2520 is not plugged into the CPC-2245, the switch must be set to
"STPC". If the CPC-2520 is plugged into the CPC-2245, the switch
must be set to "69K".
Table 1-3: VGA source select (S1)
Function Pins 1 ~ 8
From CPC-2245 (STPC) ON
From CPC-2520 (69K) OFF