MB90420G/425G Series
(Continued)
Pin no.
LQFP
QFP
Symbol
Circuit
type
Description
47, 48 49, 50 MD0, MD1 C Test mode input pins. Connect to VCC.
49
51
MD2 C/D *2 Text mode input pin. Connect to VSS.
25
27
C
⎯
External capacitor pin. Connect an 0.1 µF capacitor between this
pin and VSS.
21, 82 23, 84
VCC
⎯ Power supply input pins.
9, 40, 79 11, 42, 81 VSS
⎯ GND power supply pins.
*1 : MB90420G series only.
*2 : Type C in the flash ROM models, type D in the mask ROM models.
10
DS07-13711-5E