Datasheet

79
3.3 Pin Configuration
Table 3.4 describes the function of each operating mode related pin.
Table 3.4 Operating Mode Pin Function
Pin
Name Input/Output Function
XTAL Input Connects to a crystal oscillator
EXTAL Input Connects to a crystal oscillator, or used for external clock input pin
PLLCAP Input Connects to a capacitor for PLL circuit operation
MD0 Input Designates operating mode through the level applied to this pin
MD1 Input Designates operating mode through the level applied to this pin
MD2 Input Designates clock mode through the level applied to this pin
MD3 Input Designates clock mode through the level applied to this pin