Clock Source Select Header (P6) - Motorola HC05L1 Series User Manual

2.1.3

Clock Source Select Header (P6)

HC05L1EM USER'S MANUAL
Jumper header P6 determines the source of the clock signal. The dia-
gram below shows the factory configuration: the fabricated jumper
between pins 2 and 3 selects the L1EM canned oscillator clock source.
FABRICATED
JUMPER
Alternatively, you may use a clock source originating from the control
board. To do so, reposition the P6 jumper between pins 1 and 2, then use
the MMDS05 OSC command to select a frequency.
P6
1
MMDS05
2
XTAL
3
2
MOTOROLA
2-3