Freescale Semiconductor Daughter Card for DEMOEM DCF51EM256 DCF51EM256 Manual De Usuario
Los códigos de productos
DCF51EM256
DEMOEM User Manual
29
Figure 7-14: PTB0 IR Enable (J43)
7.8
External Crystal Circuitry
The DEMOEM design incorporates, but has not populated, a crystal circuit for
XOSC2. Jumper 17 enables the EXTAL2 and XTAL2 signal connections when
populated.
XOSC2. Jumper 17 enables the EXTAL2 and XTAL2 signal connections when
populated.
Figure 7-15: External Crystal Circuitry CLK2_EN (J17)
7.9
P&E’s Input Capture Header
7.9.1
J18 - P&E’s Logic Analyzer Inputs IN0/IN1
The logic analyzer inputs are marked on one side of the J18 jumper. The
inputs allow P&E’s PC-based logic analyzer application to display these
signals in real-time.
inputs allow P&E’s PC-based logic analyzer application to display these
signals in real-time.
By installing both jumpers, the logic analyzer pins IN0 and IN1 will be
connected to PTA5 and PTA6 respectively.
connected to PTA5 and PTA6 respectively.
By removing these jumpers IN0 and IN1 will be unconnected. The
user may connect these signals, via wires, to any other signals on the
user may connect these signals, via wires, to any other signals on the