P&E Microcomputer Systems xPC560B, Руководство пользователя, Страница: 41 / 59

xPC560B EVB User Manual 37
J15 – 1.2V Decoupling Pins Configuration
Controls whether the 1.2V decoupling pins (VDD_LV) on the MPC560xB
processor are connected to 1.2V power.
J16 – Internal Regulator Supply Configuration
Controls whether the “internal regulator supply” pin (VDD_BV) on the
MPC560xB processor are connected to 5V power.
5.3 System Clock Configuration
On (default)
MPC560xB Digital Supply Input pins are connected
to 5V
Off MPC560xB Digital Supply Input pins are unpowered
Jumper Setting Effect
On
MPC560xB 1.2V decoupling pins are connected to
1.2V
Off (default)
MPC560xB 1.2V decoupling pins are connected only
to decoupling capacitors
Jumper Setting Effect
1+2 (default)
MPC560xB internal regulator supply pin is
connected to 5V
2+3
MPC560xB internal regulator supply pin is
connected to GND