8
Figure 3 shows a circuit for masking signals on the user system interface board.
UVCC
PB7
PB8
PD28
PD29
PA18
PA17
PA 1
PA11
PE6
PA 7
PE5
PA 0
PA10
PA20
PA 6
PA21
SW1
SW2
SW3
User system Emulator
PB7_C
PB8_C
PD28_C
PD29_C
PA18_C
PA17_C
PA1_C
PA11_C
PE6_C
PA7_C
PE5_C
PA0_C
PA10_C
PA20_C
PA6_C
PA21_C
Figure 3 Circuit for Masking Signals
Note: The UVcc is the Vcc in the user system.