8
Figure 3 shows a circuit for masking signals on the user system interface board.
UVCC
PB7
PB8
PD28
PD29
PA18
PA17
PA1
PA11
PE6
PA7
PE5
PA0
PA10
PA20
PA6
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.