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GFK-2059 Chapter 4 Theory of Operation 4-7
4
Figure 4-2: Test Bus Logic
ADDRESS
REGISTER
A01
A02
A03
A04
1
TEST
REGISTER
CLOCK
D/A CHANNEL SELECT
3
TEST
MUX
DA
OUTPUTS
1 TO 8
1
MUX
OUT
ANALOG
TEST
SWITCH
TEST BUS 1
TEST BUS 2
GND SEN
P2
3
TEST
CONTROL