Agilent Technologies 8564EC Service Manual page 320

ADC/Interface Section
A3 Assembly Control Circuits
Table 8-9 Demultiplexer A3U410 Truth Table
Pin 15, LSCAN_KBD
Pin 14, LDACU1
Pin 13, LDAC1
Pin 12, LDAC2
Pin 11, LDAC3
Pin 10
Pin 9, LTIMER
Pin 7, LADC_REG1
Table 8-10 Demultiplexer A3U500 Truth Table
Pin 15, LSENSE_KBD
Pin 14, LINT_PRIOR
Pin 13, LADC_DATA1
Pin 12, LDAC_DATA0
Pin 11, HCNTR_LD0
Pin 10, HCNTR_LD1
Pin 9, LRPG_RD
Pin 7, LADC_REG0
410
Selected Output Line
Selected Output Line
IA1 IA2 IA3
L L L
H L L
L H L
H H L
L L H
H L H
L H H
H H H
IA0 IA1 IA2
L L L
H L L
L H L
H H L
L L H
H L H
L H H
H H H
Chapter 8