TLC320AC02C_15 Datasheet, PDF (32/86 Pages) Texas Instruments – Single-Supply Analog Interface Circuit

Table 2–3. Software and Hardware Requests for
Secondary Serial-Communication and Phase-Shift Truth Table
WITHIN PRIMARY
OR SECONDARY
DATA WORD
CONTROL
BITS
D01 D00
HARDWARE
TERMINALS
FC1 FC0
PHASE-SHIFT
ADJUSTMENT
(see Section 2.15.1)
EARLIER LATER
SECONDARY
REQUEST
(see Note 1)
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
0
1
0
1
0
0
0
0
1
1
0
0
1
0
1
0
0
0
1
0
0
1
0
1
0
1
0
0
1
1
0
0
1
0
0
1
1
1
0
1
1
Primary
1
0
0
0
1
0
0
1
0
0
1
1
0
0
1
0
1
0
1
0
0
1
0
1
1
1
0
1
1
1
0
0
0
0
1
1
1
0
1
0
1
1
1
1
1
0
1
0
1
1
1
1
1
0
0
1
DS15 DS14 FC1 FC0 EARLIER LATER
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
0
0
0
0
0
1
1
0
0
Secondary
0
1
0
0
0
0
1
0
1
0
0
1
1
0
0
0
1
1
1
0
1
0
0
0
1
1
0
0
1
1
1
0
1
0
1
1
0
1
1
1
1
1
1
No request can be made for
1
secondary communication
0
within the secondary word.
0
0
0
1
1
0
0
0
0
1
1
0
1
0
1
1
1
1
0
1
0
1
1
1
1
0
0
NOTE 1: The 0 state indicates that a secondary communication is not being requested. The 1 state indicates that a
secondary communication is being requested.
2.18 Primary Serial Communications
Primary serial communications transfer the 14-bit DAC input plus two control bits (D01 and D00) to DIN of
the TLC320AC02.They simultaneously transfer the 14-bit ADC conversion result from DOUT to the
processor. The 2 LSBs are set to 0 in the ADC result.
2–18