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7−4
7.3.1 Power-Down Timing Sequence
PWR_DN
Power-Down Mode
RESET
MCLK
SCLK
LRCLK
SDATA
1 ms
Normal Operation
Figure 7−2. Power-Down Timing Sequence
In power-down mode, the TAS3002 device typically consumes less than 1 mA.
7.4 Test Mode
Terminal 9 (TEST) is tied low in normal operation. This function is reserved for factory test and must not be asserted.
7.5 Internal Interface
Figure 7−3 shows the flow chart of the interface between the microcontroller and its peripheral blocks.
7.6 GPI Terminal Programming
During initialization, the microcontroller fetches a control byte from its EEPROM or receives a command from I
2
C.
7.6.1 GPI Interface
The six GPI terminals are programmed to operate as indicated in Table 7−1.