参数资料
型号: LC89052T
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PDSO24
封装: 0.225 INCH, TSSOP-24
文件页数: 16/42页
文件大小: 482K
代理商: LC89052T
LC89052T
No.7457-23/42
8.5.6 Processing during error recovery
When the preambles B, M, and W are detected, the PLL circuit goes to the locked state and data demodulation starts.
The DATAO output data is output on the first LRCK edge after ERROR goes low.
Figure 8.11 Data Processing when Data Demodulation Starts
8.6 Channel Status Data Output
8.6.1 Data delimiter bit 1 output (
______________
AUDIO )
______________
AUDIO outputs channel status bit 1, which indicates whether or not the input bi-phase data is PCM audio data.
Table 8.10
______________
AUDIO Output
______
AUDIO pin
Output conditions
Low
PCM audio data (CS bit 1 = low)
High
Non-PCM data (CS bit 1 = high)
8.6.2 Emphasis information output (E/INT)
E/INT is shared by the microcontroller interface interrupt function. However, in the initial state, it outputs the
presence or absence of emphasis with a time constant of 50/15
s for use in consumer products or broadcast studios.
Table 8.11 E/INT Output
E/INT pin
Output conditions
Low
No pre-emphasis
High
50/15s pre-emphasis
ERROR
DATAO
LRCK
Output starts at the LRCK edge immediately following the fall of the ERROR flag.
15 ms to 50 ms
OK
Internal clock signal
data
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