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參數(shù)資料
| 型號： | LC89170M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | CD Player Text Data IC |
| 中文描述： | CD播放機(jī)文本數(shù)據(jù)集成電路 |
| 文件頁數(shù)： | 6/8頁 |
| 文件大?。?/td> | 97K |
| 代理商： | LC89170M |
No. 5536-6/8
LC89170M
The EXCK clock characteristics are determined by SW2 as listed in the table below.
The upper boxes assume MCK = 16.934 MHz
The lower boxes indicate the relationship with MCK (T
MCK
= 1/MCK)
EXCK Clock Selection by SW2
SW1
SW2
t
CD
12.28
t
WH
1.89
t
WL
1.89
Unit
[L]
[L]
μs
208T
MCK
18.90
32T
MCK
7.56
32T
MCK
7.56
μs
[L]
[H]
μs
320T
MCK
128T
MCK
128T
MCK
μs
Microcontroller interface
The LC89170M includes a 32-word
×
8-bit dual-port RAM on chip, and the 1PACK 24 symbols from subcode channels
R to W can be read out once every 3.3 ms (or once every 1.66 for double-speed playback) over the microcontroller
interface. Figure 3 shows the timing.
The 1PACK 24 symbols for the subcode R to W data (18 bytes) are entered into the dual-port RAM and input to the CRC
checking circuit. After the data for 1 PACK has all been input, a falling edge is output from the DQSY pin and the CRC
flags are output from SRDT. A high is output for the CRC flags if the check returned OK. Next, 128 bits of data are
output by inputting the SCLK clock signal. A single packet of data is output by repeating this operation four times.
Figure 3 Microcontroller Interface Output Timing
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| LC8920 | FAX Modem |
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LC8920 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:FAX Modem |
| LC89201 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:9600-bps Facsimile Modem |
| LC8921 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
| LC89210 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:High-speed fax modem data pump |
| LC8935 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:CMOS LSI |
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