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参数资料
| 型号： | LC78630E |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封装： | QFP-80 |
| 文件页数： | 16/33页 |
| 文件大小： | 432K |
| 代理商： | LC78630E |
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PWM output format
PWM output example
19. CD-ROM outputs; Pin 42: LRSY, pin 43: CK2, pin 44: ROMXA, pin 45: C2F
Although the LC78630E is initially set up to output audio data MSB first from the ROMXA pin in synchronization
with CK2, it can be switched to output CD-ROM data by issuing a CD-ROM XA command. Since this data has not
been processed by the interpolation, previous value hold, muting, and other digital circuits, it is appropriate for input
to a CD-ROM decoder LSI. CK2 is a 2.1168 MHz clock, and data is output on the CK2 falling edge. However, this
clock polarity can be inverted by issuing a CK2 polarity inversion command. C2F is the flag information for the data
in 8-bit units. Note that the CD-ROM XA reset command has the same function as the CONT1 pin (pin 37).
No. 5121-23/33
LC78630E
Code
Command
RES = low
$88
CD ROM XA
$8B
CONT AND CD-ROM XA RESET
r
$C9
CK2 POLARITY INVERSION
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相关代理商/技术参数 |
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| LC78631 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Compact Disk Player DSP |
| LC78631E | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Compact Disk Player DSP |
| LC78632 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Compact Disk Player DSP |
| LC78632RE | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Compact Disk Player DSP |
| LC78637E-E | 制造商:ON Semiconductor 功能描述: |
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