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ML2215-XXXMB 参数 Datasheet PDF下载

ML2215-XXXMB图片预览
型号: ML2215-XXXMB
PDF下载: 下载PDF文件 查看货源
内容描述: 语音合成以及音乐与LSI片上3兆掩膜ROM [Speech Synthesizer plus Music LSI with On-Chip 3 Mbit Mask ROM]
分类和应用: 语音合成
文件页数/大小: 26 页 / 195 K
品牌: OKI [ OKI ELECTRONIC COMPONETS ]
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FEDL2215-01  
Semiconductor  
ML2215  
1
00000H  
007C7H  
007C8H  
5FFFCH  
5FFFDH  
5FFFFH  
Phrase Control Table Area  
User’s Date Area  
Test Date Area  
Figure 2.1 Mask ROM Address Map  
3. Mask Options  
The following mask options are available to choose an interfacing type and an external clock frequency, as shown  
in Table 3.1.  
Table 3.1 Mask Options  
Option  
Interfacing Type  
3-pin Interfacing  
3-pin Interfacing  
3-pin Interfacing  
2-pin Interfacing  
2-pin Interfacing  
2-pin Interfacing  
External Clock Frequency  
4.096 MHz  
A
B
C
D
E
F
8.192 MHz  
16.384 MHz  
4.096 MHz  
8.192 MHz  
16.384 MHz  
4. Interfacing Types  
Mask option allows a user to select a interfacing type and a frequency of external clock input. Available options  
are listed in Table 3.1 below.  
4.1 2-pin Controlled Serial Input Interface  
2-pin interfacing uses the SD and SI pins to control interfacing. Pull the ST pin down to “L”.  
tSDST  
SD  
SI  
NAR  
BUSY  
Figure 4.1 Timing Chart of Serial Input  
As shown in Figure 4.1, serial data input is enabled by entering 1 µsec or longer “L” input (the Start-bit input) to  
the SD pin. Serial data input to the SD pin is fetched to the internal register in synchronization with the falling  
edge of the SI’s 8th clock as a phrase code for a user-defined phrase.  
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