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MSM9802 bảng dữ liệu(PDF) 35 Page - OKI electronic componets

tên linh kiện MSM9802
Giải thích chi tiết về linh kiện  Voice Synthesis IC with Built-in Mask ROM
PDF  52 Pages
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nhà sản xuất  OKI [OKI electronic componets]
Trang chủ  http://www.oki.com
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MSM9802 bảng dữ liệu(HTML) 35 Page - OKI electronic componets

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MSM9802/03/05-xxx
¡ Semiconductor
(3) Common
1. Sampling Frequency
As shown in Table 1.1, 7 sampling frequencies are available.
A sampling frequency can be selected and assigned to each phrase in ROM data.
Table 1.1 Sampling Frequency
Note: When RC oscillation is selected, 10.6 kHz, 12.8 kHz, and 16 kHz cannot be selected.
2. Recording/Playback Time
Figure 2.1 below shows memory allocation of the on-chip Mask ROM. About 11 Kbits of data area
is allocated for the Phrase Control Table, Phrase Data Control and Test Data.
Therefore, actual data area for storing sound data equals the total Mask ROM capacity minus 11
Kbits.
16.0 kHz
fOSC1/256
Unavailable
12.8 kHz
fOSC1/320
Unavailable
10.6 kHz
fOSC1/384
Unavailable
8.0 kHz
fOSC1/512
fOSC2/32
6.4 kHz
fOSC1/640
fOSC2/40
5.3 kHz
fOSC1/768
fOSC2/48
4.0 kHz
fOSC1/1024
fOSC2/64
Sampling Frequency
At standard
oscillation frequency
XT/CR="H"
Ceramic Oscillation
XT/CR="L"
CR Oscillation
Frequency diving ratio
Phrase Control Table Area
Pharase Data Control Area
Test Data Area
User's Area
4K bit
4K bit
3K bit
501K bit (MSM9802)
1013K bit (MSM9803)
2037K bit (MSM9805)
On-chip Mask ROM Capacity
512K bit (MSM9802)
1M bit (MSM9803)
2M bit (MSM9805)
Figure 2.1 Memory Allocation of On-chip Mask ROM



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