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參數(shù)資料
| 型號： | MSM6889 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | Multi-Function Telecommunication LSI(多功能遠程通信收發(fā)LSI) |
| 中文描述： | 多功能電信大規(guī)模集成電路（多功能遠程通信收發(fā)LSI）的 |
| 文件頁數(shù)： | 6/21頁 |
| 文件大?。?/td> | 159K |
| 代理商： | MSM6889 |
6/21
MSM6889
Semiconductor
PB tone transmit enable.
PBG1 to PBG4 data are latched at the falling edge of
TEN
, and PB
tone is generated at digital "0" level. (See Fig. 7.)
Modem transmit serial data input.
Data stream less than 300 bps should be input.
Digital "1" and "0" correspond to "Mark" and "Space" respectively.
Request to send data input .
While
RS
is at digital "0" level, modem transmit is enabled.
Digital Ground, 0 V.
Input used to select call progress tone (CPT) detect output
waveform. (See Fig. 9.)
I*
TEN
3
18
I*
TD
4
19
I*
RS
6
20
—
DG
7
21
I*
I*
I*
I*
ICT2
ICT3
MODE1
MODE2
MODE3
9
23
24
25
26
27
11
12
13
14
Used to check performance characteristics of the IC.
Independent of operating mode. Leave these pins open.
Description
I/O
Name
Pin Number
GS
RS
I*
ICT1
8
22
Inputs used to specify operating mode.
(See Table 1.)
3.579545 MHz crystal resonator should be connected to X1 and X2.
When applying external clock to the device, it should be connected
to X2 through the AC coupling capacitor of 100 pF and X1 has to be
open.
3.579545 MHz clock output.
Modem receive serial data output.
Digital "1" and "0" correspond to "Mark" and "Space" respectively.
When
CD
(Carrier Detect) is off, RD is hold at "Mark" state.
Carrier Detect output.
Digital "0" and "1" represent "Detect" and "No-detect" respectively.
I
X1
16
28
O
X2
17
29
O
CLK
19
30
O
RD
20
31
O
CD
22
32
*
Digital input pulled up by a high resistance inside the IC.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MSM6889RS | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Multi-Function Telecommunication LSI |
| MSM6895 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Multi-Function PCM CODEC |
| MSM6895GS-BK | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Multi-Function PCM CODEC |
| MSM6896 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Multi-Function PCM CODEC |
| MSM6926 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:300 bps Single Chip FSK MODEM |
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