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參數(shù)資料
| 型號(hào)： | MSM6889 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | Multi-Function Telecommunication LSI(多功能遠(yuǎn)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(yuǎn)程通信收發(fā)LSI）的 |
| 文件頁數(shù)： | 16/21頁 |
| 文件大?。?/td> | 159K |
| 代理商： | MSM6889 |
16/21
MSM6889
Semiconductor
PB Tone Transmit Mode and PB Tone Detect Mode
When PBG1 to PBG4 are externally connected to PB1 to PB4 so as to use them as 4-bit bus lines,
their tone generation timings are as shown below.
1)
PB Tone Transmit Mode
When
TEN
is in the digital "0" state, PB tone is generated according to Table 2.
TEN
PBG1/PB1
PBG2/PB2
PBG3/PB3
PBG4/PB4
PB
TPBGS
TPBGH
941 Hz + 1477 Hz
Figure 7
2)
PB Tone Detect Mode
AIN
PB1/PBG1
PB2/PBG2
PB3/PBG3
PB4/PBG4
TG
TD
"0"
"1"
"0"
"1"
"1"
"1"
"1"
TSP
"0"
SP
941 Hz + 1477 Hz
852 Hz + 1209 Hz
Figure 8
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