參數(shù)資料
型號(hào): HD404618
廠(chǎng)商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer
中文描述: 4位單片機(jī)
文件頁(yè)數(shù): 65/89頁(yè)
文件大?。?/td> 358K
代理商: HD404618
HD404618 Series
65
VT
ref
GND
Time slots
1 2 3
4 5
6 7 8 9 10
12
11
13 14 15 16
18 19
17
20 21 22 23 24 25 26 27 28 29 30 31 32
Figure 42 Waveform of Tone Output
Table 32 Frequency Deviation of the MCU from Standard DTMF Signals
Standard
DTMF (Hz)
MCU (Hz)
Deviation from
Standard (%)
R1
697
694.44
–0.37
R2
770
769.23
–0.10
R3
852
851.06
–0.11
R4
941
938.97
–0.22
C1
1,209
1,212.12
0.26
C2
1,336
1,333.33
–0.20
C3
1,477
1,481.48
0.30
C4
Note:
1,633
1,639.34
0.39
This frequency deviation value does not include the frequency deviation due to the oscillator
element. Also note that in this case the ratio of the high level and low level widths in the oscillator
waveform due to the oscillator element will be 50% : 50%.
相關(guān)PDF資料
PDF描述
HD404618FS 4-Bit Single-Chip Microcomputer
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HD4074618FS CONNECTOR
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD404618FS 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:4-Bit Single-Chip Microcomputer
HD404618H 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404618SERIES 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:
HD404618TF 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD4046212FS 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:4-Bit Microcontroller