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參數(shù)資料
| 型號： | PCD3350A |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 8-bit microcontroller with DTMF generator, 256 bytes EEPROM and real-time clock |
| 中文描述： | 8位雙音多頻發(fā)電機，256字節(jié)EEPROM和實時時鐘控制器 |
| 文件頁數(shù)： | 10/36頁 |
| 文件大小： | 204K |
| 代理商： | PCD3350A |
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1996 Dec 18
10
Philips Semiconductors
Product specification
8-bit microcontroller with DTMF generator,
256 bytes EEPROM and real-time clock
PCD3350A
6.6
Modem frequencies
Again assuming an oscillator frequency f
xtal
= 3.58 MHz,
the standard modem frequencies can be implemented as
in Table 7. It is suggested to define the frequency by the
HGF register while the LGF register contains 00H,
disabling Low Group Frequency generation.
Table 7
Standard modem frequencies and their
implementation
Notes
1.
2.
3.
4.
Standard is V.21.
Standard is Bell 103.
Standard is Bell 202.
Standard is V.23.
6.7
Musical scale frequencies
Finally, two octaves of musical scale in steps of semitones
can be realized, again assuming an oscillator frequency
f
xtal
= 3.58 MHz (Table 8). It is suggested to define the
frequency by the HGF register while the LGF contains
00H, disabling Low Group Frequency generation.
HGF
VALUE
(HEX)
FREQUENCY (Hz)
DEVIATION
MODEM
GENERATED
(%)
(Hz)
9D
82
8F
79
80
45
76
48
5C
52
4B
44
980
(1)
1180
(1)
1070
(2)
1270
(2)
1200
(3)
2200
(3)
1300
(4)
2100
(4)
1650
(1)
1850
(1)
2025
(2)
2225
(2)
978.82
1179.03
1073.33
1265.30
1197.17
2192.01
1296.94
2103.14
1655.66
1852.77
2021.20
2223.32
0.12
0.08
0.31
0.37
0.24
0.36
0.24
0.15
0.34
0.15
0.19
0.08
1.18
0.97
3.33
4.70
2.83
7.99
3.06
3.14
5.66
2.77
3.80
1.68
Table 8
Musical scale frequencies and their
implementation
Note
1.
Standard scale based on A4 @ 440 Hz.
NOTE
HGF
VALUE
(HEX)
FREQUENCY (Hz)
STANDARD
(1)
GENERATED
D#5
E5
F5
F#5
G5
G#5
A5
A#5
B5
C6
C#6
D6
D#6
E6
F6
F#6
G6
G#6
A6
A#6
B6
C7
C#7
D7
D#7
F8
EA
DD
D0
C5
B9
AF
A5
9C
93
8A
82
7B
74
6D
67
61
5C
56
51
4D
48
44
40
3D
622.3
659.3
698.5
740.0
784.0
830.6
880.0
923.3
987.8
1046.5
1108.7
1174.7
1244.5
1318.5
1396.9
1480.0
1568.0
1661.2
1760.0
1864.7
1975.5
2093.0
2217.5
2349.3
2489.0
622.5
659.5
697.9
741.1
782.1
832.3
879.3
931.9
985.0
1044.5
1111.7
1179.0
1245.1
1318.9
1402.1
1482.2
1572.0
1655.7
1768.5
1875.1
1970.0
2103.3
2223.3
2358.1
2470.4
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PCD3350AH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontroller with DTMF generator, 256 bytes EEPROM and real-time clock |
| PCD3351A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers with DTMF generator and 128 bytes EEPROM |
| PCD3351AH | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| PCD3351AP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers with DTMF generator and 128 bytes EEPROM |
| PCD3351CP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
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