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| 型号： | ISD4003-04MED |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | 音频合成 |
| 英文描述： | 240 SEC, SPEECH SYNTHESIZER WITH RCDG, PDSO28 |
| 封装： | 8 X 13.40 MM, PLASTIC, TSOP1-28 |
| 文件页数： | 24/37页 |
| 文件大小： | 392K |
| 代理商： | ISD4003-04MED |
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ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P [DATASHEET]
8285E–AVR–02/2013
9.5
XTAL oscillator
XTAL1 and XTAL2 are input and output, respectively, of an inverting amplifier which can be configured for use as
an On-chip Oscillator, as shown in Figure 9-2. Either a quartz XTAL or a ceramic resonator may be used.
C1 and C2 should always be equal for both XTALs and resonators. The optimal value of the capacitors depends on
the XTAL or resonator in use, the amount of stray capacitance, and the electromagnetic noise of the environment.
Some initial guidelines for choosing capacitors for use with XTALs are given in Table 9-5. For ceramic resonators,
the capacitor values given by the manufacturer should be used.
Figure 9-2.
XTAL oscillator connections.
The Oscillator can operate in three different modes, each optimized for a specific frequency range. The operating
mode is selected by the fuses CKSEL3:1 as shown in Table 9-5.
Notes:
1. This option should not be used with XTALs, only with ceramic resonators.
The CKSEL0 fuse together with the SUT1:0 fuses select the start-up times as shown in Table 9-6.
Table 9-5.
XTAL oscillator operating modes.
CKSEL3:1
Frequency range [MHz]
Recommended range for capacitors C1 and
C2 for use with XTALs [pF]
100(1)
0.4 - 0.9
–
101
0.9 - 3.0
12 - 22
110
3.0 - 8.0
12 - 22
111
8.0 -
12 - 22
Table 9-6.
Start-up times for the XTAL oscillator clock selection.
CKSEL0
SUT1:0
Start-up time from
power-down and
power-save
Additional delay
from reset
(VCC = 5.0V)
Recommended usage
0
00
258CK (1)
14CK + 4.1ms
Ceramic resonator, fast
rising power
0
01
258CK (1)
14CK + 65ms
Ceramic resonator, slowly
rising power
010
1K CK (2)
14CK
Ceramic resonator, BOD
enabled
011
1K CK (2)
14CK + 4.1ms
Ceramic resonator, fast
rising power
100
1K CK (2)
14CK + 65ms
Ceramic resonator, slowly
rising power
XTAL2 (TOSC2)
XTAL1 (TOSC1)
GND
C2
C1
相关PDF资料 |
PDF描述 |
|---|---|
| ISD4003-04MEI | 240 SEC, SPEECH SYNTHESIZER WITH RCDG, PDSO28 |
| ISD4003-04MP | 240 SEC, SPEECH SYNTHESIZER WITH RCDG, PDIP28 |
| ISD4003-04MSI | 240 SEC, SPEECH SYNTHESIZER WITH RCDG, PDSO28 |
| ISD4003-04MS | 240 SEC, SPEECH SYNTHESIZER WITH RCDG, PDSO28 |
| ISD4003-05MED | 300 SEC, SPEECH SYNTHESIZER WITH RCDG, PDSO28 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ISD4003-04MEDR | 功能描述:IC VOICE REC/PLAY 4MIN EX 28TSOP RoHS:否 类别:集成电路 (IC) >> 接口 - 语音录制和重放 系列:ISD4003 标准包装:14 系列:- 接口:串行 滤波器通频带:1.7kHz 持续时间:8 ~ 32 秒 安装类型:通孔 封装/外壳:28-DIP（0.300"，7.62mm） 供应商设备封装:28-PDIP 其它名称:90-21300+000 |
| ISD4003-04MEI | 功能描述:IC VOICE REC/PLAY 4MIN IN 28TSOP RoHS:否 类别:集成电路 (IC) >> 接口 - 语音录制和重放 系列:ISD4003 标准包装:14 系列:- 接口:串行 滤波器通频带:1.7kHz 持续时间:8 ~ 32 秒 安装类型:通孔 封装/外壳:28-DIP（0.300"，7.62mm） 供应商设备封装:28-PDIP 其它名称:90-21300+000 |
| ISD4003-04MEIR | 功能描述:IC VOICE REC/PLAY 4MIN IN 28TSOP RoHS:否 类别:集成电路 (IC) >> 接口 - 语音录制和重放 系列:ISD4003 标准包装:14 系列:- 接口:串行 滤波器通频带:1.7kHz 持续时间:8 ~ 32 秒 安装类型:通孔 封装/外壳:28-DIP（0.300"，7.62mm） 供应商设备封装:28-PDIP 其它名称:90-21300+000 |
| ISD4003-04MEY | 功能描述:IC VOICE REC/PLAY 4MIN 28-TSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 语音录制和重放 系列:ISD4003 标准包装:14 系列:- 接口:串行 滤波器通频带:1.7kHz 持续时间:8 ~ 32 秒 安装类型:通孔 封装/外壳:28-DIP（0.300"，7.62mm） 供应商设备封装:28-PDIP 其它名称:90-21300+000 |
| ISD4003-04MEYI | 功能描述:IC VOICE REC/PLAY 4MIN 28-TSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 语音录制和重放 系列:ISD4003 标准包装:14 系列:- 接口:串行 滤波器通频带:1.7kHz 持续时间:8 ~ 32 秒 安装类型:通孔 封装/外壳:28-DIP（0.300"，7.62mm） 供应商设备封装:28-PDIP 其它名称:90-21300+000 |
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