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EM78P259NSO14J 参数 Datasheet PDF下载

EM78P259NSO14J图片预览
型号: EM78P259NSO14J
PDF下载: 下载PDF文件 查看货源
内容描述: [EM78Q153SN EM78P153SP EM78P153SN EM78156EH EM78156EP EM78156EM EM78156EKM EM78Q156ELP EM78Q156ELM EM78Q156ELKM EM78P156ELP EM78P156ELM EM78P156ELKM EM78P156NP EM78P156NM EM78447SH EM78447SAP EM78447SAM EM78447SAS EM78447SBP EM78447SBWM EM78Q447SH EM78Q447SAP EM78Q447SAM EM78Q447SBP EM78Q447SBWM EM78P447SAP EM78P447SAM EM78P447SAS EM78P447SBP EM78P447SBWM EM78Q257 EM78Q257AP EM78Q257AM EM78Q257BP EM78Q257BM EM78P257AP EM78P257AM EM78P257BP EM78P257BM EM78451H EM78451P EM78451AQ EM]
分类和应用:
文件页数/大小: 81 页 / 2574 K
品牌: ELAN [ ELAN MICROELECTRONICS CORP ]
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EM78P258N  
8-Bit Microprocessor with OTP ROM  
When an interrupt is generated by the High time down counter underflow (when  
enabled), the next instruction will be fetched from address 018 and 01BH (High time  
and Low time respectively).  
6.8.2 Function Description  
The following figure shows LGP=0 and HF=1. The IROUT waveform modulates the  
Fcarrier waveform at low-time segments of the pulse.  
Fcarrier  
HF  
low time width high time width low time width  
high time width  
start  
IRE  
IROUT  
Fig. 6-11a LGP=0, HF=1, IROUT Pin Output Waveform  
The following figure shows LGP=0 and HF=0. The IROUT waveform cannot modulate  
the Fcarrier waveform at low-time segments of the pulse. So IROUT waveform is  
determined by the high time width and low time width instead. This mode can produce  
standard PWM waveform  
Fcarrier  
HF  
low time width high time width low time width  
high time width  
start  
IRE  
IROUT  
Fig. 6-11b LGP=0, HF=0, IROUT Pin Output Waveform  
50 •  
Product Specification (V1.0) 06.16.2005  
(This specification is subject to change without further notice)  
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