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| 型号： | EM6617SO28A |
| 英文描述： | Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: 0°C to 70°C; Package: 8-EPSOIC T&R |
| 中文描述： | 微控制器 |
| 文件页数： | 37/67页 |
| 文件大小： | 824K |
| 代理商： | EM6617SO28A |
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EM6617
03/02 REV. C/442
Copyright
2002, EM Microelectronic-Marin SA
42
www.emmicroelectronic.com
15. Strobe Output
The Strobe output is used to indicate either the EM6617 reset condition, a write operation on port B (WritePB)
or the sleep mode. The selection is done in register RegLcdCntl1. Per default, the reset condition is output on
the Strobe terminal.
For a port B write operation the strobe signal goes high for half a system clock period. Data can be latched on
the falling edge of the strobe signal. This function is used to indicate when data on port B output terminals is
changing.
The reset signal on the Strobe output is a copy of the internal CPU reset signal. The Strobe pin remains active
high as long as the CPU gets the reset.
Both the reset condition and the port B write operation can be output simultaneously on the Strobe pin.
The strobe output select latches are reset by initial power on reset only.
Table 13.1.1. Strobe Output Selection
StrobeOutSel1
StrobeOutSel0
Strobe
Terminal
Output
00
System
Reset
01
System Reset
and
WritePB
10
WritePB
1
Sleep
15.1 Strobe register
Table 15.1.1 register OPTPCandStr
Bit
Name
Power on
value
R/W
Description
3
NoPdPC
0
R/W
no pull-down on PortC
2
NchOpDPC
0
R/W
N-Channel Open Drain on PortC
1
StrobeOutSel1
0
R/W
Strobe output selection
0
StrobeOutSel0
0
R/W
Strobe output selection
Default : System reset on STROBE output
Figure 31 . Strobe Output
Reset, WritePB
StrobeOutSel1
StrobeOutSel0
Sleep
WritePB
Reset
3
01
2
1
0
Terminal
Strobe
相关PDF资料 |
PDF描述 |
|---|---|
| EM6617SO28B | Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: -40°C to 85°C; Package: 8-EPSOIC T&R |
| EM6617TP28A | Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: 0°C to 70°C; Package: 8-EPSOIC T&R |
| EM6617TP28B | Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: -40°C to 85°C; Package: 8-EPSOIC T&R |
| EM6640SO18A | Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: -40°C to 85°C; Package: 8-SOIC |
| EM6640SO18B | Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: -40°C to 85°C; Package: 10-DFN |
相关代理商/技术参数 |
参数描述 |
|---|---|
| EM6617SO28B | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Microcontroller |
| EM6617TP28A | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Microcontroller |
| EM6617TP28B | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Microcontroller |
| EM6617WP11 | 制造商:EMMICRO 制造商全称:EM Microelectronic - MARIN SA 功能描述:Ultra Low Power Microcontroller with ADC AND EEPROM |
| EM6617WP27 | 制造商:EMMICRO 制造商全称:EM Microelectronic - MARIN SA 功能描述:Ultra Low Power Microcontroller with ADC AND EEPROM |
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