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LC823450 Datasheet(PDF) 100 Page - ON Semiconductor |
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LC823450 Datasheet(HTML) 100 Page - ON Semiconductor |
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100 / 112 page  LC823450 www.onsemi.com 100 RTC (KeyInt RTC) Figure 51. RTC (KeyInt RTC) VDET BACKUPB Voltage detector Voltage detector Detect drop Detect drop of RTCINT(PWRON ) Connet to enable of Regulator This LSI power KEYINT[2:0] VDDRTC of VDDRTC VDD1 and VDD2 VDD1 VDD2 Wakeup event input VDDRTC VSSRTC JTAG Figure 52. JTAG TMS TCK TDI TDO JTAG Connector TCK TDI TMS TDO This LSI 95. LPDSP32 reset is available by reset command using debugger through JTAG. The connection of reset signal between JTAG and LSI is not mandatory. 96. Internal pull down resistor can be used if the pull down resistors are enabled before the reset re- lease of LPDSP32. 97. JTAG signals should be pull up or down for avoid- ing being left open if JTAG function is not used and JTAG signals are in input state. 98. Regarding JTAG signal connection, refer to the reference circuit from ICE tool vendor also. |
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