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DS83C530-ECL+ Datasheet(PDF) 4 Page - Dallas Semiconductor |
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DS83C530-ECL+ Datasheet(HTML) 4 Page - Dallas Semiconductor |
4 / 47 page DS87C530/DS83C530 EPROM/ROM Microcontrollers with Real-Time Clock 4 of 47 Figure 1. Block Diagram PIN DESCRIPTION PIN PLCC TQFP NAME FUNCTION 52 45 VCC +5V Processor Power Supply 1, 25 18, 46 GND Processor Digital Circuit Ground 29 22 VCC2 +5V RTC Supply. VCC2 is isolated from VCC to isolate the RTC from digital noise. 26 19 GND2 RTC Circuit Ground 12 5 RST Reset Input. This pin contains a Schmitt voltage input to recognize external active high reset inputs. The pin also employs an internal pulldown resistor to allow for a combination of wired OR external reset sources. An RC is not required for power-up, as the device provides this function internally. 23 16 XTAL2 24 17 XTAL1 Crystal Oscillator Pins. XTAL1 and XTAL2 provide support for parallel-resonant, AT-cut crystals. XTAL1 acts also as an input if there is an external clock source in place of a crystal. XTAL2 is the output of the crystal amplifier. DS87C530/ DS83C530 |
Similar Part No. - DS83C530-ECL+ |
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Similar Description - DS83C530-ECL+ |
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