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COM20051+ Datasheet(PDF) 6 Page - SMSC Corporation

No. de Pieza. COM20051+
Descripción  Integrated Microcontroller and Network Interface with Watchdog Timer and A/D Converter Interface
Descarga  92 Pages
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Fabricante  SMSC [SMSC Corporation]
Página de inicio  http://www.smsc.com
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COM20051+ Datasheet(HTML) 6 Page - SMSC Corporation

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6
DESCRIPTION OF PIN FUNCTIONS
PIN NO.
NAME
SYMBOL
DESCRIPTION
56-49
Analog Data
Acquisition
Parallel Data
Input
ADC0-7
Input.
33
Start
Conversion
START
Output. Strobe to the external A/D converter.
34
nEnd of
Conversion
nEOC
Input. Signal from the external A/D converter.
36
Low Buffer
Enable
LBE
Output. Multiplexes low byte of a 16-bit A/D
converter onto the 8-bit ADC bus.
35
High Buffer
Enable
HBE
Output. Multiplexes the high byte of a 16-bit A/D
converter onto the 8-bit ADC bus.
32
Turbo
TURBO
Input. Determines the 80C32's operating
frequency. When grounded, the internal 80C32
operates at 10MHz. When open, the processor
operates at 16MHz.
67
nNode ID Chip
Select
nNIDCS
Output. Goes low whenever offset x08 is
addressed. For use in conjuction with Node ID
switches.
68
Transmit
Activity
TXLED
Output. Open drain.
15,66
Power Supply
VCC
+5V power supply.


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