AT87C5111-ICSIL datasheet(80/86 Pages) ATMEL

tên linh kiện	AT87C5111-ICSIL

Giải thích chi tiết về linh kiện	Low Pin Count 8-bit Microcontroller with A/D Converter

PDF	86 Pages

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nhà sản xuất	ATMEL [ATMEL Corporation]

Trang chủ	http://www.atmel.com

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80 / 86 page

AT8xC5111

4190A–8051–11/02

A/D Converter

Notes:

1. For 10 bits resolution

AC Testing Input/Output

Waveforms

Figure 8. AC Testing Input/Output Waveforms

AC inputs during testing are driven at VCC - 0.5 for a logic “1” and 0.45V for a logic “0”.

Timing measurement are made at VIH min for a logic “1” and VIL max for a logic “0”.

Figure 9. Float Waveforms

For timing purposes as port pin is no longer float ing when a 100 mV change from load

voltage occurs and begins to float when a 100 mV change from the loaded V

OH/VOL level

occurs. I

OL/IOH ≥ ± 20mA.

Clock Waveforms

Valid in normal clock mode. In X2 mode XTAL2 signal must be changed to XTAL2

divided by two.

Symbol

Parameter

Min

Typ

Max

Units

TConv

Conversion time

Clock periods (1 for

sampling, 10 for

conversion)

TSetup

Setup time

µs

FConv_Ck

Clock Conversion frequency

1100

(1)

kHz

Sampling frequency

100

kHz

0.45V

CC-0.5V

0.2V

CC+0.9

0.2V

CC-0.1

INPUT/OUTPUT

OL+0.1 V

OH-0.1 V

FLOAT

LOAD

LOAD+0.1 V

LOAD-0.1 V

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