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Part Numbert	Mfg	Packt	D/C	Descriptiont	Qty	Company/Contact
QL4016-4PF144I	QUICKLOGIC	QFP144	00+		2	Koben Electronics Co.,Ltd. Contact:Forrest Zhu Tel:86-755-82579966 Fax:86-755-23816068 Email: forrest2016@ekoben.com
QL4016-4PF144I	QUICKLOGIC	QFP144	00+	HOT OFFER	2	XIA SONG ELECTRONICS CO.,LTD Contact:helen chen Tel:86-755-25801614 Fax:86-755-25801614 Email: xiasongdz3@163.com

QL4016-4PF144I Datasheet

Power Transfer Power transfer to the LR1512 is accomplished by radio frequency at 13.56 MHz via coupling anten- nas in the LR1512 and in the VCD. The RF operat- ing field of the VCD is transformed on the LR1512 antenna as an AC voltage which is re-dressed, fil- tered and internally regulated. The amplitude modulation (ASK) on this received signal is de- modulated by the ASK demodulator.
QL4016-4PF144I Price

s If you are having problems with high current in Micro Power O mode, then refer to the next section in this application note for the description of a known problem with high current on the ElanSC300 microcontroller evaluation board. If you are experiencing a different problem with higher than expected current, then isolate the VCC power input that is drawing the current to the ElanSC300 microcontroller's internal power planes. Next, check the voltage level on each individual signal powered by (VCCIO) or clamped to (VCC Clamp) that power plane to determine if that plane is being back-powered by one or more pins. If you leave DRAM powered up, then you must also either leave VMEM powered up or make sure that the ElanSC300 microcontroller's DRAM control signals are held at o V.
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Pin No.	Pin No.
(40-Pin	(44-Pin Flat
Package)	Package)	Symbol	Description
1	40	L-E4	LCD segment driver for L(logic LOW"), polarity, and "e" segment of most significant digit (MSD).
2	41	AGD4	LCD segment drive for "a," "g " and "d" segments of MSD.
3	42	BC4P3	LCD segment drive for "b" and "c" segments of MSD and decimal point 3.
4	43	HFE3	LCD segment drive for H ("logic HIGH"), and "f' and "e" segments of third LSD.
5	44	AGD3	LCD segment drive for "a," "g " and "d" segments of third LSD.
6	1	BC3P2	LCD segment drive for "b" and "c" segments of third LSD and decimal point 2.
7	2	OFE2	LCD segment drive for "overrange," and "f' and "e" segments of second LSD.
8	3	AGD2	LCD segment drive for "a," "g " and "d" segments of second LSD.
9	4	BC2P1	LCD segment drive for "b " and "c" segments of second LSD and decimal point l.
10	5	PKFE1	LCD segment drive for "hold peak reading," and "f' and "e" segments of LSD.
1 1	6	AGD1	LCD segment drive for "a," "g " and "d" segments of LSD.
12	7	BCIBT	LCD segment drive for "b" and "c" segments of LSD and "low battery."
13	8	BP3	LCD backplane3.
14	9	BP2	LCD backplane #2.
15	10	BP1	LCD backplane #1.
	1 1	VDISP	Sets peak LCD drive signal: VPEAK = (VDD) -VDISP. VDISP may also be used to compensate for temperature variation of LCD crystal threshold voltage.
16	12	DGND	Internal logic digital ground, the logic "0" level. Nominally 4.7V below VDD.
17	13	ANNUNC	Square-wave output at the backplane frequency, synchronized to BPl. ANNUNC can be used to control display annunciators. Connecting an LCD segment to ANNUNC turns it on; connecting it to its backplane turns it off.
18	14	LOGIC	Logic mode control input. When connected to VDD, the converter is in logic mode. The LCD displays "OL" and the decimal point inputs control the HIGH and LOW annunciators. When the "low" annunciator is on, the buzzer will also be on. When unconnected or connected to DGND, the TC820 is in the voltage/frequency measurement mode. This pin has a 5ccA internal pull-down to DGND.
19	15	RANGE/	Dual-purpose input. In range mode, when connected to VDD, the integration time
19	15	FREQ	will be 200 counts instead of 2000 counts and the LCD will display the analog input divided by 10. (See text for limitation with TC820.) In frequency mode, this pin is the frequency input. A digital signal applied to this pin will be measured with a l-second time base. There is an internal 5ccA pull-down to DGND.

TERMINAL
NAME NO.	DESCRIPTION
Vs l	Voltage input
OV 2	Input side common
OV 3	Input side common
OV 12	Output side common
+VOUT 13	+Voltage out
-VOUT 14	-Voltage out
15, 16, 17, NC 26, 27	Not connected
SYNC 28	Synchronization pin

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