AY0438/P Microchip Technology, AY0438/P Datasheet
AY0438/P
Specifications of AY0438/P
AYO438/P
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AY0438/P Summary of contents
Page 1
... LCD input, which controls the frequency of an internal oscil- lator. The AY0438 is available in 40-lead dual in-line plastic and 44-lead PLCC packages. Unpackaged dice are also available. 1995 Microchip Technology Inc. AY0438 PIN CONFIGURATION 40-Lead Dual In-line V 1 ...
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... Description Supply voltage Latch data from registers Direct drive outputs Backplane drive output Backplane drive input Data input to shift register Ground System clock input OUTPUT 32 SEG with the Backplane output 1995 Microchip Technology Inc. ...
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... Data in 32-bit Static Shift Register Clock Load 32 Segment Drivers LCD LCD AC Generator Clock Load FIGURE 7: CASCADE TIMING DIAGRAM CLOCK START Data in Data out Load 1995 Microchip Technology Inc. FIGURE 5: OSCILLATOR FREQUENCY 140 120 100 80 (Figure 6 and Data Data out in Clock Load ...
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... PIC16CXX device. This code was complied using MPASM. SEG A AY0438 SEG1 SEG F A SEG7 SEG SEG6 SEG E E SEG5 D SEG D SEG4 SEG C SEG3 SEG B Clock SEG2 Data In SEG9-15 Load SEG19-23 SEG25-31 Backplane LCD --> seg1 to seg7 --> seg9 to seg15 --> seg17 to seg 23 LCD Backplane 1995 Microchip Technology Inc. ...
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... DecodeValue table must reside in page 0 for this program to work ; DecodeValue addwf PCL retlw B'00111111' retlw B'00000110' retlw B'01011011' retlw B'01001111' retlw B'01100110' retlw B'01101101' 1995 Microchip Technology Inc. to determine the values to be ;decode for 0 ;decode for 1 ;decode for 2 ;decode for 3 ;decode for 4 ;decode for 5 AY0438 DS70010I-page 5 ...
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... DATAIN is low ;rotate value through carry ;if bit clear then skip ;else set data bit ;toggle clock ; / ;see if 8 done ;no then do all ;else return 1995 Microchip Technology Inc. ...
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... LCD Input Leakage I TABLE 3: AC CHARACTERISTICS Characteristics Sym Clock Rate f Data Set-up Time t DS Data Hold Time t DH Load Pulse Width t PW Data Out Prop. Delay t PD 1995 Microchip Technology Inc +85 C Min Typ Max +3.0 — +8.5 DD — — 0.5 V — ...
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... AY0438 NOTES: DS70010I-page 8 1995 Microchip Technology Inc. ...
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... Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using. For latest version information and upgrade kits for Microchip Development Tools, please call 1-800-755-2345 or 1-602-786-7302. DS70010I-page Plastic DIP L = PLCC S = Die in Waffle Pack - = 0˚C to +70˚C = 40˚C to +85˚ Segment LCD Driver 1995 Microchip Technology Inc. ...
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... Serialized Quick Turn Programming (SQTP service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. © 2002, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. Microchip received QS-9000 quality system ...
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... Korea Microchip Technology Korea 168-1, Youngbo Bldg. 3 Floor Samsung-Dong, Kangnam-Ku Seoul, Korea 135-882 Tel: 82-2-554-7200 Fax: 82-2-558-5934 Singapore Microchip Technology Singapore Pte Ltd. 200 Middle Road #07-02 Prime Centre Singapore, 188980 Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan Microchip Technology Taiwan 11F-3, No. 207 ...