AS1100 AMSCO, AS1100 Datasheet
AS1100
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AS1100 Summary of contents
Page 1
... The number of visible digits can be programmed as well. The AS1100 can be reset by software and an external clock can be used. Several test modes support easy debugging. The AS1100 is fully compatible to the MAX 7219. AS1100 is offered pins PDIP and SOIC package. Applications Bar-Graph Displays ...
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... Data Sheet AS1100 Absolute Maximum Ratings Voltage (with respect to GND) VDD DIN, CLK, LOAD All Other Pins Current DIG0–DIG7 Sink Current SEGA–G, DP Source Current Continuous Power Dissipation (TA = +85°C) Narrow Plastic DIP (derate 13.3mW/°C above +70°C Wide SO (derate 11.8mW/°C above +70°C) ...
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... Data input. Data is programmed into the 16Bit shift register on the rising CLK edge 8 digit driver lines that sink the current from the common cathode of the display. In shutdown mode the AS1100 switches the outputs to VDD both GND pins must be connected Strobe input. With the rising edge of the LOAD signal the 16 bit of serial data is latched into the register ...
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... X Table 1: Serial data format (16 bits) Detailed Description Serial-Addressing Modes Programming of the AS1100 is done via the 4 wire serial interface. A programming sequence consists of 16-bit packages. The data is shifted into the internal 16 Bit register with the rising edge of the CLK signal. With the rising edge of the LOAD signal the data is latched into a digital or control register depending on the address ...
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... Data Sheet AS1100 Decode-Mode Register In the AS1100 a BCD decoder is included. Every digit can be selected via register 09h to be decoded. The BCD code consists of the numbers 0-9, E,H, L,P and -. In register 09h a logic high enables the decoder for the appropriate digit. In case that the decoder is bypassed (logic low) the data Bits D7-D0 correspond to the segment lines of the AS1100 ...
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... Data Sheet AS1100 Decode Mode No decode for digits 7–0 Code B decode for digit 0 No decode for digits 7–1 Code B decode for digits 3–0 No decode for digits 7–4 Code B decode for digits 7–0 Table 4: Decode-mode register examples (address (hex) = 0xX9) 7-Segment D7* D6– ...
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... Data Sheet AS1100 Figure 2: Standard 7-segment LED Duty Cycle Hex Code 1/32 (min 11/ 13/ 15/ 17/ 19/ 21/ ...
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... If higher currents are needed, external drivers must be used. In that case longer necessary that the AS1100 drives high currents. A recommended value for R is 47k . In cases that the AS1100 only drives few SET digits table 9 specifies the maximum currents and R be set accordingly. Refer to absolute maximum ratings to ...
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... Diode Arrangement 12 µP 1 Figure 3: Application example as LED dot matrix driver Cascading Drivers The AS1100 can be cascaded as well. The DOUT pin must be connected to the DIN pin of the following AS1100. Package 24 Narrow DIP 24 Wide SO Maximum Junction Temperature (T Maximum Ambient Temperature (T Table 13: Package thermal resistance data DataSheet4U ...
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... Data Sheet AS1100 Computing Power Dissipation The upper limit for power dissipation (PD) for the AS1100 is determined from the following equation (VDD x 0.5mA) + (VDD - V where: VDD = supply voltage DUTY = duty cycle set by intensity register N = number of segments driven (worst case LED forward voltage ...
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... Data Sheet AS1100 Inches Dim Min Max A --- 0.180 A1 0.015 --- 0.380 A2 0.125 .0175 3.180 4.450 A3 0.055 0.080 1.400 2.030 B 0.015 0.022 0.381 0.560 B1 0.045 0.065 1.140 1.650 C 0.008 0.014 0.200 0.355 D 1.140 1.265 28.96 32.13 D1 0.005 0.080 0.130 2.030 E 0.300 0.325 7.620 8.260 E1 0 ...
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... Narrow AS1100WE -40°C to +85°C 24 Wide SO Tubes AS1100WL-T 0°C to +70°C 24 Wide SO T&R AS1100WE-T -40°C to +85°C 24 Wide SO T&R For Pb-free package use suffix ‘-Z‘ Contact austriamicrosystems AG A 8141 Schloss Premstätten, Austria T. +43 (0) 3136 500 0 F ...