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TMC2192 데이터시트(PDF) 6 Page - Cadeka Microcircuits LLC. |
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TMC2192 데이터시트(HTML) 6 Page - Cadeka Microcircuits LLC. |
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6 / 69 page ![]() TMC2192 PRODUCT SPECIFICATION 6 REV. 1.0.0 8/13/03 ANALOG INTERFACE – Support (9 pins) CBYPLUMA 11 0.1 µF Reference Bypass Capacitor for LUMA DAC. Connection point for 0.1 µF Capacitor. CBYPCHROM 6 0.1 µF Reference Bypass Capacitor for CHROMA DAC. Connection point for 0.1 µF Capacitor. CBYPCOMP 3 0.1 µF Reference Bypass Capacitor for COMPOSITE DAC. Connection point for 0.1 µF Capacitor. RREFLUMA 13 1210 Ohm Current Setting Resistor. Connection point for external current setting resistor for LUMA DAC. The resistor is connected between RREFLUMA and GND. Output video levels are inversely proportional to the value of RREF2. RREFCHROM 8 1210 Ohm Current Setting Resistor. Connection point for external current setting resistor for CHROMA DAC. The resistor is connected between RREFCHROM and GND. Output video levels are inversely proportional to the value of RREFCHROM. RREFCOMP 99 1210 Ohm Current Setting Resistor. Connection point for external current setting resistor for COMPOSITE DAC. The resistor is connected between RREFCOMP and GND. Output video levels are inversely proportional to the value of RREFCOMP. VREF 98 1.235 V Voltage Reference Input. External voltage reference input, internal voltage reference output, nominally 1.235V. MPU INTERFACE (13 pins) A[1:0]/SA[1:0] 61, 62 TTL When SER (HIGH), OLUT/control/pointer address. When SER (LOW), SA[1:0] of serial chip address SA[6:0]. CS/SCL 59 TTL/R-BUS When SER (HIGH), microprocessor port clock. When SER (LOW), serial bus clock. D[7:0] 63–70 TTL Bi-directional Data Bus. RW/SDA 60 TTL/R-BUS When SER (HIGH), read/write control. When SER (LOW), serial bus bi-directional data. SER 58 TTL Microprocessor Select. When LOW, the serial interface is enabled. When HIGH, the parallel interface is enabled. POWER & GROUND (17 pins) AGND 4, 9, 14, 15, 18, 19, 100 0.0V Analog ground DGND 26, 40, 53, 71, 97 0.0V Digital ground VDD 39, 54, 72, 96 +5.0V Digital positive power supply VDDA 1, 7, 12, 16, 17 +5.0V Analog positive power supply Pin Definitions (continued) Pin Name Pin Number Value Description |
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