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MAX220-MAX249.pdf
__ +5V-Powered, Multichannel RS-232 Drivers/Receivers M ELECTRICAL CHARACTERISTICS—MAX225/MAX244–MAX249 (continued) (MAX225, V = 5.0V ±5%; MAX244–MAX249, V = +5.0V ±10%, external capacitors C1–C4 = 1µF; T = T to T ; unless oth- A erwise noted.) CC A MIN MAX X PARAMETER CONDITIONS MIN TYP MAX UNITS 2 POWER SUPPLY AND CONTROL LOGIC 2 MAX225 4.75 5.25 0 Operating Supply Voltage MAX244–MAX249 4.5 5.5 V – No load MAX225 10 20 M V CC Supply Current MAX244–MAX249 11 30 (Normal Operation) mA A 3kΩ loads on MAX225 40 X all outputs MAX244–MAX249 57 T A +25°C 8 25 2 Shutdown Supply Current µA
in „avr prog und device- auswahl“ · Mikrocontroller und Digitale Elektronik ·
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MAX220-MAX249.pdf
MAX220–MAX249 A VA I AB LE +5V-Powered, Multichannel RS-232 Drivers/Receivers General Description Next-Generation Device Features The MAX220–MAX249 family of line drivers/receivers is ♦ For Low-Voltage, Integrated
in „16 Wide SO Gehäuseform SMD-IC“ · Mikrocontroller und Digitale Elektronik ·
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MAX232.pdf
__ +5V-Powered, Multichannel RS-232 Drivers/Receivers M ELECTRICAL CHARACTERISTICS—MAX225/MAX244–MAX249 (continued) (MAX225, VCC = 5.0V ±5%; MAX244–MAX249, V CC = +5.0V ±10%, external capacitors C1–C4 = 1µFA T =MIN to MAX ; unless oth- A erwise noted.) X PARAMETER CONDITIONS MIN TYP MAX UNITS 2 POWER SUPPLY AND CONTROL LOGIC 2 MAX225 4.75 5.25 Operating Supply Voltage V 0 MAX244–MAX249 4.5 5.5 – MAX225 10 20 M No load V CC Supply Current MAX244–MAX249 11 30 mA A (normal operation) 3kΩ loads on MAX225 40 all outputs MAX244–MAX249 57 X 2 Shutdown Supply Current TA= +25°C 8 25 µA TA
in „MAX232 Reichelt“ · Mikrocontroller und Digitale Elektronik ·
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max232cpe.pdf
__ +5V-Powered, Multichannel RS-232 Drivers/Receivers M ELECTRICAL CHARACTERISTICS—MAX225/MAX244–MAX249 (continued) (MAX225, V = 5.0V ±5%; MAX244–MAX249, V = +5.0V ±10%, external capacitors C1–C4 = 1µF; T = T to T ; unless oth- A erwise noted.) CC A MIN MAX X PARAMETER CONDITIONS MIN TYP MAX UNITS 2 POWER SUPPLY AND CONTROL LOGIC 2 MAX225 4.75 5.25 0 Operating Supply Voltage MAX244–MAX249 4.5 5.5 V – No load MAX225 10 20 M V CC Supply Current MAX244–MAX249 11 30 (normal operation) mA A 3kΩ loads on MAX225 40 X all outputs MAX244–MAX249 57 T = +25°C 8 25 2 Shutdown Supply Current A µA
in „UART Problem mit Baudrate“ · Mikrocontroller und Digitale Elektronik ·
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453523_1.pdf
__ +5V-Powered, Multichannel RS-232 Drivers/Receivers M ELECTRICAL CHARACTERISTICS—MAX225/MAX244–MAX249 (continued) (MAX225, V = 5.0V ±5%; MAX244–MAX249, V = +5.0V ±10%, external capacitors C1–C4 = 1µF; T = T to T ; unless oth- A erwise noted.) CC A MIN MAX X PARAMETER CONDITIONS MIN TYP MAX UNITS 2 POWER SUPPLY AND CONTROL LOGIC 2 MAX225 4.75 5.25 0 Operating Supply Voltage MAX244–MAX249 4.5 5.5 V – No load MAX225 10 20 M V CC Supply Current MAX244–MAX249 11 30 (normal operation) mA A 3kΩ loads on MAX225 40 X all outputs MAX244–MAX249 57 T = +25°C 8 25 2 Shutdown Supply Current A µA
in „Bitte um Überprüfung“ · Mikrocontroller und Digitale Elektronik ·
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PDF
max232.pdf
__ +5V-Powered, Multichannel RS-232 Drivers/Receivers M ELECTRICAL CHARACTERISTICS—MAX225/MAX244–MAX249 (continued) (MAX225, VCC = 5.0V ±5%; MAX244–MAX249, V CC = +5.0V ±10%, external capacitors C1–C4 = 1µF;AT =MIN to MAX ; unless oth- A erwise noted.) X PARAMETER CONDITIONS MIN TYP MAX UNITS 2 POWER SUPPLY AND CONTROL LOGIC 2 Operating Supply Voltage MAX225 4.75 5.25 V 0 MAX244–MAX249 4.5 5.5 – MAX225 10 20 M No load V CC Supply Current MAX244–MAX249 11 30 A (Normal Operation) 3kΩ loads on MAX225 40 mA X all outputs MAX244–MAX249 57 T A +25°C 8 25 2 Shutdown Supply Current µA 4
in „Trackball dsub9w auf PS2m Belegung?“ · PC Hard- und Software ·
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PDF
MAX232.pdf
__ +5V-Powered, Multichannel RS-232 Drivers/Receivers M ELECTRICAL CHARACTERISTICS—MAX225/MAX244–MAX249 (continued) A (MAX225, VCC = 5.0V ±5%; MAX244–MAX249, V CC = +5.0V ±10%, external capacitors C1–C4 = 1µFA T =MIN to MAX ; unless oth- erwise noted.) X PARAMETER CONDITIONS MIN TYP MAX UNITS 2 POWER SUPPLY AND CONTROL LOGIC 2 MAX225 4.75 5.25 0 Operating Supply Voltage MAX244–MAX249 4.5 5.5 V – MAX225 10 20 M V Supply Current No load MAX244–MAX249 11 30 CC mA A (normal operation) 3kΩ loads on MAX225 40 X all outputs MAX244–MAX249 57 2 Shutdown Supply Current TA= +25°C 8 25 µA
in „Problem mit RS232“ · Mikrocontroller und Digitale Elektronik ·
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MAX232.pdf
__ +5V-Powered, Multichannel RS-232 Drivers/Receivers M ELECTRICAL CHARACTERISTICS—MAX225/MAX244–MAX249 (continued) A (MAX225, VCC = 5.0V ±5%; MAX244–MAX249, V CC = +5.0V ±10%, external capacitors C1–C4 = 1µFA T =MIN to MAX ; unless oth- erwise noted.) X PARAMETER CONDITIONS MIN TYP MAX UNITS 2 POWER SUPPLY AND CONTROL LOGIC 2 MAX225 4.75 5.25 0 Operating Supply Voltage MAX244–MAX249 4.5 5.5 V – MAX225 10 20 M V Supply Current No load MAX244–MAX249 11 30 CC mA A (normal operation) 3kΩ loads on MAX225 40 X all outputs MAX244–MAX249 57 2 Shutdown Supply Current TA= +25°C 8 25 µA
in „Welche Bedeutung....“ · Mikrocontroller und Digitale Elektronik ·
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Datei
rs232.c
Acknowledge #define NAK 0x15 // Not Acknowledge #define EOT 0x04 // End of Transmission #define Buf_max 249 // grösste Bufferstelle //------------------------------------------------------------------------------ // Variablen int Comand = 0; // Komandos vom PC ///////////////////////////////////////////
in „RS232-Frameprotokoll transmitt Problem“ · Mikrocontroller und Digitale Elektronik ·