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PEB2025 Fiches technique(PDF) 3 Page - Siemens Semiconductor Group |
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PEB2025 Fiches technique(HTML) 3 Page - Siemens Semiconductor Group |
3 / 21 page Semiconductor Group 3 PEB 2025 Pin Definitions and Functions Pin No. P-DIP-22 Pin No. P-LCC-28 Symbol Input (I) Output (O) Function 17 21, 22, 23 V BAT I Supply Voltage: This pin has to be connected to the negative supply voltage. V BAT supplies power to all line drivers. 22 1 V CC I Digital Supply Voltage: + 5V 11 14 GND I Ground: Digital Note: GND has to be connected to ground battery (positive supply voltage) 19, 18, 16, 15 25, 24, 20, 19 aF0 - aF3 O a-Line Feeding: aF i are the line driver outputs 12 15 R Imax I Current Limit: Using an external resistor connected between R Imax and GND, the maximum limit is the same to all line drivers. 21, 20, 14, 13 28, 26, 18, 16 CLC0 - CLC3 I Current Limit Characteristic: By connecting external capacitors between CLC i and GND, the time-dependent turn off-characteristics of the line drivers are defined. 12 CS I Chip Select: A logic low on CS enables RD and WR communication between the processor and the IEPC. 34 WR I Write: A logic low on this pin, while CS is low, enables the IEPC to accept command words from the processor. 23 RD I Read: A low on this pin (while CS is low) enables the IEPC to release status onto the data bus for the processor. 6, 5, 4 8, 7, 5 D0 - D2 I/O Data Bus: Control, status and command information are transferred via this bus between IEPC and processor. 8, 7 11, 9 A0, A1 I Address Bus: These inputs select the internal registers while chip select is active. 10 13 RES I Reset: A logic high on the RES input sets the device into the initial state. |
Numéro de pièce similaire - PEB2025 |
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