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INTF3000 Folha de dados(PDF) 6 Page - Maxim Integrated Products |
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INTF3000 Folha de dados(HTML) 6 Page - Maxim Integrated Products |
6 / 19 page Maxim Integrated │ 6 www.maximintegrated.com Evaluates: EV Kits Requiring SPI/Parallel to USB Interface INTF3000 Interface Board INTF2300 Connector The INTF2300 connector is wired to be compatible with the old INTF2300 LPT port interface board. Figure 4 shows the connector pin out. Pins RB0L–RB6L are outputs and may be connected to serial bus pins (SDA, SCLK, CS) or may be used to control any logic function such as enabling amplifiers, routing signals, SHDN, etc. Pins RD6L and RD7L are inputs and can be connected to SDA (I2C), SDAO (SPI), Lock Detect readback, or any other logic level that needs to be read back. VDEV is routed to VCC of DUT and it is connected to VPULL through JU1 setting so that the drivers are properly pulled high to VCC of the EV board. GND is used to connect to EV board GND. INTF2400 Connector The INTF2400 connector is wired to be compatible with the old INTF2400 LPT port interface board. It will work with legacy boards as long as the software is updated. The INTF2400 connector is also intended as the primary interface for newer designs since it has more I/O pins than the INTF2300. Figure 4 shows the connector pinout. Pins RB0L–RB7L and RA0L–RA3L are outputs and may be connected to serial bus pins (SDA, SCLK, CS) or may be used to control any logic function, such as enabling amplifiers, routing signals, SHDN, etc. Pins RD0L–RD3L are inputs and can be connected to SDA (I2C), SDAO (SPI), Lock Detect readback, or any other logic level that needs to be read back. VDEV is routed to VCC of DUT and it is connected to VPULL through JU1 setting so that the drivers are properly pulled high to VCC of the EV board. GND is used to connect to EV board GND. Figure 4. INTF2300 Connector Pinout *Pins 1 and 3 may optionally be configured as inputs by populating/ unpopulating resistors R42, R43, R44, and R45. Table 9 shows the configuration of these resistors and the corresponding pin behavior. Figure 5. INTF2400 Connector Pinout Table 9. Pin 1 and 3 Configurations Figure 3. Parallel Connector (DB25) GND* GND GND GND GND GND GND RB0L (Output) RB1L (Output) RB2L (Output) RB3L (Output) VDEV RB4L (Output) RB5L (Output) RB6L (Output) RD7L (Input) RD6L (Input) GND GND GND* 1 3 5 7 9 11 13 15 17 19 2 4 6 8 10 12 14 16 18 20 GND RD3L (Input) RD2L (Input) RD1L (Input) RD0L (Input) RA2L (Input) RA3L (Input) RA1L (Output) RA0L (Output) RB7L (Output) RB6L (Output) RB5L (Output) RB4L (Output) RB3L (Output) RB2L (Output) RB1L (Output) RB0L (Output) GND GND VDEV 1 3 5 7 9 11 13 15 17 19 2 4 6 8 10 12 14 16 18 20 RESISTOR PINS1, 3 = GND PINS 1, 3 = INPUTS R42 Removed 0Ω R43 0Ω Removed R44 Removed 0Ω R45 0Ω Removed |
Nº de peça semelhante - INTF3000 |
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Descrição semelhante - INTF3000 |
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