Evaluates: MAX13047E 19-4290 Rev 0 9/08 MAX13047E Evaluation Kit General Description Features The MAX13047E evaluation kit (EV kit) provides a On-Board Clock Generators Capable of 8MHz, proven design to evaluate the MAX13047E dual-bidi- 4MHz, and 1MHz rectional low-level translator. The MAX13047E trans- 8Mbps (+1.2V VL +3.6V, VCC +5.5V) lates between VL and VCC logic levels for data rates up to 16Mbps (8MHz). 16Mbps (+1.8V VL VCC +3.3V) The MAX13047E EV kit PCB comes with a Lead-Free and RoHS Compliant MAX13047EEVB+ installed. Proven PCB Layout Fully Assembled and Tested Ordering Information PART TYPE MAX13047EEVKIT+ EV Kit +Denotes lead-free and RoHS compliant. Component List DESCRIPTION QTY DESCRIPTION DESCRIPTION QTY DESCRIPTION R11R14 0 Not installed, resistors (0603) 0.1F 10%, 16V X7R ceramic C1, C3, C4, C6 4 capacitors (0402) Dual-channel level translator Murata GRM155R71C104K U1 1 (10 UTQFN) Maxim MAX13047EEVB+ 1F 10%, 16V X5R ceramic C2, C5, C7, C8, 1.8V LDO (5 SC70) capacitors (0603) 6 U2 1 C10, C11 Maxim MAX8510EXK18+ TDK C1608X5R1C105K 3V LDO (5 SC70) 0.01F 10%, 16V X7R ceramic U3 1 Maxim MAX8510EXK30+ C9, C12 2 capacitors (0603) Murata GRM188R71C03K Resistor-programmable oscillator U4 1 (8 SOP) JU1JU5, JU8, Maxim DS1090U-1+ 8 3-pin headers JU9, JU10 Resistor-programmable oscillator JU6, JU7 2 2-pin headers U5 1 (8 SOP) R1R4 4 0 5% resistors (0603) Maxim DS1090U-4+ R5 1 45.3k 1% resistor (0603) U6 1 Dual inverter (6 SC70) R6, R10 2 90.9k 1% resistors (0603) 8 Shunts R7, R8, R9 3 301 1% resistors (0603) 1 PCB: MAX13047E Evaluation Kit+ Component Suppliers SUPPLIER PHONE WEBSITE Murata Electronics North America, Inc. 770-436-1300 www.murata-northamerica.com TDK Corp. 847-803-6100 www.component.tdk.com Note: Indicate that you are using the MAX13047E when contacting these component suppliers. Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.MAX13047E Evaluation Kit inputs, and 1MHz on the I/O VL2 and I/O VCC2 inputs. Quick Start Move the shunt of JU1 to the 1-2 position to set the Recommended Equipment clock generator to 8MHz and move the shunt to the 2-3 Before beginning, the following equipment is needed: position for 4MHz. MAX13047E EV kit To have both channels transferring data at the same speed, place a shunt on JU6 or JU7 depending on the +5V, 100mA DC power supply input direction. If I/O VL is the input, place the shunt Two-channel oscilloscope (i.e., Tektronix TDS3012) in the 1-2 position of JU6. If I/O VCC is the input, place the shunt in the 1-2 position of JU7. It is impor- Procedure tant when channels are tied together to remove shunts The MAX13047E EV kit is fully assembled and tested. from JU3 or JU4 depending on the preferred clock Follow the steps below to verify the board operation. rate. If the 8MHz or 4MHz speed is selected, remove Caution: Do not turn on power supply until all con- the shunts from JU4. If the 1MHz speed is selected, nections are made. remove the shunt from JU3. 1) Verify that all jumpers are in their default positions, as shown in Table 1. Switching Clock Generator When translating from VL to VCC, move JU2, JU3, and 2) Connect the positive terminal of the +5V supply to JU4 to the 1-2 position. To go from VCC to VL, move the VSUPPLY pad and the negative terminal of the JU2, JU3, and JU4 to the 2-3 position. supply to the GND pad. 3) Connect the first channel of the oscilloscope to the Shutdown Mode I/O VL1 pad, which is the +1.8V logic-level 8MHz The MAX13047E can enter shutdown mode by moving signal input. JU5 to the 2-3 position. Otherwise, leave the shunt at the 1-2 position for normal operation. 4) Connect the second channel of the oscilloscope to the I/O VCC1 pad, which is the +3V logic-level Applying User-Supplied Input Signals 8MHz signal output. to the I/O VL and I/O VCC Pads 5) Turn on the DC power supply. The EV kit allows user-supplied input signals to be applied to the I/O VL and I/O VCC pads. It is impor- 6) Observe the oscilloscope and verify that the +1.8V tant to remove the shunts from JU3 and JU4 to avoid logic-level 8MHz I/O VL1 signal is translated to the signal conflicts with the clock generators. +3V logic level at the I/O VCC1 pad. User-Supplied VL, VCC and VCLK Detailed Description , The EV kit is powered completely from one power sup- The MAX13047E EV kit provides a proven design to ply by default. Users can supply their own VL and VCC evaluate the MAX13047E dual-bidirectional low-level voltages by moving JU8 and JU10 to the 2-3 position. translator. The MAX13047E translates between VL and Apply a voltage from +1.1V to +3.6V or (VCC + 0.3V) to VCC logic levels for data rates up to 16Mbps (8MHz). the VL and GND pads and +1.65V to +5.5V to the VCC and GND pads. Clock Generators The MAX13047E EV kit includes the convenience of on- Users can apply a +3V to +5.5V power supply to the board clock generators capable of producing 8MHz VCLK and GND pads once JU8 is moved to the 2-3 and 4MHz signals on the I/O VL1 and I/O VCC1 position. 2 Evaluates: MAX13047E