MAXQ2010_11 MAXIM | Alldatasheet
Document overview
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Technical content
Features
♦ Easily Load Code and Debug Using On-Board USB Interface ♦ USB-to-JTAG Interface Provides In-Application Debugging Features Step-by-Step Execution Tracing Breakpointing by Code Address, Data Memory Address, or Register Access Data Memory View and Edit ♦ 8-Digit, 14-Segment, x4 Multiplexed LCD Display Driven Directly by MAXQ2010 ♦ On-Board 3.3V and 2.5V Linear Regulators ♦ EV Kit Board Can Be Powered from USB Interface, JTAG Interface, or DC Power Supply ♦ 5-Way (Up, Down, Left, Right, and Push to Select) Navigation Switch ♦ Pushbuttons for Reset and Interrupt Lines ♦ Level-Shifted RS-232 Interface Included for Serial Port 1 ♦ Test/Expansion Headers Include All Unused Device GPIO Pins ♦ Included Board Schematics Provide a Convenient Reference Design Evaluates: MAXQ2010 MAXQ2010 Evaluation Kit 19-5048; Rev 2; 6/11 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Ordering Information
MULTIDIRECTIONAL SWITCHRESETSERIAL PORT USB PART TYPE MAXQ2010-KIT# MAXQ2010 EV Kit Figure 1. MAXQ2010 EV Kit Board that is exempt under the RoHS requirements.
Figure 2. MAXQ2010 USB-to-JTAG Interface
Evaluates: MAXQ2010 MAXQ2010 Evaluation Kit Component List (continued) DESIGNATION QTY DESCRIPTION R3 1 4.7k ±5%, 1/8W resistor (0805) Yageo RC0805JR-074K7L R4, R12, R13, R16, R18, R21 6 10k ±5%, 1/8W resistors (0805) Yageo RC0805JR-0710KL R5–R8, R14, R15, R19 7 1k ±5%, 1/8W resistors (0805) Yageo RC0805JR-071KL R9, R10, R11 3 Empty resistor footprint (0805) R17 1 Photocell (16k–33k) Advanced Photonix PDV-P8013 R20 1 47k ±5% thermistor (0805) Murata NCP21WB473J03RA SW1 1 5-way navigation switch Panasonic EVQ-Q5A05K SW2, SW3 2 SPST-NO pushbutton switches Omron B3FS-1000P TP1 1 Test point (unpopulated) U1 1 FTDI USB-to-UART converter (28-pin SSOP) FTDI FT232RL/Parallax 604-43 U2 1 Low-power LCD microcontroller (100-pin LQFP) Maxim MAXQ2000-RFX+ U3 1 3.3V fixed linear regulator (5-pin SOT23) Maxim MAX8868EUK33+ U4 1 2.5V fixed linear regulator (5-pin SOT23) Maxim MAX8868EUK25+ DESIGNATION QTY DESCRIPTION U5 1 8-character, 14-segment, 3V LCD Varitronix VIM-878-DP U6 1 16-bit mixed-signal microcontroller with LCD (100-pin LQFP) Maxim MAXQ2010-RFX+ U7 1 3V EconOscillator (8-pin SO) Maxim DS1077LZ-40+ U8 1 I2C serial EEPROM (64K x 8) (8-pin SO) Microchip 24AA512-I/SM U9, U10, U12–U17 8 Single, micropower, single-supply, rail-to-rail, op amp (5-pin SOT23) Maxim MAX4091AUK+ U11 1 1Tx/1Rx RS-232 transceiver (16-pin TSSOP) Maxim MAX3221CUE+ Y1 1 12.000MHz, 18pF crystal Citizen HC49US12.000MABJ-UB Y2 1 32.768kHz, 6pF crystal Citizen CFS206-32.768KDZB-UB 1 10.000MHz crystal Citizen HC49US10.000MABJ-UB Y3 (socketed) Crystal socket strip (strip of 64) (fits HC49US) Mill-Max 310-43-164-41-001000 None 1 PCB: MAXQ2010 EV Kit Circuit Board
- MAXQ Family User’s Guide
- MAXQ2010 User’s Guide Supplement
- MAXQ2010 Data Sheet The MAXQ2010 EV kit board is fully defined in the schematic (Figure 6). However, a short description of the major components and connectors of the boards follow. Power Supply There are three ways to power the MAXQ2010 EV kit. Powering the EV Kit from the USB Interface The MAXQ2010 EV kit can run directly from the 5V sup- ply provided from the USB interface. To run the board in this manner, set up connections and jumpers as follows.
- Connect the USB jack J1 to a USB board on the PC using the included USB cable.
- Make sure that no DC wall supply is connected to J2. (DC power is provided from the USB interface.)
- Connect the jumper JU6 from pins 1 to 2. This selects the USB interface as the power-supply input. Windows is a registered trademark of Microsoft Corp. WINDOWS PC WITH USB PORT (USER SUPPLIED) USB 8MHz CRYSTAL 100 LQFP (SOCKETED) 32kHz CRYSTAL 8-DIGIT x 14-SEGMENT LCD SW1 RESET SW2 INTERRRUPT CIRCUIT PROTOTYPING AREA DC POWER USB SERIAL RS-232 INTERFACE POWER SUPPLIES (2.5V, 3.6V) USB-JTAG CONTROLLER (MAXQ2000) USB INTERFACE (FTDI) MAXQ2010
Figure 3. MAXQ2010 EV Kit Functional Layout
Evaluates: MAXQ2010 MAXQ2010 Evaluation Kit Powering the EV Kit from the JTAG Interface If you are programming or debugging either the MAXQ2010 or the on-board MAXQ2000 directly over the JTAG interface, the MAXQ2010 EV kit can also be powered from that interface. To run the board in this manner, set up connections and jumpers as follows.
- Connect the JTAG interface cable to either J3 (to program the MAXQ2000) or J6 (to program the MAXQ2010). Note: When a powered serial-to- JTAG board is connected to the J6 port on the MAXQ2010 EV kit, the on-board MAXQ2000 is automatically forced into reset to avoid conflicts on the JTAG interface.
- Connect the other end of the JTAG interface cable to header P2 on the serial-to-JTAG board.
- Connect jumpers JH1, JH2, and JH3 on the serial-to- JTAG board, and connect a 5V DC regulated ±5% DC wall supply (center-post positive) to plug J2 on that board.
- Connect J1 on the serial-to-JTAG board to a COM port on your PC using a straight-through DB-9 serial cable.
- Make sure that no DC wall supply is connected to J2. (DC power is provided from the JTAG interface.)
- Connect the jumper JU6 from pins 2 to 3. This selects the JTAG interface as the power-supply input.
- Connect the jumper JU5 from pins 1 to 2. This dis- ables the USB suspend mode power-down function. Powering the EV Kit Using a DC Wall Supply The MAXQ2010 EV kit can also be powered directly using a DC power supply, whether or not the USB inter- face is being used for loading or debugging. To run the board in this manner, set up connections and jumpers as follows.
- Connect a 5V DC regulated ±5% DC power supply (positive center polarization) to the plug J2.
- Disconnect the jumper JU6.
- Connect the jumper JU5 from pins 1 to 2. This dis- ables the USB suspend mode power-down function. Using the 8-Character LCD The LCD display included on the MAXQ2010 EV kit board is a 1/4-duty (x4 multiplexed) 3V display with 8 digits of 14 segments each (Figure 4). When the LCD controller is configured to x4 multiplexed mode, the segments for the display are memory mapped as shown in Table 1. (Refer to Table 36 in the MAXQ Family User’s Guide: MAXQ2010 Supplement for more details.) Enabling the USB Interface for Programming and Debug With the USB-to-JTAG firmware loaded into the on- board MAXQ2000 microcontroller, the MAXQ2010’s in- circuit bootloader and debugging functions are avail- able over the USB interface. To use the USB interface in this manner, the MAXQ2010 EV kit must be config- ured as follows.
- Connect jumper JU3 from pins 1 to 2. This connects the USB-to-serial converter’s Tx line to the serial port 0 Tx on the MAXQ2000.
- Connect jumper JU10 from pins 1 to 2. This con- nects the USB-to-serial converter’s Rx line to the ser- ial port 0 Rx on the MAXQ2000. Enabling the USB Interface for Application Use If the MAXQ2010 is being programmed and debugged directly using the JTAG interface, or if the MAXQ2010 has already been programmed, the USB interface can be used directly by the MAXQ2010. To use the USB interface in this manner, the MAXQ2010 EV kit must be configured as follows.
- Connect jumper JU3 from pins 2 to 3. This connects the USB-to-serial converter’s Tx line to the serial port 0 Tx on the MAXQ2010.
- Connect jumper JU24 from pins 1 to 2. This con- nects the USB-to-serial converter’s Rx line to the ser- ial port 0 Rx on the MAXQ2010.
Figure 4. LCD Display Configuration Table 1. LCD Display Memory Map (1/4 Duty)
Figure 5. USB Serial Port (COM4) Location in Device Manager
- Connect jumper JU24 from pins 2 to 3.
- Connect jumper JU29 from pins 2 to 3. Determining the Virtual COM Port Used by the USB-to-JTAG Interface To configure programming or development tools (such as MTK, MAX-IDE, or IAR) to work with the Virtual COM Port (VCP) interface provided by the USB-to-JTAG interface, first determine to which COM port the USB serial port was assigned by the operating system. To do this, open the Control Panel and select System → Hardware → Device Manager , and then look in the Ports (COM & LPT) section to determine the COM port number assigned to the VCP (Figure 5).
2 JU3
2 JU1
16 USBDM
15 USBDP
27 OSCI
29 OSCO
36 VDDIO62 VDDIO
7 KEY9 TDI
5 TMS
1 TCK3
86 VADJ
84 VLCD185 VLCD2
83 VLCD
70 VDD
39 GND
76 HFXIN
71 HFXOUT
4 VCCIO
20 VCC
1 SHDN
2 JU5
2 JU10
Figure 6. MAXQ2010 EV Kit Schematics—USB/JTAG (1 of 3)
2 JU24
20 COM3
17 COM0
18 COM1
19 COM2
82 AVDD
99 REGOUT
98 REGOUT
96 DVDD
45 VLCD
92 RST
40 DVDD63 DVDD
42 VADJ
44 VLCD143
70 AVREF
79 AGND
95 DGND
3 TDO5 TMS
1 TCK
64 HFXIN
65 HFXOUT
5 CTRL0
6 CTRL1
8 SCL7 SDA
6 SDA
8 VCC7 SCL
Figure 6. MAXQ2010 EV Kit Schematic—Microcontroller/LCD (2 of 3)
2 C35
3 AN0B
2 C38
3 AN1B
2 C48
3 AN2B
2 C50
3 AN3B
2 C36
3 AN4B
2 C39
3 AN5B
2 C49
3 AN6B
2 C51
3 AN7B
15 VCC
4 C1-
12 FORCEON
11 T1IN
9 R1OUT10 INVALID162010_RST
2 C1+
6 C2-
5 C2+
Figure 6. MAXQ2010 EV Kit Schematic—Serial/ADC (3 of 3)
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circu it patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 11 © 2011 Maxim Integrated Products Maxim is a registered trademark of Maxim Integrated Products, Inc. Evaluates: MAXQ2010 MAXQ2010 Evaluation Kit REVISION NUMBER REVISION DATE DESCRIPTION PAGES CHANGED 0 8/08 Initial release — 1 11/09 Changed the part number in the Ordering Information table to show the # for RoHS status 1 2 6/11 Removed references to implied included power supply in the General Description , EV Kit Contents , and Power Supply sections 1, 4