Fix XTAL frequencies for AVR; add ISP mkII connection info
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3698 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
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@ -50,7 +50,7 @@
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/* Clocking *****************************************************************/
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#define BOARD_CPU_CLOCK 8000000 /* 8MHz */
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#define BOARD_CPU_CLOCK 14745600 /* F_CPU = 14.7456MHz */
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/* LED definitions **********************************************************/
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@ -12,6 +12,9 @@ Contents
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^^^^^^^^
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o Micropendous3 Features
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o Pin Usage
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o Serial Console
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o Atmel mkII Connection
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o Toolchains
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o Windows Native Toolchains
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o NuttX buildroot Toolchain
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@ -31,7 +34,7 @@ Micropendous3 Features
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stock Atmel or LUFA)
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o 4 kbytes SRAM and 2 kbytes of EEPROM (AT90USB64) or 8 kbytes SRAM and 4
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kbytes of EEPROM (AT90USB128)
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o external SRAM is possible
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o External SRAM is possible. Layout for CY7C1019D 1-Mbit SRAM (unpopulated)
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o USB powered
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o 16MHz crystal
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o 48 General Purpose IO Pins (47 with external SRAM)
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@ -45,6 +48,145 @@ Micropendous3 Features
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o Size LxWxH (including headers): 3.15" x 0.8" x 0.6" =~ 8cm x 2cm x 1.5cm
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o Completely OpenHardware Design
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Pin Usage
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^^^^^^^^^
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AT90USB90128/64 TQFP64
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-- ------------------------ ---------------------------------------------
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PIN SIGNAL BOARD CONNECTION
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-- ------------------------ ---------------------------------------------
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(left)
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1 (INT.6/AIN.0) PE6 J3-25 E6, CY7C1019D ^CE (Unpopulated)
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2 (INT.7/AIN.1/UVcon) PE7 J3-26 E7, CY7C1019D A16 (Unpopulated)
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3 UVcc
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4 D- USB DP
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5 D+ USB DM
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6 UGnd GND
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7 UCap GND (via cap)
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8 VBus USB VBUS
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9 (IUID) PE3 J3-22 E3
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10 (SS/PCINT0) PB0 J3-28 B0
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11 (PCINT1/SCLK) PB1 J3-29 B1
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12 (PDI/PCINT2/MOSI) PB2 J3-30 B2
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13 (PDO/PCINT3/MISO) PB3 J3-31 B3
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14 (PCINT4/OC.2A) PB4 J3-32 B4
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15 (PCINT5/OC.1A) PB5 J3-33 B5
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16 (PCINT6/OC.1B) PB6 J3-34 B6
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(bottom)
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17 (PCINT7/OC.0A/OC.1C) PB7 J3-35 B7
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18 (INT4/TOSC1) PE4 J3-23 E4
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19 (INT.5/TOSC2) PE5 J3-24 E5
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20 RESET SW1
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21 VCC VCC
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22 GND GND
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23 XTAL2 X1
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24 XTAL1 X1
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25 (OC0B/SCL/INT0) PD0 J3-36 D0
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26 (OC2B/SDA/INT1) PD1 J3-37 D1
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27 (RXD1/INT2) PD2 J3-38 D2
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28 (TXD1/INT3) PD3 J3-39 D3
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29 (ICP1) PD4 J3-40 D4
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30 (XCK1) PD5 J3-41 D5
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31 (T1) PD6 J3-42 D6
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32 (T0) PD7 J3-43 D7
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(right)
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48 PA3 (AD3) J3-14 A3, 74AHC573 D3, CY7C1019D |O3 (Unpopulated)
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47 PA4 (AD4) J3-15 A4, 74AHC573 D4, CY7C1019D |O4 (Unpopulated)
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46 PA5 (AD5) J3-16 A5, 74AHC573 D5, CY7C1019D |O5 (Unpopulated)
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45 PA6 (AD6) J3-17 A6, 74AHC573 D6, CY7C1019D |O6 (Unpopulated)
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44 PA7 (AD7) J3-18 A7, 74AHC573 D7, CY7C1019D |O7 (Unpopulated)
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43 PE2 (ALE/HWB) SW-2 (pulled-up), J3-21 E2, 74AHC573 Cp
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42 PC7 (A15/IC.3/CLKO) J3-51 C7, CY7C1019D A15 (Unpopulated)
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41 PC6 (A14/OC.3A) J3-50 C6, CY7C1019D A14 (Unpopulated)
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40 PC5 (A13/OC.3B) J3-49 C5, CY7C1019D A13 (Unpopulated)
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39 PC4 (A12/OC.3C) J3-48 C4, CY7C1019D A12 (Unpopulated)
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38 PC3 (A11/T.3) J3-47 C3, CY7C1019D A11 (Unpopulated)
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37 PC2 (A10) J3-46 C2, CY7C1019D A10 (Unpopulated)
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36 PC1 (A9) J3-45 C1, CY7C1019D A9 (Unpopulated)
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35 PC0 (A8) J3-44 C0, CY7C1019D A8 (Unpopulated)
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34 PE1 (RD) J3-20 E1, CY7C1019D ^OE (Unpopulated)
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33 PE0 (WR) J3-19 E0, CY7C1019D ^WE (Unpopulated)
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(top)
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64 AVCC (Power circuitry)
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63 GND GND
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62 AREF J3-2 AREF, (Power circuitry)
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61 PF0 (ADC0) J3-3 F0
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60 PF1 (ADC1) J3-4 F1
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59 PF2 (ADC2) J3-5 F2
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58 PF3 (ADC3) J3-6 F3
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57 PF4 (ADC4/TCK) J3-7 F4, JTAG TCK
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56 PF5 (ADC5/TMS) J3-8 F5, JTAG TMS
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55 PF6 (ADC6/TDO) J3-9 F6, JTAG TD0
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54 PF7 (ADC7/TDI) J3-20 F7, JTAG TDI
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53 GND GND
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52 VCC VCC
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51 PA0 (AD0) J3-11 A0, 74AHC573 D0, CY7C1019D |O0 (Unpopulated)
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50 PA1 (AD1) J3-12 A1, 74AHC573 D1, CY7C1019D |O1 (Unpopulated)
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49 PA2 (AD2) J3-13 A2, 74AHC573 D2, CY7C1019D |O2 (Unpopulated)
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Atmel mkII Connection
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^^^^^^^^^^^^^^^^^^^^^
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ISP6PIN Header
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--------------
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1 2
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MISO o o VCC
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SCK o o MOSI
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RESET o o GND
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Micropendous 3 JTAG (JTAG10PIN Connector)
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------------------- ---------------------
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1 2 1 2
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TCK o o GND TCK o o GND
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TDO o o VCC TDO o o VTref
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TMS o o RESET TMS o o nSRST
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VCC o o N/C o o (nTRST)
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TDI o o GND TDI o o GND
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JTAGICE mkII Connection to 10-pin Header
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------------------------------------------
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10PIN Header 6PIN Header
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-------------------- ---------------------
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Pin 1 TCK Pin 3 SCK
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Pin 2 GND Pin 6 GND
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Pin 3 TDO Pin 1 MISO
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Pin 4 VTref Pin 2 Vcc
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Pin 6 nSRT Pin 5 Reset
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Pin 9 TDI Pin 4 MOSI
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Connect your Micropendous board programmed with AVRISP firmware to another AVR using SPI (you can even connect to another USB AVR board to program its' bootloader):
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Micropendous Target AVR
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PB4 RESET
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PB1(SCK) SCK
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PB2(MOSI) MOSI/PDI
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PB3(MISO) MISO/PDO
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GND GND+AGND
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Vcc Vcc+AVcc
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Serial Console
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^^^^^^^^^^^^^^
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A serial console is supported on an external MAX232/MAX3232 Connected
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on PD2 and PD3:
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Port D, Bit 2: RXD1, Receive Data (Data input pin for the USART1). When
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the USART1 receiver is enabled this pin is configured as an input
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regardless of the value of DDD2. When the USART forces this pin to
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be an input, the pull-up can still be controlled by the PORTD2 bit.
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Port D, Bit 3: TXD1, Transmit Data (Data output pin for the USART1).
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When the USART1 Transmitter is enabled, this pin is configured as
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an output regardless of the value of DDD3.
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AT90USB90128/64 TQFP64
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-- ------------------------ ---------------------------------------------
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PIN SIGNAL BOARD CONNECTION
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-- ------------------------ ---------------------------------------------
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27 (RXD1/INT2) PD2 J3-38 D2
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28 (TXD1/INT3) PD3 J3-39 D3
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Toolchains
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^^^^^^^^^^
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@ -50,9 +50,10 @@
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/* Clocking *****************************************************************/
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#define BOARD_CPU_CLOCK 8000000 /* 8MHz */
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#define BOARD_CPU_CLOCK 16000000 /* F_CPU = 16MHz */
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/* LED definitions **********************************************************/
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/* The Micropendous 3 has no on-board LEDs */
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#define LED_STARTED 0
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#define LED_HEAPALLOCATE 1
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@ -63,6 +64,11 @@
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#define LED_ASSERTION 6
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#define LED_PANIC 7
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/* Button definitions *******************************************************/
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/* SW1 = Connects to AT90USBxx RESET pin and is not available to software.
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* SW2 = Connects (via a pull-up) to PE-2
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*/
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/****************************************************************************
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* Public Types
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****************************************************************************/
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