6/11

UM0087 - USER MANUAL

APPENDIX A. DK3300 JUMPERS

Verify JP0, JP1, JP3, JP13, JP14, and JP15 for the ADC demo. See DK3300 SCHEMATICS, page 7 for

more information regarding the jumpers.

Table 1. DK3300 Jumpers

Jumper

No.

Description

Comments

JP0

LCD Enable/Disable

Normally closed to enable LCD

JP1

JP2

JTAG Debug I/O Pin

Should be OPEN

JP3

LCD Contrast

Normally closed in position 2-3

Position 1-2 used for PWM control

JP4

Encoder Connection to PB

Normally all 3 positions are closed to enable the encoder connection to

port B

JP5

Switch / LED Connection to PB

Normally both positions are closed to enable the SW/LED connection to

port B

JP6

MCU Clock Select

Normally closed in position 1-2 for Oscillator. Position 2-3 for Crystal

JP7

Enable SPI

Normally closed to enable SPI EEPROM

JP8

Reset Input Select

Normally closed in position 1-2 for reset switch input. Position 2-3 for RTC

reset.

JP9

UART1 Select

Normally closed in position 1-3 and 2-4 to select the RS232 connector 1.

Else can be se to position 3-5 and 4-6 to select the Urdu transceiver to be

connected to UART1.

JP10

JP11

Normally open. Used to enable backup power to uPSD if needed.

JP12

Interrupt Select for MCU

Used to map various Interrupt sources to the MCU. Normally open (see

DK3300 SCHEMATICS, page 7).

JP13

PWM Channel Select

Selects what PWM channel connects the RC circuit on the board.

Normally PWM0 is connected via position 1-2 closed.

JP14

ADC Channel Select

Selects what ADC channel connects the RC circuit on the board. Normally

ADC7 is connected via position 15-16 closed.

JP15

PWM RC Constant

Selects PWM RC constant. Normally position 1-2 (1ms) is closed.

JP16

N/A

Not selectable – fixed at 3.3V

JP17

Used to connect UART0 and

UART1 in loop back mode

Normally open. Can be connected positions 1-2 and 3-4 for loop back.