Freescale Semiconductor TWR-K64F120M, Быстрый старт, Страница: 6 / 12

6
Quick Start Guide
TWR-K64F120M Jumper Options
The following is a list of all jumper options on the TWR-K64F120M. The default installed
jumper settings are indicated in the shaded boxes.
Jumper Option Setting Description
50 MHz Clock
OSC Power
J33 1–2 Enable V_BRD power supply to 50 MHz OSC
J32 1–2 Disable V_BRD power supply to 50 MHz OSC
JTAG Board
Power
Selection
J14
ON
Connect 5 V output (P5V_TRG_USB) to JTAG port (supports
powering board from JTAG pod supporting 5 V supply output)
OFF
Disconnect JTAG 5 V output (P5V_TRG_USB) from JTAG port
UART4_TX J36
ON Connect PTE24 as UART4_TX to Secondary TWR_ELEV
OFF Disconnect PTE24 as UART4_TX to Secondary TWR_ELEV
UART4_RX J27
ON Connect PTE25 as UART4_RX to Secondary TWR_ELEV
OFF Disconnect PTE25 as UART4_RX to Secondary TWR_ELEV
SDHC_WP /
UART4_RTS_B
J34
ON
Connect PTE27 as UART4_RTS_B to Secondary TWR_ELEV or as
SDHC_WP to SD card slot as write protect signal
OFF
Disconnect PTE27 as UART4_RTS_B to Secondary TWR_ELEV or
as SDHC_WP to SD card slot as write protect signal
GPIO3_ELEV J35
ON Connect PTE28 as General-Purpose I/O to TWR_ELEV
OFF Disconnect PTE28 as General-Purpose I/O to TWR_ELEV
UART_CTS /
RTC_CLKOUT/
J31
ON
Connect PTE26 as UART_CTS to Secondary TWR_ELEV or as
RTC_CLKOUT to primary TWR_ELEV or as Clock input for 1588
1588_CLKIN OFF
Disconnect PTE26 as UART_CTS to Secondary TWR_ELEV or as
RTC_CLKOUT to primary TWR_ELEV or as Clock input for 1588
TAMPER0 J21
ON
OFF