TWR-K21D50M Freescale Semiconductor, TWR-K21D50M Datasheet - Page 14

• Manufacturer Part Number: TWR-K21D50M
• Description: Development Boards & Kits - ARM
• Manufacturer: Freescale Semiconductor

Specifications of TWR-K21D50M

• Rohs: yes
• Product: Development Boards
• Tool Is For Evaluation Of: MK21DN512VMC5
• Core: ARM Cortex M4
• Interface Type: USB
• Operating Supply Voltage: 1.8 V/3.3 V
• Description/function: TWR-K21D50M MCU module is designed to work either in stand-alone mode or as part of the Freescale Tower System
• For Use With: Freescale Tower Systems

Accelerometer IRQ connection
Potentiometer connection
General Purpose TWRPI
USB over-current flag
V_BRD power enable
GPIO RESET_OUT_B
USB power enable
LED connections
Connection
Option
TWR-K21D50M Tower Module User’s Manual
Jumper
J22
J23
J10
J18
J12
J15
J13
Setting
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
1-2
3-4
ON
1-2
3-4
5-6
7-8
1-2
2-3
power switch MIC2026
(V_BRD) to TWRPI 3-V power (GPT_VBRD)
Connect PTC9 to USB power enable on
power switch MIC2026
Disconnect PTC9 from USB power enable on
power switch MIC2026
Connect PTC8 to over-current flag on power
switch MIC2026
Disconnect PTC8 from over-current flag on
Connect on-board 1.8 V or 3.3 V supply
Disconnect on-board 1.8 V or 3.3 V supply
(V_BRD) from TWRPI 3-V power (GPT_VBRD)
Connect PTB0 to INT1 pin of accelerometer
Connect PTB1 to INT2 pin of accelerometer
Disconnect PTB0 and/or PTB1 from INT1
and/or INT2 of accelerometer
Connect potentiometer to ADC0_SE12
Disconnect potentiometer from ADC0_SE12
Connect PTD4 to green LED (D5)
Connect PTD5 to yellow LED (D6)
Connect PTD6 to red LED (D8)
Connect PTD7 to blue LED (D9)
Disconnect PTD[4:7] from associated LED
Connect PTA14 to RESET_OUT_B signal
Connect PTA17 to RESET_OUT_B signal
Leave RESET_OUT_B signal disconnected
Description
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