TWRMCF51JGUM
TWR-MCF51JG Tower Module User's Manual
Page 14 of 21
2.6
Pushbuttons, LEDs
The TWR-MCF51JG features, two pushbutton switches (SW1 & SW2) connected to IRQ signals IRQ0
(PTB1) and IRQ3 (PTC1), a pushbutton switch (SW3) connected to the master reset signal, and two
user-controllable LEDs connected to GPIO signals (PTB6 and PTC0).
Refer to Table 6 “I/O Connectors and Pin Usage Table” for more information.
2.7
General Purpose Tower Plug-in (TWRPI) Socket
The TWR-MCF51JG features a socket that can accept a variety of different Tower Plug-in modules
featuring sensors, RF transceivers, and more. The General Purpose TWRPI socket provides access to
I2C, SPI, IRQs, GPIOs, timers, analog conversion signals, TWRPI ID signals, reset, and voltage supplies.
The pinout for the TWRPI Socket is defined in Table 4.
Refer to Table 6 “I/O Connectors and Pin Usage Table” for the specific MCF51JG pin connections to the
General Purpose TWRPI socket.