Keypad interface to ARM7 board(MCB2140)

I have a 4x4 keypad(ordinary keypad with no data sheets) which has only 8 o/p pins(nothing other than that) and a board MCB2140 (from keil).I have the processor schematics,but I have struck with the...
Keypad interface to ARM7 board(MCB2140)

I have a 4x4 keypad(ordinary keypad with no data sheets) which has only 8 o/p pins(nothing other than that) and a board MCB2140 (from keil).I have the processor schematics,but I have struck with the...
ARM7 MCB2140 compatible SD memory card

Hi I want to know manufacturers/specifications of some of the SD cards that can be used with the ARM 7 MCB2140 board. I am looking to use a 512MB SD card as a data storage device. Thank you. All...
ARM7 MCB2140 compatible SD memory card

Hi I want to know manufacturers/specifications of some of the SD cards that can be used with the ARM 7 MCB2140 board. I am looking to use a 512MB SD card as a data storage device. Thank you. All...
MCB2140 Bluetooth interfacing

I am trying to interface the 8-pin bluetooth module Promi-ESD-02 with the Keil MCB2140 ARM7 board. The bluetooth module communicates with the MCU using UART (so I need to connect it to RxD0, TxD0 pins...