LPC2148 ARM7 PDF

Circuit Diagram Components Required Since we are using the LPC development board in this project, some of the mentioned components might already be embedded on to the board. The details of the complete circuit design are as follows. Hence, the connection between the LPC and Bluetooth module requires only two wires. The Bluetooth Module has on — board 3. So, 5V supply can be given to the module.

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Circuit Diagram Components Required Since we are using the LPC development board in this project, some of the mentioned components might already be embedded on to the board.

The details of the complete circuit design are as follows. Hence, the connection between the LPC and Bluetooth module requires only two wires. The Bluetooth Module has on — board 3. So, 5V supply can be given to the module. So, we will write the program as per these pins. When the Bluetooth module is successfully paired with the smart phone, we can configure the application in the phone to transmit the desired data. So, it is important to configure the UART module properly.

We will see how these modules are configured individually. First is the PLL0 module. PLL0 module is configured to generate the system clock i. So, we will enable the PLL0 module and also set the multiplier and divider values.

In order to do that, we will use the following commands. For this, we will use the following feed sequence. As mentioned earlier, we are using the UART1 module in the project. With the following instruction, we will set it as 8 Data bits, no Parity bits and 1 Stop bit.

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LPC2148 – Introduction

The information is transmitted one binary bit at a time; as such it is a serial communication method. The receiver synchronizes its own bus clock to that make up the word being sent, with bit zero, the least significant bit LSB being sent first. The bits are sent as pulses on the wire at specific time intervals, set at both ends of links to previously agreed values. The receiver looks at the voltage on the wire at these times; if it sees logic high, it records a binary digit 1 or 0 if the line is low. The receiver checks half way between the start and the end of the pulse to ensure it does not miss-read the voltage on the line during the brief interval while the voltage is rising or falling.

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ARM7 Based (LPC2148) Microcontroller Pin Configuration

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