CONNECTION SYSTEM

• US 20090234998A1
• Filed: 05/16/2008
• Published: 09/17/2009
• Est. Priority Date: 03/12/2008
• Status: Abandoned Application

• Current Assignee: Hon Hai Precision Industry Co., Ltd.
• Original Assignee: Hon Hai Precision Industry Co., Ltd.
• Inventors: KUO, HENG-CHEN
• Application Number:
  US12/121,814
• Publication Number:
  US 20090234998A1
• Time in Patent Office: Days
• US Class Current: 710/110
• CPC Class Codes: G06F 13/4291 using a clocked protocol
• CPC Class Codes: G06F 2213/0016 Inter-integrated circuit (I2C)
• CPC Class Codes: G06F 2213/0052 Assignment of addresses or identifiers to the modules of a bus system

Abstract

An exemplary connection system includes an I2C bus and two or more devices. Each device has a dip switch, a MCU, and a bus controller. The dip switch is configured for assigning an address to the device. The MCU is connected to the dip switch and configured for detecting whether the device is a master or a slave device according to the address assigned by the dip switch. The bus controller is connected to the MCU and the I2C bus, and is configured for converting a data transmission mode between the MCU and the bus controller. In this system, at least one device is a master device and at least one device is a slave device, the master device is capable of monitoring the slave device, and the slave device is capable of transmitting information to the master device.

Claims

1. A connection system comprising:

an inter-integrated circuit (I2C) bus; and

two or more devices, each of the devices comprising;

a dip switch configured for assigning an address to the device;

a micro controller unit (MCU) connected to the dip switch and configured for detecting whether the device is a master device or a slave device according to the address assigned by the dip switch; and

a bus controller connected to the MCU and the I2C bus, configured for converting

a data transmission mode between the MCU and the bus controller;

wherein at least one device is a master device and at least one device is a slave device;

the master device is capable of monitoring the slave device, and the slave device is capable of transmitting information to the master device; and

all of the two or more devices are capable of serving as the master device and the slave device;

2. The connection system as claimed in claim 1, wherein each bus controller comprises a serial data pin and a serial clock pin;

the I2C bus comprises a serial data line and a serial clock line, each of the serial data pins and the serial clock pins is connected to the serial data line and the serial clock line of the I2C bus respectively via a connector.

3. The connection system as claimed in claim 1, wherein the MCU and the bus controller each comprises a plurality of address/data pins and five control pins, the corresponding address/data pins and control pins of the MCU and the bus controller are connected respectively.

4. The connection system as claimed in claim 1, wherein the MCU further comprises a plurality of input/output ports connected to the dip switch.

5. The connection system as claimed in claim 1, wherein the bus controller is capable of converting signals transmitted from the MCU to the bus controller from a parallel data transmission mode to a serial data transmission mode.

6. The connection system as claimed in claim 1, wherein the bus controller is capable of converting signals transmitted from the bus controller to the MCU from the serial data transmission mode to the parallel data transmission mode.

7. The connection system as claimed in claim 1, wherein the bus controller is an I2C bus controller.