Service Manual Baseband Section
13
3.2.8 UART
OMAP5912 has three UART interfaces (UART1, UART2 and UART3), and supports hardware flow
control. The maximum communication rate is 1.5Mbps. The connection of UART is shown below.
UART1 is connected with the accessory jack, and is used for updating and programming. UART2 is for
GPS, and UART3 is for the option board.
Figure 3-11 Diagram of UART Interface Connection
3.2.9 I2C
OMAP5912 provides one I2C interface, and supports communication rate of up to 400Kbps. The I2C
interface is connected with the acceleration sensor, and works in slave mode. The connection of I2C is
shown below.
Figure 3-12 Diagram of I2C Connection
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