ZUSBOPTSC01ZAC datasheet(163/402 Pages) ZILOG

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PS024604-1005

P R E L I M I N A R Y

LIN-UART Baud Rate High and Low Byte

Z8FMC16100 Series Flash MCU

Product Specification

141

The LIN-UART data rate is calculated using the following equation for standard UART

modes. For LIN protocol, the Baud Rate registers must be programmed with the baud

period rather than 1/16 baud period.

The UART must be disabled when updating the Baud Rate registers because the high and

low registers must be written independently.

The LIN-UART data rate is calculated using the following equation for standard UART

operation:

The LIN-UART data rate is calculated using the following equation for LIN mode UART

operation:

For a given LIN-UART data rate, the integer baud rate divisor value is calculated using the

following equation for standard UART operation:

For a given LIN-UART data rate, the integer baud rate divisor value is calculated using the

following equation for LIN mode UART operation:

Table 77. LIN-UART Baud Rate Low Byte Register (U0BRL)

BITS

FIELD

BRL

RESET

FFH

R/W

ADDR

F47H

UART Data Rate (bits per second) =

System Clock Frequency (Hz)

16 x UART Baud Rate Divisor Value

UART Data Rate (bits per second) =

System Clock Frequency (Hz)

UART Baud Rate Divisor Value

Note:

UART Baud Rate Divisor Value (BRG)

Round

System Clock Frequency (Hz)

xUART Data Rate (bits/s)

-------------------------------------------------------------------------------





UART Baud Rate Divisor Value (BRG)

Round

System Clock Frequency (Hz)

UART Data Rate (bits/s)

-------------------------------------------------------------------------------





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