Z8F082ASH020SC datasheet(115/244 Pages) ZILOG

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PS024705-0405

P R E L I M I N A R Y

UART

Z8 Encore! XP® F08xA Seriess

Product Specification

0 = No parity error has occurred.

1 = A parity error has occurred.

OE—Overrun Error

This bit indicates that an overrun error has occurred. An overrun occurs when new data is

received and the UART Receive Data register has not been read. If the RDA bit is reset to

0, reading the UART Receive Data register clears this bit.

0 = No overrun error occurred.

1 = An overrun error occurred.

FE—Framing Error

This bit indicates that a framing error (no Stop bit following data reception) was detected.

Reading the UART Receive Data register clears this bit.

0 = No framing error occurred.

1 = A framing error occurred.

BRKD—Break Detect

This bit indicates that a break occurred. If the data bits, parity/multiprocessor bit, and Stop

bit(s) are all 0s this bit is set to 1. Reading the UART Receive Data register clears this bit.

0 = No break occurred.

1 = A break occurred.

TDRE—Transmitter Data Register Empty

This bit indicates that the UART Transmit Data register is empty and ready for additional

data. Writing to the UART Transmit Data register resets this bit.

0 = Do not write to the UART Transmit Data register.

1 = The UART Transmit Data register is ready to receive an additional byte to be transmit-

ted.

TXE—Transmitter Empty

This bit indicates that the transmit shift register is empty and character transmission is fin-

ished.

0 = Data is currently transmitting.

1 = Transmission is complete.

CTS—CTS signal

When this bit is read it returns the level of the CTS signal. This signal is active Low.

UART Status 1 Register

This register contains multiprocessor control and status bits.

Table 63. UART Status 1 Register (U0STAT1)

BITS

FIELD

Reserved

NEWFRM

MPRX

RESET

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