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MC80F0204 Datasheet, PDF (77/126 Pages) List of Unclassifed Manufacturers – 8-BIT SINGLE-CHIP MICROCONTROLLERS
Preliminary
MC80F0104/0204
ASIMR
R/W R/W R/W R/W -
R/W R/W -
7
6
5
4
3
2
1
0
TXE RXE PS1 PS0 BTC- L SL ISRM -
ADDRESS: 0E6H
INITIAL VALUE: 0000 -00-B
UART Receive interrupt request is issued when an error occurs bit
0: Receive Completion Interrupt Control When Error occurs
1: Receive completion interrupt request is not issued when an error occur
UART Stop Bit Length for Specification for Transmit Data bit
0: 1 bit
1: 2 bit
UART Parity Bit Specification bit
00: No parity
01: Zero parity always added during transmission.
No parity detection during reception (parity errors do not occur)
10: Odd parity
11: Even parity
UART Tx/Rx Enable bit
00: Not used UART
01: UART Receive only Mode
10: UART Transmit only Mode
11: UART Receive & Transmit Mode
Figure 16-3 Asynchronous Serial Interface Mode register (ASIMR) Format
TXE (ASIMR.7) RXE(ASIMR.6)
0
0
0
1
1
0
1
1
EC0(PSR0.4)
X1
0
X
0
Operation Mode
Operation Stop
UART mode (Receive only)
UART mode (Transmit only)
UART mode (Transmit and receive)
RXD/R04
R04
RXD
R04
RXD
Table 16-2 UART mode and RXD/TXD pin function
1. X:The value "0" or "1" corresponding your operation
TXD/R05
R05
R05
TXD
TXD
Mar. 2005 Ver 0.2
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