CHAPTER 9 SERIAL INTERFACE 00
User's Manual U11919EJ3V0UM00
135
(b) Asynchronous serial interface mode register 00 (ASIM00)
ASIM00 is set with a 1-bit or 8-bit memory manipulation instruction.
RESET input clears ASIM00 to 00H.
TXE00
0
1
Transmit Operation Control
TXE00
RXE00
PS001
PS000
CL00
SL00
0
0
ASIM00
Symbol
Address
After Reset
R/W
FF70H
00H
R/W
<7>
<6>
5
4
3
2
1
0
Transmit operation stop
Transmit operation enable
Receive operation stop
Receive operation enable
RXE00
0
1
0
1
0
0
0
1
0
1
1
1
No parity
Always add 0 parity at transmission
Parity check is not performed at reception (No parity error is generated)
Odd parity
Even parity
Receive Operation Control
PS001
Parity Bit Specification
PS000
CL00
0
1
SL00
Character Length Specification
7 bits
8 bits
1 bit
2 bits
Transmit Data Stop Bit Length Specification
Cautions 1.
Be sure to set bits 0 and 1 to 0.
2.
Switching operating modes must be performed after the halt of serial
transmit/receive operation.
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Summary of Contents for UPD789026 Series
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