UPD78F9418A NEC, UPD78F9418A Datasheet - Page 186
UPD78F9418A
Manufacturer Part Number
UPD78F9418A
Description
(UPD7894xxA) 8-Bit Single Chip Microcontrollers
Manufacturer
NEC
Datasheet
1.UPD78F9418A.pdf
(319 pages)
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186
ASIM00
Symbol
(b)
RXE00
PS001
TXE00 RXE00 PS001 PS000 CL00 SL00
TXE00
CL00
SL00
<7>
0
1
0
1
0
0
1
1
0
1
0
1
Asynchronous serial interface mode register 00 (ASIM00)
ASIM00 is set using a 1-bit or 8-bit memory manipulation instruction.
RESET input sets ASIM00 to 00H.
Cautions 1. Bits 0 and 1 must be fixed to 0.
PS000
Transmit operation stopped
Transmit operation enabled
Receive operation stopped
Receive operation enabled
7 bits
8 bits
1 bit
2 bits
<6>
0
1
0
1
2. Switching operation modes must be performed after the serial transmit/receive
No parity
0 parity always added at transmission
Parity check is not performed at reception (no parity error occurs)
Odd parity
Even parity
5
operation is stopped.
4
CHAPTER 13 SERIAL INTERFACE 00
3
User’s Manual U13952EJ3V0UD
2
Transmit data stop bit length specification
1
0
Character length specification
Transmit operation control
Receive operation control
0
0
Parity bit specification
Address
FF70H
After reset
00H
R/W
R/W
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