English
Language : 

DS80C310_1 Datasheet, PDF (18/21 Pages) Dallas Semiconductor – High-Speed Micro
◁
DS80C310
SERIAL PORT MODE 0 TIMING
SERIAL PORT 0 (SYNCHRONOUS MODE)
HIGH SPEED OPERATION SM2=1=>TXD CLOCK=XTAL/4
ALE
PSEN
WRITE TO SBUF
RXD
DATA OUT
TXD
CLOCK
TI
WRITE TO SCON
TO CLEAR RI
RXD
DATA IN
TXD
CLOCK
RI
tQVXL
tXHQX
D0
D1
D2
D3
D4
D5
D7
D8
tXLXL
D0
D1
D2
D3
D4
D5
D7
D8
tXHDV
tXHDX
TRANSMIT
RECEIVE
SERIAL PORT 0 (SYNCHRONOUS MODE)
SM2=0=>TXD CLOCK=XTAL/12
ALE
PSEN
WRITE TO SBUF
RXD
DATA OUT
TXD
CLOCK
TI
RXD DATA IN
TXD CLOCK
RI
D0
WRITE TO SCON TO CLEAR RI
1/(XTAL FREQ/12)
D1
D0
D1
D6
D6
D7
D7
031296 18/21
 ▷