DS80C320-ECD DALLAS [Dallas Semiconductor], DS80C320-ECD Datasheet - Page 150

• Manufacturer Part Number: DS80C320-ECD
• Description: High-Speed Microcontroller User Guide
• Manufacturer: DALLAS [Dallas Semiconductor]

SERIAL PORT MODE 2 Figure 12-3
SMOD_0=
PCON.7
OR
SMOD_1=
WDCON.7
TRANSMIT TIMING
RECEIVE TIMING
CRYSTAL/2
BIT DETECTOR
DIVIDE
OSC/2=
BY 2
SAMPLING
0
LDSBUF
SHIFT
SHIFT
RXD
1
TXD
RI
TI
DIVIDE
BY 16
SCONx.1
FLAG =
T1
START
START
RDSBUF
LDSBUF
D0
SCONx.0
FLAG =
D0
SHIFT
CLOCK
RESET
R1
BUFFER
SERIAL
LOAD
D1
D1
SERIAL
INTERRUPT
1
TRANSMIT SHIFT REGISTER
150 of 175
SCONx.3
TB8 =
D2
DIVIDE
D2
BY
16
BUFFER
SERIAL
SHIFT
LOAD
READ
SBUF
D3
D3
DETECTION
BIT
D4
D4
SI
0
High-Speed Microcontroller User’s Guide
RD
SCONx.2
DATA BUS
S0
D5
RECEIVE SHIFT REGISTER
RB8=
D5
RECEIVE DATA BUFFER WR
D6
D6
LATCH
P3.1
D7
D7
RB8
RXD
PIN
TB8
SBUF
TXD
PIN
STOP
STOP