DS80C320-ECD DALLAS [Dallas Semiconductor], DS80C320-ECD Datasheet - Page 152

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

SERIAL PORT MODE 3 Figure 12-4
SMOD_0=
PCON.7
OR
SMOD_1=
WDCON.7
OVERFLOW
BIT DETECTOR
T2CON.4
T2CON.5
TIMER 1
DIVIDE
RCLK =
TRANSMIT TIMING
TCLK =
BY 2
RECEIVE TIMING
SAMPLING
0
LDSBUF
SHIFT
SHIFT
RXD
TXD
0
0
1
RI
TI
OVERFLOW
TIMER 2
1
1
SCONx.1
FLAG =
T1
START
DIVIDE
BY 16
START
RDSBUF
LDSBUF
D0
SCONx.0
FLAG =
D0
BAUD
CLOCK
RESET
R1
BUFFER
SERIAL
LOAD
D1
D1
SERIAL
INTERRUPT
1
TRANSMIT SHIFT REGISTER
SCONx.
152 of 175
TB8=
D2
DIVIDE
D2
3
BY
16
BUFFER
SERIAL
SHIFT
LOAD
READ
SBUF
D3
D3
DETECTION
D4
BIT
D4
SI
0
RD
High-Speed Microcontroller User’s Guide
SCONx.3
D5
DATA BUS
S0
RECEIVE SHIFT REGISTER
RB8=
D5
RECEIVE DATA BUFFER
D6
D6
LATCH
P3.1
D7
D7
RB8
TB8
SBUF
RXD
PIN
TXD
PIN
STOP
WR
STOP