DS80C320-ECD DALLAS [Dallas Semiconductor], DS80C320-ECD Datasheet - Page 149

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

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