at89lp216-20xi ATMEL Corporation, at89lp216-20xi Datasheet - Page 47
at89lp216-20xi
Manufacturer Part Number
at89lp216-20xi
Description
At89lp216 8-bit Microcontroller With 2k Bytes Flash
Manufacturer
ATMEL Corporation
Datasheet
1.AT89LP216-20XI.pdf
(90 pages)
- Current page: 47 of 90
- Download datasheet (3Mb)
Figure 17-4. Serial Port Mode 3
3621B–MICRO–11/07
SMOD1
SHIFT
TXD
TI
STOP BIT GEN
DATA
CLOCK
OVERFLOW
= 0
TIMER 1
TX
BIT DETECTOR SAMPLE TIMES
WRITE TO SBUF
RI
÷2
SHIFT
START BIT
RXD
SMOD1
CLOCK
RX
= 1
SEND
RXD
D0
WRITE
SAMPLE
SBUF
TO
TRANSITION
DETECTOR
INTERRUPT
START BIT
1-TO-0
÷16 RESET
D1
÷16
SERIAL
PORT
D2
D0
START
START
RX CLOCK
DETECTOR
÷16
D
CL
TB8
RX CLOCK
S
BIT
Q
D3
STOP BIT
D1
ZERO DETECTOR
RX CONTROL
TX CONTROL
READ
SBUF
RI
TI
INTERNAL BUS
LOAD
SBUF
D4
D2
SBUF
SHIFT
INTERNAL BUS
INPUT SHIFT REG.
SEND
SHIFT
1FFH
LOAD
SBUF
D5
DATA
SBUF
(9 BITS)
D3
D6
D4
SHIFT
D7
D5
TB8
D6
TXD
STOP BIT
D7
AT89LP216
RB8
STOP
BIT
47
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