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AT89LP214 数据表(PDF) 44 Page - ATMEL Corporation

部件名 AT89LP214
功能描述  8-bit Microcontroller with 2K Bytes Flash
PDF  90 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

AT89LP214 数据表(HTML) 44 Page - ATMEL Corporation

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44
3538A–MICRO–7/06
AT89LP213/214 [Preliminary]
Figure 17-2. Serial Port Mode 1
TX
CLOCK
WRITE TO SBUF
INTERNAL BUS
READ
SBUF
LOAD
SBUF
SBUF
SHIFT
INPUT SHIFT REG.
(9 BITS)
BIT
DETECTOR
1-TO-0
TRANSITION
DETECTOR
SERIAL
PORT
INTERRUPT
WRITE
TO
SBUF
÷2
SMOD1
= 0
SMOD1
= 1
TIMER 1
OVERFLOW
RXD
RX CLOCK
RX CLOCK
RX CONTROL
START
START
DATA
SEND
SAMPLE
÷16
÷16
TX CONTROL
TI
TI
ZERO DETECTOR
SBUF
TXD
INTERNAL BUS
“1”
D
Q
CL
S
LOAD
SBUF
SHIFT
SHIFT
1FFH
RI
SEND
DATA
SHIFT
TXD
TI
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
STOP BIT
START BIT
÷16 RESET
START BIT
STOP BIT
RX
CLOCK
BIT DETECTOR SAMPLE TIMES
SHIFT
RXD
RI



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