参数资料
型号: MC68HC11ED0CFN2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 2 MHz, MICROCONTROLLER, PQCC44
封装: PLASTIC, LCC-44
文件页数: 80/108页
文件大小: 1672K
代理商: MC68HC11ED0CFN2
Serial Communications Interface (SCI)
Introduction
MC68HC11ED0 — Rev. 1.0
Technical Summary
Serial Communications Interface (SCI)
Figure 7-2. SCI Receiver Block Diagram
FE
NF
OR
ID
LE
R
DRF
TC
T
DRE
SCSR SCI STATUS 1
SBK
RW
U
RE
TE
IL
IE
RI
E
TC
IE
TI
E
SCCR2 SCI CONTROL 2
WA
K
E
M
T8
R8
WAKEUP
LOGIC
RIE
OR
ILIE
IDLE
SCI Tx
REQUESTS
SCI INTERRUPT
REQUEST
INTERNAL
DATA BUS
PIN BUFFER
AND CONTROL
DDD0
PD0
RxD
SCDR Rx BUFFER
ST
OP
(8) 76543210
10 (11) - BIT
Rx SHIFT REGISTER
READ ONLY
SCCR1 SCI CONTROL 1
RIE
RDRF
ST
AR
T
MSB
ALL 1s
DATA
RECOVERY
÷16
RWU
RE
M
DISABLE
DRIVER
RECEIVER
BAUD RATE
CLOCK
8
F
re
e
sc
a
le
S
e
m
ic
o
n
d
u
c
to
r,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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