參數(shù)資料
型號(hào): MC68HC11EA9MFN2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQCC52
封裝: PLASTIC, LCC-52
文件頁(yè)數(shù): 44/58頁(yè)
文件大?。?/td> 583K
代理商: MC68HC11EA9MFN2
MC68HC11EA9
MOTOROLA
MC68HC11EA9TS/D
49
Figure 13 SCI Receiver Block Diagram
EA9 SCI RX BLOC
SCDRL Tx/Rx DATA LOW
SCDRH Tx/Rx DATA HIGH
0
1
2
3
4
5
6
7
R8 T8
$x076
$x077
FE
NF
OR
IDLE
RDRF
TC
TDRE
SCSR1 SCI STATUS 1
SBK
RWU
RE
TE
ILIE
RIE
TCIE
TIE
SCCR2 SCI CONTROL 2
WAKE
M
WOMS
LOOPS
WAKEUP
LOGIC
RIE
OR
ILIE
IDLE
SCI Tx
REQUESTS
SCI INTERRUPT
REQUEST
INTERNAL
DATA BUS
PIN BUFFER
AND CONTROL
DDD0
PD0
RxD
STOP
(8) 76543210
10 (11) - BIT
Rx SHIFT REGISTER
(READ ONLY)
SCCR1 SCI CONTROL 1
RIE
RDRF
START
MSB
ALL ONES
DATA
RECOVERY
÷16
RWU
M
RE
(DISABLES
PIN DRIVER)
RECEIVER
CLOCK
(FROM MODULUS
BAUD RATE
GENERATOR)
ILT
PE
PT
PARITY
DETECT
PF
RAF
SCSR2 SCI STATUS 2
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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.
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