參數(shù)資料
型號: MC68HC05C8A
廠商: Motorola, Inc.
英文描述: Microcontrollers
中文描述: 微控制器
文件頁數(shù): 73/158頁
文件大?。?/td> 773K
代理商: MC68HC05C8A
Serial Communications Interface (SCI)
SCI Operation
MC68HC05C8A
MC68HCL05C8A
MC68HSC05C8A
Rev. 5.0
Technical Data
MOTOROLA
Serial Communications Interface (SCI)
73
Figure 9-2. SCI Transmitter
0
T8
TCIE
TC
BIT 6
SCDR ($0011)
6
0
BIT 7
5
4
3
0
2
1
BIT 0
SCR0
0
BAUD RATE REGISTER (BAUD)
SCI CONTROL REGISTER 1 (SCCR1)
SCI CONTROL REGISTER 2 (SCCR2)
SCI STATUS REGISTER (SCSR)
SCI DATA REGISTER (SCDR)
SCP0
M
ILIE
IDLR
BIT 4
SCR2
0
SCR1
0
$000D
$000E
$000F
$0010
$0011
R8
TIE
TDRE
BIT 7
WAKE
TE
OR
BIT 3
RIE
RDRF
BIT 5
RE
NF
BIT 2
RWU
FE
SBK
0
SCP1
0
BIT 1
BIT 0
TRANSMIT SHIFT REGISTER
7 6 5 4 3 2 1 0
8
H
L
TRANSMITTER
CONTROL LOGIC
L
S
P
B
TDRE
TC
M
T8
TE
PIN BUFFER
AND CONTROL
PD1/
TDO
INTERNAL DATA BUS
SBK
TIE
TCIE
SCI
RECEIVE
REQUESTS
SCI
INTERRUPT
REQUEST
1X
BAUD RATE
CLOCK
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