参数资料
型号: MC68HC05C8AFNE
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQCC44
封装: PLASTIC, LCC-44
文件页数: 61/116页
文件大小: 781K
代理商: MC68HC05C8AFNE
SCI Operation
MC68HC05C8A MC68HCL05C8A MC68HSC05C8A Data Sheet, Rev. 5.1
Freescale Semiconductor
49
Figure 9-2. SCI Transmitter
0
T8
SCDR ($0011)
6
BIT 7
5
4321
BIT 0
BAUD RATE REGISTER (BAUD)
SCP0
SCR2
SCR1
$000D
R8
SCI CONTROL REGISTER 1 (SCCR1)
M
WAKE
$000E
TCIE
TIE
SCI CONTROL REGISTER 2 (SCCR2)
RIE
ILIE
TE
RE
RWU
SBK
$000F
SCP1
TC
TDRE
SCI STATUS REGISTER (SCSR)
RDRF
IDLR
OR
NF
$0010
BIT 6
BIT 7
SCI DATA REGISTER (SCDR)
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
$0011
FE
0
TRANSMIT SHIFT REGISTER
7
6
5
4
3
2
1
0
8
H
L
TRANSMITTER
CONTROL LOGIC
LO
AD
FR
OM
SCDR
SHIFT
ENABL
E
PREAMB
LE
(ALL
LO
G
IC
1S)
BREAK
(ALL
LOGIC
0S
)
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
0
SCR0
0
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