参数资料
型号: MC68HC05C12AB
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, PDIP42
封装: SHRINK, PLASTIC, DIP-42
文件页数: 122/156页
文件大小: 3848K
代理商: MC68HC05C12AB
NON-DISCLOSURE
AGREEMENT
REQUIRED
Serial Communications Interface (SCI)
General Release Specification
MC68HC05C12A Rev. 3.0
Serial Communications Interface (SCI)
9.5.2 Receiver
Figure 9-3 shows the structure of the SCI receiver.
Figure 9-3. SCI Receiver
T8
SCDR ($0011)
6
BIT 7
54321
BIT 0
BAUD RATE REGISTER (BAUD)
SCP0
SCR2
SCR1
SCR0
$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
RECEIVE SHIFT REGISTER
7
6
5
4
3
2
1
0
8
RDRF
IDLE
R8
RE
PIN BUFFER
AND CONTROL
PD0/
RDI
INTERNAL DATA BUS
M
RIE
ILIE
SCI
TRANSMIT
REQUESTS
SCI
INTERRUPT
REQUEST
16X
BAUD RATE
CLOCK
DATA
RECOVERY
WAKEUP
LOGIC
FULL
O
VERR
UN
IDLE
MSB
ST
OP
ST
AR
T
÷16
FE
RWU
NF
OR
RIE
0
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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