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HC05 Datasheet(PDF) 104 Page - Motorola, Inc

Part # HC05
Description  High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit
PDF  232 Pages
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Manufacturer  MOTOROLA [Motorola, Inc]
Direct Link  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

HC05 Datasheet(HTML) 104 Page - Motorola, Inc

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MOTOROLA
7-2
MC68HC05X16
Rev. 1
SERIAL COMMUNICATIONS INTERFACE
7
Figure 7-1 Serial communications interface block diagram
&
&
&
&
+
+
Internal bus
SCI interrupt
Transmit
Receive
TDO
pin
RDI
Transmitter
control
Receiver
control
clock
Clock extraction
phase and
polarity control
pin
Receiver
clock
Transmitter
Flag
control
data register
data register
TIE
TCIE
RIE
ILIE
TE
RE
SBK
RWU
7
6
5
4
3
2
1
0
$000F
SCCR2
SCSR
$0010
SCCR1
$000E
TRDE
TC
RDRF
IDLE
OR
NF
FE
TE
SBK
$0011
(See note)
(See note)
R8
T8
M
WAKE
CPOL
CPHA
LBCL
0
1
2
4
3
6
5
7
765
2
3
4
1
SCLK
pin
Wake up
unit
Receive
data shift
register
Transmit
data shift
register
$0011
Note:
The serial communications data register (SCI SCDR) is controlled by the internal
R/W signal. It is the transmit data register when written to and the receive data
register when read.
7
102



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