参数资料
型号: M68HC11K
厂商: Motorola, Inc.
元件分类: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件页数: 44/80页
文件大小: 420K
代理商: M68HC11K
MOTOROLA
44
M68HC11 K Series
MC68HC11KTS/D
LIRDV—LIR Driven
Refer to
2 Operating Modes
.
CWOM —Port C Wired-OR Mode
0 = Port C operates normally.
1 = Port C outputs are open-drain.
Bit 5 —Not implemented
Always read zero
IRVNE —Internal Read Visibility/Not E
Refer to
2 Operating Modes
.
LSBF —SPI LSB First Enable
Refer to
8 Serial Peripheral Interface
.
SPR2 —SPI Clock (SCK) Rate Select
Refer to
8 Serial Peripheral Interface
.
XDV[1:0] —XOUT Clock Divide Select
Refer to
2 Operating Modes
.
Bits [7:6] — Not implemented
Always read zero
DDD[5:0] — Data Direction for Port D
0 = Corresponding pin configured for input
1 = Corresponding pin configured for output
NOTE
When the SPI system is in slave mode, DDD5 has no meaning nor effect. When
the SPI system is in master mode, DDD5 determines whether bit 5 of PORTD is an
error detect input (DDD5 = 0) or a general-purpose output (DDD5 = 1). If the SPI
system is enabled and expects any of bits [4:2] to be an input that bit will be an input
regardless of the state of the associated DDR bit. If any of bits [4:2] are expected
to be outputs that bit will be an output
only
if the associated DDR bit is set.
OPT2
—System Configuration Options 2
$0038
Bit 7
LIRDV
0
6
5
0
4
3
2
1
Bit 0
XDV0
0
CWOM
0
IRVNE
LSBF
0
SPR2
0
XDV1
0
RESET:
PORTD
—Port D Data
$0008
Bit 7
0
6
0
5
4
3
2
1
Bit 0
PD0
I
PD5
I
PD4
I
PD3
I
PD2
I
PD1
I
RESET:
Alt. Pin
Func.:
SS
SCK
MOSI
MISO
TxD
RxD
DDRD
—Data Direction Register for Port D
$0009
Bit 7
0
6
0
5
4
3
2
1
Bit 0
DDD0
0
DDD5
0
DDD4
0
DDD3
0
DDD2
0
DDD1
0
RESET:
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