參數(shù)資料
型號: MC68HC11KA4TS
廠商: Motorola, Inc.
英文描述: KPT 3C 3#16 PIN PLUG
中文描述: 8位微控制器
文件頁數(shù): 36/68頁
文件大小: 365K
代理商: MC68HC11KA4TS
MOTOROLA
36
MC68HC11KA4
MC68HC11KA4TS/D
Port H pins reset to high-impedance inputs with selectable internal pull-up resistors.
Bits [7:4] — Not implemented
Always read zero
DDH[3:0] — Data Direction for Port H
0 = Bits set to zero to configure corresponding I/O pin for input only
1 = Bits set to one to configure corresponding I/O pin for output
NOTE
In any mode, PWM circuitry forces the I/O state to be an output for each port H line
associated with an enabled pulse-width modulator channel. In these cases, data
direction bits are not changed and have no effect on these lines. DDRH reverts to
controlling the I/O state of a pin when the associated function is disabled. Refer to
12 Pulse-Width Modulation Timer
for further information.
Port G pins reset to high-impedance inputs with selectable internal pull-up resistors. In expanded and
special test modes PG7 becomes R/W.
DDG7 — Data Direction for Port G
0 = Bit set to zero to configure corresponding I/O pin for input only
1 = Bit set to one to configure corresponding I/O pin for output
In expanded and test modes, bit 7 is configured for R/W, forcing the state of this pin to be an output
although the DDRG value remains zero.
Bits [6:0] — Not implemented
Always read zero
PORTH
— Port H Data
$007C
Bit 7
6
5
4
3
2
1
Bit 0
PH3
PH2
PH1
PH0
RESET:
0
0
0
0
U
U
U
U
Alt. Pin
Func.:
PW4
PW3
PW2
PW1
DDRH
— Data Direction Register for Port H
$007D
Bit 7
6
5
4
3
2
1
Bit 0
DDH3
DDH2
DDH1
DDH0
RESET:
0
0
0
0
1
1
1
1
PORTG
— Port G Data
$007E
Bit 7
6
5
4
3
2
1
Bit 0
PG7
RESET:
U
0
0
0
0
0
0
0
Alt. Pin
Func.:
R/W
DDRG
— Data Direction Register for Port G
$007F
Bit 7
6
5
4
3
2
1
Bit 0
DDG7
RESET:
0
0
0
0
0
0
0
0
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