參數(shù)資料
型號: MC68HC05PD6
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP80
封裝: PLASTIC, TQFP-80
文件頁數(shù): 121/165頁
文件大?。?/td> 841K
代理商: MC68HC05PD6
July 7, 1997
GENERAL RELEASE SPECIFICATION
MC68HC05PD6
INPUT/OUTPUT PORTS
MOTOROLA
REV 1.1
7-9
DWOML – Port D Open Drain Mode (L)
When this bit is set, the lower 4 bits of Port D are congured as open drain
outputs if the corresponding BP
x pin is not used by the LCD driver. This bit is
cleared on reset.
EWOMH – Port E Open Drain Mode (H)
When this bit is set, the upper 4 bits of Port E that are congured as I/O output
by the PEM
x bits in the PEMUX are congured as open drain outputs. This bit
is cleared on reset.
EWOML – Port E Open Drain Mode (L)
When this bit is set, the lower 4 bits of Port E that are congured as I/O output
by the PEM
x bits in the PEMUX are congured as open drain outputs. This bit
is cleared on reset.
AWOMH – Port A Open Drain Mode (H)
When this bit is set, upper 4 bits of Port A that are congured as output
(corresponding DDRA bit set) becomes open drain outputs. This bit is cleared
on reset.
AWOML – Port A Open Drain Mode (L)
When this bit is set, lower 4 bits of Port A that are congured as output
(corresponding DDRA bit set) becomes open drain outputs. This bit is cleared
on reset.
7.8.4 Open Drain Output Control Register 2 (WOM2)
CWOM
x – Port C Open Drain Mode (bit x)
When CWOM
x bit is set, Port C bit x are congured as open drain outputs if
DDRC
x is set. This bit is cleared on reset.
W
R
WOM2
$000B
reset
1
7
00
54
1
0000
6
3210
1
CWOM3
CWOM2
CWOM1
CWOM0
CWOM5
CWOM4
option
map
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