參數(shù)資料
型號: MC68HC05L25PB
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, PQFP52
封裝: TQFP-52
文件頁數(shù): 107/152頁
文件大?。?/td> 897K
代理商: MC68HC05L25PB
Input/Output Ports (I/O)
MC68HC05L25 Data Sheet, Rev. 3.1
58
Freescale Semiconductor
Table 7-3. PA4/AD0/EVI I/O Pin Functions
DDR
Output
Latch
EVCE
ADON
A/D
CH
AWOM
RAH
I/O Pin Modes
Access to
DDRA4
Access to Data Register
Latch PA4
Read/Write
Read
Write
0
X
0
X
0
Port IN, Hi-Z
DDRA4
Pin
Latch2
0
X
0
X
1
Port IN, Pullup
DDRA4
Pin
Latch2
0
X
1
0
X
A/D IN
DDRA4
0
Latch2
0
X
1
1-7
X
0
Port IN, Hi-Z
DDRA4
Pin
Latch2
0
X
1
1-7
X
1
Port IN, Pullup
DDRA4
Pin
Latch2
0X
1
X
0
Port IN, Hi-Z,
Event In
DDRA4
Pin
Latch2
0X
1
X
1
Port IN, Pullup,
Event In
DDRA4
Pin
Latch2
1
X
0
X
0
X
OUT, CMOS
DDRA4
Latch
Latch, Pin
1
0
X
1
X
OUT, OD
DDRA4
Latch
Latch, Pin
1
0
X
1
0
OUT, OD, Hi-Z
DDRA4
Latch
Latch, Pin
1
0
X
1
OUT, OD, Pullup
DDRA4
Latch
Latch, Pin
1
X
0
1
X
0
X
OUT, CMOS
DDRA4
Latch
Latch, Pin
1
0
1
X
1
X
OUT, OD
DDRA4
Latch
Latch, Pin
1
X
1
0
1
0
OUT, OD
DDRA4
Latch
Latch, Pin
1
0
1
1-7
1
0
OUT, OD, Hi-Z
DDRA4
Latch
Latch, Pin
1
0
1
X
1
OUT, OD, Pullup
DDRA4
Latch
Latch, Pin
1X
1
0
X
0
X
OUT, CMOS,
Event In
DDRA4
Latch
Latch, Pin
1
0
1
0
X
1
X
OUT, OD, Event In
DDRA4
Latch
Latch, Pin
1
110
X
1
0
OUT, OD, Hi-Z,
Event In
DDRA4
Latch
Latch, Pin
1
110
X
1
OUT, OD,
Event In, Pullup
DDRA4
Latch
Latch, Pin
1X
1
1-7
0
X
OUT, CMOS,
Event In
DDRA4
Latch
Latch, Pin
1
011
1-7
1
X
OUT, OD,
Event In
DDRA4
Latch
Latch, Pin
1
111
1-7
1
0
OUT, OD, Hi-Z,
Event In
DDRA4
Latch
Latch, Pin
1
111
1-7
1
OUT, OD,
Event In, Pullup
DDRA4
Latch
Latch, Pin
1. X is don’t care state.
2. Does not affect input, but stored to data register latch
3. Do not apply analog voltage to this pin unless the I/O pin mode is set to A/D IN. Excessive current may be drawn if this pin is read
as a digital input port while analog voltage is applied.
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