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): 108/152頁
文件大小: 897K
代理商: MC68HC05L25PB
Port A
MC68HC05L25 Data Sheet, Rev. 3.1
Freescale Semiconductor
59
Table 7-4. PA5/AD1 I/O Pin Functions
DDR
Output
Latch
ADON
A/D
CH
AWOM
RAH
I/O Pin Modes
Access to
DDRA5
Access to Data
Register Latch PA5
Read/Write
Read
Write
0
X
0
X
0
Port IN, Hi-Z
DDRA5
Pin
Latch2
0
X
0
X
1
Port IN, Pullup
DDRA5
Pin
Latch2
0
X
1
X
A/D IN
DDRA5
0
Latch2
0
X
1
0, 2-7
X
0
Port IN, Hi-Z
DDRA5
Pin
Latch2
0
X
1
0, 2-7
X
1
Port IN, Pullup
DDRA5
Pin
Latch2
1
X
0
X
0
X
OUT, CMOS
DDRA5
Latch
Latch, Pin
1
0
X
1
X
OUT, OD
DDRA5
Latch
Latch, Pin
1
0
X
1
0
OUT, OD, Hi-Z
DDRA5
Latch
Latch, Pin
1
0
X
1
OUT, OD, Pullup
DDRA5
Latch
Latch, Pin
1
X
1
X
0
X
OUT, CMOS
DDRA5
Latch
Latch, Pin
1
0
1
X
1
X
OUT, OD
DDRA5
Latch
Latch, Pin
1
X
1
0
OUT, OD, Hi-Z
DDRA5
Latch
Latch, Pin
1
X
1
OUT, OD, Pullup
DDRA5
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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