mc68hc05l25 Freescale Semiconductor, Inc, mc68hc05l25 Datasheet - Page 56
mc68hc05l25
Manufacturer Part Number
mc68hc05l25
Description
M68hc05 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC05L25.pdf
(152 pages)
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Input/Output Ports (I/O)
7.2.6 I/O Pin Truth Tables
Table 7-1
56
DDR
0
0
0
0
1
1
1
1
1
1
1. X is don’t care state.
2. Does not affect input, but stored to data register latch
Output
Latch
through
X
X
X
X
0
1
1
0
1
1
Table 7-6
KWIE0–
KWIE2
0
0
1
1
0
0
0
1
1
1
Table 7-1. PA0–PA2/KWI0–KWI2 I/O Pin Functions
summarize the input or output mode programming for port A.
RAL
X
X
0
1
0
1
0
1
0
1
MC68HC05L25 Data Sheet, Rev. 3.1
KWI Disable, Pullup
KWI Enable, Pullup
OUT, OD, Pullup,
OUT, OD, Pullup
OUT, OD, Hi-Z,
I/O Pin Modes
OUT, OD, Hi-Z
KWI Disable
KWI Enable
KWI Enable
KWI Enable
KWI Enable
OUT, OD,
OUT, OD
IN, Hi-Z,
IN, Hi-Z,
IN,
IN,
Read/Write
Access to
DDRA0–
DDRA0–
DDRA0–
DDRA0–
DDRA0–
DDRA0–
DDRA0–
DDRA0–
DDRA0–
DDRA0–
DDRA0–
DDRA2
DDRA2
DDRA2
DDRA2
DDRA2
DDRA2
DDRA2
DDRA2
DDRA2
DDRA2
DDRA2
Access to Data Register
Read
Latch
Latch
Latch
Latch
Latch
Latch
Pin
Pin
Pin
Pin
Freescale Semiconductor
Latch PA0–PA2
Latch, Pin
Latch, Pin
Latch, Pin
Latch, Pin
Latch, Pin
Latch, Pin
Latch
Latch
Latch
Latch
Write
2
2
2
2
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