Appendix B Internal I/O Registers
Rev. 6.00 Aug 04, 2006 page 608 of 680
REJ09B0145-0600
PMR3—Port Mode Register 3
H'CA
I/O port
Bit
Initial value
Read/Write
Note:
*
In the H8/38347 Group and H8/38447 Group this bit is reserved and cannot be written to.
7
AEVL
0
R/W
6
AEVH
0
R/W
5
WDCKS
0
R/W
3
IRQ0
0
R/W
0
PWM
0
R/W
2
RESO
*
0
R/W
1
UD
0
R/W
4
NCS
0
R/W
P3
0
/PWM pin function switch
0
Functions as P3
0
I/O pin
1
Functions as PWM output pin
P3
2
/RESO pin function switch
0
Functions as P3
2
I/O pin
1
Functions as RESO I/O pin
P4
3
/IRQ0 pin function switch
0
Functions as P4
3
I/O pin
1
Functions as IRQ
0
input pin
Watchdog timer switch
0
φ
8192
1
P3
1
/UD pin function switch
0
Functions as P3
1
I/O pin
1
Functions as UD input pin
TMIG noise canceler select
0
Noise cancellation function not used
1
Noise cancellation function used
P3
6
/AEVH pin function switch
0
Functions as P3
6
I/O pin
Functions as AEVH input pin
φ
w/4
1
P3
7
/AEVL pin function switch
0
Functions as P3
7
I/O pin
1
Functions as AEVL input pin
Содержание H8/38342
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Страница 580: ...Section 15 Electrical Characteristics Rev 6 00 Aug 04 2006 page 542 of 680 REJ09B0145 0600...