HD64F2149 Datasheet, PDF (946/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

TCNT0—Timer Counter 0
TCNT1—Timer Counter 1
Bit
7
6
H'FFA8 (W), H'FFA9 (R)
H'FFEA (W), H'FFEB (R)
5
4
3
2
1
WDT0
WDT1
0
Initial value 0
0
0
0
0
0
0
0
Read/Write R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Up-counter
PAODR—Port A Output Data Register
H'FFAA
Port A
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
PA7ODR PA6ODR PA5ODR PA4ODR PA3ODR PA2ODR PA1ODR PA0ODR
0
0
0
0
0
0
0
0
R/W
R/W R/W
R/W R/W R/W
R/W R/W
Output data for port A pins
PAPIN—Port A Input Data Register
H'FFAB (R)
Port A
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
PA7PIN PA6PIN PA5PIN PA4PIN PA3PIN PA2PIN PA1PIN PA0PIN
—*
—*
—*
—*
—*
—*
—*
—*
R
R
R
R
R
R
R
R
Port A pin states
Note: * Determined by state of pins PA7 to PA0.
PADDR—Port A Data Direction Register
H'FFAB (W)
Port A
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
PA7DDR PA6DDR PA5DDR PA4DDR PA3DDR PA2DDR PA1DDR PA0DDR
0
0
0
0
0
0
0
0
W
W
W
W
W
W
W
W
Specification of input or output for port A pins
912