HD64F2149 Datasheet, PDF (248/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Table 8.9 Port 4 Pin Functions
Pin
P47/PWX1
Selection Method and Pin Functions
The pin function is switched as shown below according to the combination of
bit OEB in DACR of 14-bit PWM, and bit P47DDR.
OEB
0
1
P47DDR
0
1
—
Pin function P47 input pin
P47 output pin
PWX1 output pin
P46/PWX0
The pin function is switched as shown below according to the combination of
bit OEA in DACR of 14-bit PWM, and bit P46DDR.
OEA
0
1
P46DDR
0
1
—
Pin function P46 input pin
P46 output pin
PWX0 output pin
P45/TMRI1/
The pin function is switched as shown below according to the combination of
HIRQ12/CSYNCI bit HI12E in SYSCR2, and bit P45DDR.
P45DDR
0
1
HI12E
—
0
1
Pin function P45 input pin
P45 output pin HIRQ12 output pin
TMRI1 input pin, CSYNCI input pin
When bits CCLR1 and CCLR0 in TCR1 of TMR1 are set to 1, this pin is used
as the TMRI1 input pin. It can also be used as the CSYNCI input pin.
P44/TMO1/
HIRQ1/HSYNCO
The pin function is switched as shown below according to the combination of
bit HI12E in SYSCR2, bits OS3 to OS0 in TCSR of TMR1, bit HOE in
TCONRO of the timer connection function, and bit P44DDR.
HOE
0
1
OS3 to OS0
All 0
Not all 0
—
P44DDR
0
1
—
—
HI12E
—
0
1
—
—
Pin function P44
P44
HIRQ1
TMO1 HSYNCO
input pin output pin output pin output pin output pin
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