HD64F2145 Datasheet, PDF (212/829 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

• P44/TMO1/HIRQ1/HSYNCO
The pin function is switched as shown below according to the combination of the HI12E bit in
SYSCR2, the OS3 to OS0 bits in TCSR of TMR_1, the HOE bit in TCONRO of the timer
connection function, and the P44DDR bit.
HOE
OS3 to OS0
P44DDR
HI12E
Pin Function
0
—
P44
input pin
0
All 0
1
0
1
P44
output pin
HIRQ1
output pin
Not all 0
—
—
TMO1
output pin
1
—
—
—
HSYNCO
output pin
• P43/TMCI1/HIRQ11/HSYNCI
The pin function is switched as shown below according to the combination of the HI12E bit in
SYSCR2 and the P43DDR bit.
P43DDR
0
1
HI12E
—
0
1
Pin Function
P43 input pin
P43 output pin
HIRQ11 output pin
TMCI1 input pin, HSYNCI input pin*
Note:* When the external clock is selected by bits CKS2 to CKS0 in TCR1 of TMR_1, this pin is
used as the TMCI1 input pin. It can also be used as the HSYNCI input pin.
Rev. 2.0, 08/02, page 172 of 788