HD6432670 Hitachi, HD6432670 Datasheet - Page 498

• Manufacturer Part Number: HD6432670
• Description: (HD64F267x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

RE
P51DDR
Pin function
Note:
The pin function is switched as shown below according to the combination of bit TE in SCR of
SCI_2, bit ITS0 in ITSR, and bit P50DDR.
TE
P50DDR
Pin function
Note:
10.6
Port 6 is a 6-bit I/O port that also has other functions. The port 6 has the following registers. For
details on the port function control register 2, refer to section 10.3.5, Port Function Control
Register 2 (PFCR2).
10.6.1
The individual bits of P6DDR specify input or output for the pins of port 6.
P6DDR cannot be read; if it is, an undefined value will be read.
Rev. 2.0, 04/02, page 452 of 906
P50/TxD2/ ,54
Port 6 data direction register (P6DDR)
Port 6 data register (P6DR)
Port 6 register (PORT6)
Port function control register 2 (PFCR2)
,54
,54
Port 6
Port 6 Data Direction Register (P6DDR)
input when ITS1 = 0.
input when ITS0 = 0.
P51 input
P50 input
0
0
0
0
,54
,54
P51 output
P50 output
interrupt input*
interrupt input*
1
1
RxD2 input
TxD2 input
—
—
1
1