HD6433682 ETC, HD6433682 Datasheet - Page 149

• Manufacturer Part Number: HD6433682
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series
• Manufacturer: ETC

P30 pin
9.4
Port 5 is a general I/O port also functioning as an I
pin, and wakeup interrupt input pin. Each pin of the port 5 is shown in figure 9.4. The register
setting of the I
P56/SDA. Since the output buffer for pins P56 and P57 has the NMOS push-pull structure, it
differs from an output buffer with the CMOS structure in the high-level output characteristics (see
section 23, Electrical Characteristics).
Port 5 has the following registers.
Register
Bit Name
Setting Value 0
Port mode register 5 (PMR5)
Port control register 5 (PCR5)
Port data register 5 (PDR5)
Port pull-up control register 5 (PUCR5)
Port 5
Port 5
2
C bus interface register has priority for functions of the pins P57/SCL and
PCR3
PCR30
1
H8/3687
Pin Function
P30 input pin
P30 output pin
Figure 9.4 Port 5 Pin Configuration
P57/SCL
P56/SDA
P55/
P54/
P53/
P52/
P51/
P50/
/
2
C bus interface I/O pin, an A/D trigger input
Port 5
Rev. 3.00, 05/03, page 119 of 472
H8/3687N
SCL
SDA
P55/
P54/
P53/
P52/
P51/
P50/
/