H83644 Datasheet, PDF (200/508 Pages) Hitachi Semiconductor – H8/3644 Series Hardware Manual

8.6 Port 6
8.6.1 Overview
Port 6 is an 8-bit large-current I/O port, with a maximum sink current of 10 mA. The port 6 pin
configuration is shown in figure 8.5.
P6₇
P6₆
P6₅
Port 6
P6₄
P6₃
P6₂
P6₁
P6₀
Figure 8.5 Port 6 Pin Configuration
8.6.2 Register Configuration and Description
Table 8.14 shows the port 6 register configuration.
Table 8.14 Port 6 Registers
Name
Port data register 6
Port control register 6
Abbrev.
R/W
PDR6
R/W
PCR6
W
Initial Value
H'00
H'00
Address
H'FFD9
H'FFE9
Port Data Register 6 (PDR6)
Bit
Initial value
Read/Write
7
P6₇
0
R/W
6
P6₆
0
R/W
5
P6₅
0
R/W
4
P6₄
0
R/W
3
P6₃
0
R/W
2
P6₂
0
R/W
1
P6₁
0
R/W
0
P6₀
0
R/W
PDR6 is an 8-bit register that stores data for port 6 pins P6₇ to P6₀.
192