HD6433935 Hitachi, HD6433935 Datasheet - Page 155

• Manufacturer Part Number: HD6433935
• Description: 8-Bit MICROCONTROLLER
• Manufacturer: Hitachi

8.3
8.3.1
Port 2 is a 5-bit I/O internal port. Figure 8-2 shows its functional configuration.
Port 2 is an internal function that performs interfacing to the FLEX™ decoder incorporated in the
chip. It cannot be connected to an IC outside the chip.
8.3.2
Table 8-5 shows the port 2 register configuration.
Table 8-5
Name
Port data register 2
Port control register 2
Port mode register 2
Port mode register 4
Port 2 [Chip Internal I/O Port]
Overview
Register Configuration and Description
Note:
Port 2
Port 2 Registers
: Connected inside the chip.
Figure 8-2 Port 2 Functional Configuration
P2
P2
P2
P2
P2
Abbrev.
PDR2
PCR2
PMR2
PMR4
4
3
2
1
0
/SO
/SI
/SCK
1
1
1
R/W
R/W
W
R/W
R/W
RESET
MOSI
MISO
SCK
SS
Initial Value
H'00
H'00
H'D8
H'00
decoder
FLEX™
Address
H'FFD5
H'FFE5
H'FFC9
H'FFCB
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