HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 12

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

8.2.2 Register
Configuration
8.3.2 Register
Configuration
8.4.2 Register
Configuration
8.5.2 Register
Configuration
8.6.2 Register
Configuration
Rev.3.00 Mar. 26, 2007 Page xii of xlii
REJ09B0355-0300
Item
214
225
230
235
237
Page Revision (See Manual for Details)
Port 1 Data Direction Register (P1DDR)
Description amended
... an undefined value will be read. This register is a write-only
register, and cannot be written by bit manipulation instruction.
For details, see section 2.10.4, Access Methods for Registers
with Write-Only Bits. P1DDR is initialized to H'00 ...
Port 2 Data Direction Register (P2DDR)
Description amended
... makes the pin an input pin. This register is a write-only
register, and cannot be written by bit manipulation instruction.
For details, see section 2.10.4, Access Methods for Registers
with Write-Only Bits. P2DDR is initialized to H'00 ...
Port 3 Data Direction Register (P3DDR)
Description amended
... an undefined value will be read. P3DDR cannot be modified.
Setting a P3DDR bit to 1 ... makes the pin an input pin. This
register is a write-only register, and cannot be written by bit
manipulation instruction. For details, see section 2.10.4, Access
Methods for Registers with Write-Only Bits. P3DDR is initialized
to H'00 ...
Port 4 Register (PORT4)
Description amended
PORT4 is an 8-bit read-only register that shows port 4 pin states.
PORT4 cannot be modified. Bits 7 to 4 are reserved; ...
Port 5 Data Direction Register (P5DDR)
Description amended
... an undefined value will be read. P5DDR cannot be modified.
Setting a P5DDR bit to 1 ... makes the pin an input pin. This
register is a write-only register, and cannot be written by bit
manipulation instruction. For details, see section 2.10.4, Access
Methods for Registers with Write-Only Bits. P5DDR is initialized
to H'0 ...