H8SX1520 Datasheet, PDF (248/846 Pages) Renesas Technology Corp – 32-Bit CISC Microcomputer H8SX Family H8SX/1500 Series

Section 8 I/O Ports
8.1 Register Descriptions
Table 8.2 lists each port registers.
Table 8.2 Register Configuration in Each Port
Registers
Port
Number of
Pins
DDR DR
PORT ICR
PCR ODR PHRTIDR
Port 1
8
Port 2*¹ 4
O
O
O
O



O
O
O
O

O

Port 3
8
O
O
O
O



Port 4
8


O
O



Port 5
8
Port 6*² 7
Port A*³ 7


O
O



O
O
O
O



O
O
O
O



Port D 8
O
O
O
O
O


Port H 8
O
O
O
O
O

O
Port J
8
O
O
O
O
O


Port K 8
O
O
O
O
O


[Legend]
O: Register exists
: No register exists
Notes: 1. The lower four bits are valid and the upper four bits are reserved. The write value
should always be the initial value.
2. The lower seven bits are valid and the upper one bit is reserved. The write value should
always be the initial value.
3. The upper seven bits are valid and the lower one bit is reserved. The write value should
always be the initial value.
Rev. 3.00 Mar. 14, 2006 Page 210 of 804
REJ09B0104-0300