HD64F2149YV datasheet(258/1075 Pages) RENESAS

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Section 8 I/O Ports

Rev. 3.00 Jan 18, 2006 page 230 of 1044

REJ09B0280-0300

8.7.2

Table 8.12 shows the port 6 register configuration.

Table 8.12

Port 6 Registers

Name

Abbreviation R/W

Initial Value

Address*

Port 6 data direction register

P6DDR

H'00

H'FFB9

Port 6 data register

P6DR

R/W

H'00

H'FFBB

Port 6 MOS pull-up control register

KMPCR

R/W

H'00

H'FFF2*

System control register

SYSCR2

R/W

H'00

H'FF83

Notes: 1. Lower 16 bits of the address.

2. KMPCR has the same address as TICRR/TCORAY of TMRX/TMRY. To select

KMPCR, set the HIE bit to 1 in SYSCR and set the MSTP2 bit to 0 in MSTPCRL.

Port 6 Data Direction Register (P6DDR)

P67DDR

P66DDR

P65DDR

P64DDR

P63DDR

P60DDR

P62DDR

P61DDR

Bit

Initial value

Read/Write

P6DDR is an 8-bit write-only register, the individual bits of which specify input or output for the

pins of port 6. P6DDR cannot be read; if it is, an undefined value will be returned.

Setting a P6DDR bit to 1 makes the corresponding port 6 pin an output pin, while clearing the bit

to 0 makes the pin an input pin.

P6DDR is initialized to H'00 by a reset and in hardware standby mode. It retains its prior state in

software standby mode.

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