h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 266

• Manufacturer Part Number: h8s-2649
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 9 I/O Ports
9.15.2
PKDR stores output data for the port K pins.
9.15.3
PORTK shows the pin states. It cannot be modified.
Note:
9.15.4
The correspondence between the register specification and the pin functions is shown below.
Note:
Rev. 2.00 Dec. 05, 2005 Page 228 of 724
REJ09B0200-0200
Bit
7
6
5 to 0
Bit
7
6
5 to 0
PKFE*
PKDDR
Pin Function
*
*
Port K Data Register (PKDR)
Port K Register (PORTK)
Pin Functions
Bit Name
PK7DR
PK6DR

Bit Name
PK7
PK6

Determined by state of pins PK7 and PK6.
The PKFE bit supports only HCAN_1.
Initial
Value
0
0
Undefined 
Initial
Value
*
*
Undefined 
1

HRxD1, HTxD1
R/W
R/W
R/W
R/W
R
R
Description
An output data for a pin is stored when the pin function
is specified to a general purpose output port.
Reserved
Description
If this register read is performed while PKDDR bits are
set to 1, the PKDR values are read. If this register read
is performed while PKDDR bits are cleared to 0, the pin
states are read.
Reserved
PK7 and PK6 input
0
0
1
PK7 and PK6 output