H8SX1648 Datasheet, PDF (657/1472 Pages) Renesas Technology Corp – Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series

Section 13 I/O Ports
13.2.3 Port 3
(1) P37/PO15/TIOCA2/TIOCB2/TCLKD-A/EDRAK3*
The pin function is switched as shown below according to the combination of the EXDMAC*,
TPU and PPG register settings and P37DDR bit setting.
Setting
EXDMAC*
TPU
PPG
I/O Port
Module Name Pin Function EDRAK3 _OE* TIOCB2_OE PO15_OE P37DDR
EXDMAC*
EDRAK3 output* 1
—
—
—
TPU
TIOCB2 output 0
1
—
—
PPG
PO15 output
0
0
1
—
I/O port
P37 output
0
0
0
1
P37 input
0
(initial setting)
0
0
0
Note: * Supported only by the H8SX/1648G Group and H8SX/1648H Group.
(2) P36/PO14/TIOCA2/ EDRAK2*
The pin function is switched as shown below according to the combination of the EXDMAC*,
TPU and PPG register settings and P36DDR bit setting.
Setting
EXDMAC*
TPU
PPG
I/O Port
Module Name Pin Function EDRAK2 _OE* TIOCA2_OE PO14_OE P36DDR
EXDMAC*
EDRAK2 output* 1
—
—
—
TPU
TIOCA2 output 0
1
—
—
PPG
PO14 output
0
0
1
—
I/O port
P36 output
0
0
0
1
P36 input
0
(initial setting)
0
0
0
Note: * Supported only by the H8SX/1648G Group and H8SX/1648H Group.
Rev. 2.00 Jul. 31, 2008 Page 627 of 1438
REJ09B0365-0200