Section 8 I/O Ports
Rev. 3.00 Mar. 14, 2006 Page 216 of 804
REJ09B0104-0300
8.2
Output Buffer Control
This section describes the output priority of each pin.
The name of each peripheral module pin is followed by "_OE". This (for example: MIOCA4_OE)
indicates whether the output of the corresponding function is valid (1) or if another setting is
specified (0). Table 8.4 lists each port output signal's valid setting. For details on the
corresponding output signals, see the register description of each peripheral module. If the name
of each peripheral module pin is followed by A or B, the pin function can be modified by the port
function control register (PFCR). For details, see section 8.3.3, Port Function Control Register B
(PFCRB).
8.2.1 Port
1
(1)
P17/ADTRG1/IRQ7
The pin function is switched as shown below according to the P17DDR bit setting.
Setting
I/O
Port
Module Name
Pin Function
P17DDR
I/O port
P17 output
1
P17 input (initial setting) 0
(2)
P16/SCK3/
IRQ6
The pin function is switched as shown below according to the combination of the SCI_3 and
P16DDR bit settings.
Setting
SCI_3
I/O
Port
Module Name
Pin Function
SCK3_OE
P16DDR
SCI_3 SCK3
output
1
I/O port
P16 output
0
1
P16 input (initial setting) 0
0
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