Datasheet

Table Of Contents
Section 9 I/O Ports
REJ09B0140-0900 Rev. 9.00 Page 263 of 846
Sep 16, 2010
H8S/2215 Group
9.8.6 Port C Input Pull-Up MOS Function
Port C has a built-in input pull-up MOS function that can be controlled by software. Input pull-up
MOS can be used in modes 6 and 7, and can be specified as on or off for individual bits.
Table 9.44 summarizes the input pull-up MOS states.
Table 9.44 Input Pull-Up MOS States (Port C)
Pins
Power-On
Reset
Hardware
Standby
Mode
Manual
Reset
Software
Standby
Mode
In Other
Operations
Address output (modes 4
and 5), port output
(modes 6 and 7)
OFF OFF
Port input (modes 6 and
7)
ON/OFF
Legend:
OFF: Input pull-up MOS is always off.
ON/OFF: On when PCDDR = 0 and PCPCR = 1; otherwise off.
9.9 Port D
Port D is an 8-bit I/O port that also has data bus (D15 to D8) I/O. The port D has the following
registers.
Port D data direction register (PDDDR)
Port D data register (PDDR)
Port D register (PORTD)
Port D Pull-up MOS control register (PDPCR)