Renesas H8S/2158 User Manual page 275

• P31/WUE9/MCCMD/MCTxD
The pin function is switched as shown below according to the combination of the MCIF
operating mode and the P31DDR bit.
When the WUEM9 bit in WUEMR3 of the interrupt controller is cleared to 0, this pin can be
used as the WUE9 input pin. To use this pin as the WUE9 input pin, clear the P31DDR bit to
0.
MCIF MCIF disable (MMCPE in IOMCR is 0)
operating
mode
P31DDR
Pin function P31 input pin
• P30/WUE8/MCCLK
The pin function is switched as shown below according to the combination of the MCIF
operating mode and the P30DDR bit.
When the WUEM8 bit in WUEMR3 of the interrupt controller is cleared to 0, this pin can be
used as the WUE8 input pin. To use this pin as the WUE8 input pin, clear the P30DDR bit to
0.
MCIF MCIF disable (MMCPE in IOMCR is 0)
operating
mode
P30DDR
Pin function P30 input pin
or
MMCS in PTCNT0 is 1
0 1
P31 output pin
or
MMCS in PTCNT0 is 1
0 1
P30 output pin
MCIF enable (MMCPE in IOMCR is 1)
MMCS in PTCNT0 is 0
MMC mode
(SPI in MODER
is 0)
—
MCCMD
input/output pin
WUE9 input pin
MCIF enable (MMCPE in IOMCR is 1)
MMCS in PTCNT0 is 0
MCCLK output pin
WUE8 input pin
Rev. 3.00 Jan 25, 2006 page 221 of 872
Section 9 I/O Ports
SPI mode
(SPI in MODER
is 1)
—
MCTxD output pin
—
REJ09B0286-0300