Peripheral Module Pin High Impedance Control; Peripheral Module Pin Pull-Up Control - Hitachi SH7751 Hardware Manual

Bit 0: MSTP0
0
1
9.2.2

Peripheral Module Pin High Impedance Control

When bit 6 in the standby control register (STBCR) is set to 1, peripheral module related pins go
to the high-impedance state in standby mode.


Relevant Pins
SCI related pins
DMA related pins


Other Information
The setting in this register is invalid when the above pins are used as port output pins.
For details of pin states, see Appendix D, Pin Functions.
9.2.3

Peripheral Module Pin Pull-Up Control

When bit 5 in the standby control register (STBCR) is cleared to 0, peripheral module related pins
are pulled up when in the input or high-impedance state.


Relevant Pins
SCI related pins
DMA related pins
TMU related pin
Rev. 3.0, 04/02, page 220 of 1064
Description
SCI operates
SCI clock supply is stopped
SCK
TXD


MD7/
DACK0
DACK1
MD0/SCK2


MD7/
RXD


TCLK
MD0/SCK2
MD1/TXD2


MD8/
DRAK0
DRAK1
MD1/TXD2


MD8/
TXD
DACK0
DACK1
(Initial value)
MD2/RXD2
SCK
DRAK0
DRAK1