3069RF-ZTAT Datasheet, PDF (722/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

Bit 1—Module Standby H1 (MSTPH1): Selects whether to place the SCI1 in standby.
Bit 1
MSTPH1
0
1
Description
SCI1 operates normally
SCI1 is in standby state
(Initial value)
Bit 0—Module Standby H0 (MSTPH0): Selects whether to place the SCI0 in standby.
Bit 0
MSTPH0
0
1
Description
SCI0 operates normally
SCI0 is in standby state
(Initial value)
20.2.3 Module Standby Control Register L (MSTCRL)
MSTCRL is an 8-bit readable/writable register that controls the module standby function, which
places individual on-chip supporting modules in the standby state. Module standby can be
designated for the DMAC, 16-bit timer, DRAM interface, 8-bit timer, and A/D converter modules.
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
MSTPL7 — MSTPL5 MSTPL4 MSTPL3 MSTPL2 — MSTPL0
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reserved bits
Module standby L7, L5 to L2, L0
These bits select modules to be
placed in standby
MSTCRL is initialized to H'00 by a reset and in hardware standby mode. It is not initialized in
software standby mode.
Bit 7—Module Standby L7 (MSTPL7): Selects whether to place the DMAC in standby.
Bit 7
MSTPL7
0
1
Description
DMAC operates normally
DMAC is in standby state
(Initial value)
Rev. 5.0, 09/04, page 700 of 978