HD6417144 RENESAS [Renesas Technology Corp], HD6417144 Datasheet - Page 769

• Manufacturer Part Number: HD6417144
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

24.2.3
MSTCR, comprising two 16-bit readable/writable registers, performs module standby mode
control. Setting a bit to 1, the corresponding module enters module standby mode, while clearing
the bit to 0 clears the module standby mode.
• MSTCR1
Bit
15 to 12 —
11
10
9
8
7, 6
5
4
3
2
1
0
Bit Name Initial Value
MSTP27 0
MSTP26 0
MSTP25 0
MSTP24 0
—
MSTP21 1
—
MSTP19 1
MSTP18 1
MSTP17 1
MSTP16 1
Module Standby Control Register 1 and 2 (MSTCR1 and MSTCR2)
All 1
All 0
1
R/W
R
R/W
R/W
R/W
R/W
R
R/W
R
R/W
R/W
R/W
R/W
Description
Reserved
These bits are always read as 1, and should always
be written with 1.
On-chip RAM
On-chip ROM
Data transfer controller (DTC)
Direct Memory Access Controller (DMAC)
Set the identical value to MSTP25 and MSTP24,
respectively. When setting module standby, write
b'11, while clearing, write b'00.
Reserved
These bits are always read as 0, and should always
be written with 0.
I
Reserved
These bits are always read as 1, and should always
be written with 1.
Serial communication interface 3 (SCI_3)
Serial communication interface 2 (SCI_2)
Serial communication interface 1 (SCI_1)
Serial communication interface 0 (SCI_0)
2
C bus interface (IIC)
Rev.4.00 Mar. 27, 2008 Page 725 of 882
24. Power-Down Modes
REJ09B0108-0400