RX610 Group
8. Low Power Consumption
R01UH0032EJ0120 Rev.1.20
Page 177 of 1006
Feb 20, 2013
Bit
Symbol
Bit Name
Description
R/W
b15
MSTPA15
Compare Match Timer 0 (Unit 0)
Module Stop
Target module: CMT unit 0 (CMT0, CMT1)
0: The module stop state is canceled
1: Transition to the module stop state is made
R/W
b18 to b16
Reserved
These bits are always read as 1. The write
value should always be 1.
R/W
b19
MSTPA19
D/A Converter Module Stop
Target module: DA
0: The module stop state is canceled
1: Transition to the module stop state is made
R/W
b20
MSTPA20
A/D Converter (Unit 3) Module Stop
Target module: AD3
0: The module stop state is canceled
1: Transition to the module stop state is made
R/W
b21
MSTPA21
A/D Converter (Unit 2) Module Stop
Target module: AD2
0: The module stop state is canceled
1: Transition to the module stop state is made
R/W
b22
MSTPA22
A/D Converter (Unit 1) Module Stop
Target module: AD1
0: The module stop state is canceled
1: Transition to the module stop state is made
R/W
b23
MSTPA23
A/D Converter (Unit 0) Module Stop
Target module: AD0
0: The module stop state is canceled
1: Transition to the module stop state is made
R/W
b26 to b24
Reserved
These bits are always read as 1. The write
value should always be 1.
R/W
b27
MSTPA27
Data Transfer Controller Module Stop Target module: DTC
0: The module stop state is canceled
1: Transition to the module stop state is made
R/W
b28
MSTPA28
DMA Controller Module Stop
Target module: DMAC
0: The module stop state is canceled
1: Transition to the module stop state is made
R/W
b30, b29
Reserved
These bits are always read as 1. The write
value should always be 1.
R/W
b31
ACSE
*1
All-Module Clock Stop Mode Enable
0: All-module clock stop mode is disabled
1: All-module clock stop mode is enabled
R/W
MSTPCRA is used to control the module stop state.
ACSE Bit (All-Module Clock Stop Mode Enable)
The ACSE bit enables or disables all-module clock stop mode for reducing supply current by stopping the bus controller
and I/O ports when the CPU executes the WAIT instruction after the module stop state has been specified for all
modules
*2
controlled by MSTPCRA and MSTPCRB.
Notes: 1. When the SBYCR.SSBY and MSTPCRA.ACSE bits are both 0, sleep mode is entered after WAIT instruction
execution.
2. Whether to stop the 8-bit timers or not can be selected by the MSTPA5 and MSTPA 4 bits.