R0K572115S000BE Renesas Electronics America, R0K572115S000BE Datasheet - Page 1031

• Manufacturer Part Number: R0K572115S000BE
• Description: KIT STARTER FOR SH7211
• Manufacturer: Renesas Electronics America
• Series: Renesas Starter Kits (RSK)r
• Type: Microcontrollerr

Specifications of R0K572115S000BE

• Contents: CPU Board, LCD Display Module, E8 Emulator, Cable, QuickStart Guide and CD-ROM
• For Use With/related Products: SH7211
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

23.4
23.4.1
(1)
Executing the SLEEP instruction when the STBY bit in STBCR is 0 causes a transition from the
program execution state to sleep mode. Although the CPU halts immediately after executing the
SLEEP instruction, the contents of its internal registers remain unchanged. The on-chip modules
continue to run in sleep mode. Clock pulses are output continuously on the CK pin.
(2)
Sleep mode is canceled by an interrupt (NMI, IRQ, and on-chip peripheral module), DMA address
error, or reset (manual reset or power-on reset).
• Canceling with an interrupt
• Canceling with a DMA address error
• Canceling with a reset
23.4.2
(1)
The LSI switches from a program execution state to software standby mode by executing the
SLEEP instruction when the STBY bit in STBCR is 1. In software standby mode, not only the
CPU but also the clock and on-chip peripheral modules halt. The clock output from the CK pin
also halts.
The contents of the CPU remain unchanged. Some registers of on-chip peripheral modules are,
however, initialized. Table 23.4 shows the states of peripheral module registers in software
standby mode.
When an NMI, IRQ, or on-chip peripheral module interrupt occurs, sleep mode is canceled and
interrupt exception handling is executed. When the priority level of the generated interrupt is
equal to or lower than the interrupt mask level that is set in the status register (SR) of the CPU,
or the interrupt by the on-chip peripheral module is disabled on the module side, the interrupt
request is not accepted and sleep mode is not canceled.
When a DMA address error occurs, sleep mode is canceled and DMA address error exception
handling is executed.
Sleep mode is canceled by a power-on reset or a manual reset.
Transition to Sleep Mode
Canceling Sleep Mode
Transition to Software Standby Mode
Operation
Sleep Mode
Software Standby Mode
Rev. 3.00 Mar. 04, 2009 Page 1005 of 1168
REJ09B0344-0300