DS72030W200FPV Renesas Electronics America, DS72030W200FPV Datasheet - Page 1457
DS72030W200FPV
Manufacturer Part Number
DS72030W200FPV
Description
MPU, 32BIT, SH7203, ROMLESS, 240QFP
Manufacturer
Renesas Electronics America
Series
SH7200r
Datasheet
1.R5S72030W200FP.pdf
(1686 pages)
Specifications of DS72030W200FPV
Core Size
32bit
Program Memory Size
32KB
Cpu Speed
200MHz
Digital Ic Case Style
QFP
No. Of Pins
240
Supply Voltage Range
1.1V To 1.3V
Operating Temperature Range
-20°C To +85°C
Svhc
No SVHC
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Software standby mode is canceled by interrupts (NMI or IRQ) or a reset (manual reset or power-
on reset). In clock modes 0, 1 and 3, clock signal starts to be output from the CKIO pin.
• Canceling by an interrupt
• Canceling by a reset
When the falling edge or rising edge of the NMI pin (selected by the NMI edge select bit
(NMIE) in interrupt control register 0 (ICR0) of the interrupt controller (INTC)) or the falling
edge or rising edge of an IRQ pin (IRQ7 to IRQ0) (selected by the IRQn sense select bits
(IRQn1S and IRQn0S) in interrupt control register 1 (ICR1) of the interrupt controller (INTC))
is detected, clock oscillation is started. This clock pulse is supplied only to the oscillation
settling counter (WDT) used to count the oscillation settling time.
After the elapse of the time set in the clock select bits (CKS[2:0]) in the watchdog timer
control/status register (WTCSR) of the WDT before the transition to software standby mode,
the WDT overflow occurs. Since this overflow indicates that the clock has been stabilized, the
clock pulse will be supplied to the entire chip after this overflow. Software standby mode is
thus cleared and NMI interrupt exception handling (IRQ interrupt exception handling in case
of IRRQ) is started. If the priority level of the generated interrupt is equal to or lower than the
interrupt mask level specified in the status register (SR) of the CPU, the interrupt request is not
accepted and software standby mode is not canceled.
When canceling software standby mode by the NMI interrupt or IRQ interrupt, set the
CKS[2:0] bits so that the WDT overflow period will be equal to or longer than the oscillation
settling time.
The clock output phase of the CKIO pin may be unstable immediately after detecting an
interrupt and until software standby mode is canceled. When software standby mode is
canceled by the falling edge of the NMI pin, the NMI pin should be high when the CPU enters
software standby mode (when the clock pulse stops) and should be low when software standby
mode is canceled (when the clock is initiated after oscillation settling). When software standby
mode is canceled by the rising edge of the NMI pin, the NMI pin should be low when the CPU
enters software standby mode (when the clock pulse stops) and should be high when software
standby mode is canceled (when the clock is initiated after oscillation settling). (The same
applies to the IRQ pin.)
When the RES pin is driven low, software standby mode is canceled and the LSI enters the
power-on reset state. After that, if the RES pin is driven high, the power-on reset exception
handling is started.
When the MRES pin is driven low, software standby mode is canceled and the LSI enters the
manual reset state. After that, if the MRES pin is driven high, the manual reset exception
handling is started.
Canceling Software Standby Mode
Rev. 3.00 Sep. 28, 2009 Page 1425 of 1650
Section 28 Power-Down Modes
REJ09B0313-0300
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