HD6417706F133 Renesas Electronics America, HD6417706F133 Datasheet - Page 625

• Manufacturer Part Number: HD6417706F133
• Description: IC SUPERH MPU ROMLESS 176LQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7700r

Specifications of HD6417706F133

• Core Processor: SH-3
• Core Size: 32-Bit
• Speed: 133MHz
• Connectivity: EBI/EMI, FIFO, SCI, SmartCard
• Peripherals: DMA, POR, WDT
• Number Of I /o: 103
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.75 V ~ 2.05 V
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 176-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Canceling with an Interrupt: The on-chip WDT can be used for hot starts. When the chip detects
an NMI, IRL *
clock will be supplied to the entire chip and software standby mode canceled after the time set in
the WDT's timer control/status register has elapsed. The STATUS1 and STATUS0 pins both go
low. Interrupt processing then begins and a code indicating the interrupt source is set in the
INTEVT and INTEVT2 registers. After branching to the interrupt processing routine occurs, clear
the STBY bit in the STBCR register. The WTCNT stops automatically. If the STBY bit is not
cleared, WTCNT continues operation and transits to the standby mode *
This function prevents the data from being destroyed due to a rising voltage under an unstable
power supply. Interrupts are accepted during software standby mode even when the BL bit in the
SR register is 1. If necessary, save SPC and SSR in the stack before executing the SLEEP
instruction. Immediately after an interrupt is detected, the phase of the clock output of the CKIO
pin may be unstable, until the processor starts interrupt processing. (The canceling condition is
that the IRL3 to IRL0 level is higher than the mask level in the I3 to I0 bits in the SR register.)
Notes: 1. Software Standby mode can be canceled using IRL3 to IRL0 or IRQ4 to IRQ0.
Canceling with a Reset: Standby mode can be canceled with a reset (power-on or manual). Keep
the RESETP pin and RESETM pin low until the clock oscillation settles.
2. Software standby mode can be canceled with an RTC or TMU (only when running on
3. Standby mode should be canceled by power-on resets. Operations at manual resets or
the RTC clock) interrupt.
during interrupt input are not guaranted.
WTCNT value
H'FF
H'80
Figure 22.1 Canceling Software Standby Mode with STBCR.STBY
1
, IRQ *
1
, or on-chip supporting module (except the interval timer) *
Interrupt
request
Crystal oscillator settling
time and PLL synchronization
time
Rev. 5.00 May 29, 2006 page 575 of 698
WDT overflow and branch to
interrupt handling routine
Clear bit STBCR.STBY before
WTCNT reaches H'80. When
STBCR.STBY is cleared, WTCNT
halts automatically.
Section 22 Power-Down Modes
3
when it reaches H'80.
REJ09B0146-0500
Time
2
interrupt, the