HD6417706F133 Renesas Electronics America, HD6417706F133 Datasheet - Page 367

• 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: -

Bit
7
6
5
4
3
Bit Name
TME
WT/IT
RSTS
WOVF
IOVF
Initial Value R/W
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
Description
Timer Enable
Starts and stops timer operation. Clear this bit to 0
when using the WDT in software standby mode or
when changing the clock frequency.
0: Timer disabled: Count-up stops and WTCNT value
1: Timer enabled
Timer Mode Select
Selects whether to use the WDT as a watchdog timer
or an interval timer.
0: Use as interval timer
1: Use as watchdog timer
Note: If WT/IT is modified when the WDT is running,
Reset Select
Selects the type of reset when the WTCNT overflows
in watchdog timer mode. In interval timer mode, this
setting is ignored.
0: Power-on reset
1: Manual reset
Watchdog Timer Overflow
Indicates that the WTCNT has overflowed in
watchdog timer mode. This bit is not set in interval
timer mode.
0: No overflow
1: WTCNT has overflowed in watchdog timer mode
Interval Timer Overflow
Indicates that the WTCNT has overflowed in interval
timer mode. This bit is not set in watchdog timer
mode.
0: No overflow
1: WTCNT has overflowed in interval timer mode
is retained
the up-count may not be performed correctly.
Rev. 5.00 May 29, 2006 page 317 of 698
Section 11 Watchdog Timer (WDT)
REJ09B0146-0500