D6417729RHF200BV Renesas Electronics America, D6417729RHF200BV Datasheet - Page 308

• Manufacturer Part Number: D6417729RHF200BV
• Description: IC SUPER H MPU ROMLESS 208QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7700r

Specifications of D6417729RHF200BV

• Core Processor: SH-3 DSP
• Core Size: 32-Bit
• Speed: 200MHz
• Connectivity: EBI/EMI, FIFO, IrDA, SCI, SmartCard
• Peripherals: DMA, POR, WDT
• Number Of I /o: 96
• Program Memory Type: ROMless
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.85 V ~ 2.15 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 208-QFP Exposed Pad, 208-eQFP, 208-HQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

10.6
10.6.1
Figure 10.2 shows a block diagram of the WDT.
10.6.2
The WDT has two registers that select the clock, switch the timer mode, and perform other
functions. Table 10.5 shows the WDT registers.
Rev. 5.0, 09/03, page 260 of 806
Bits STC2 to STC0 are not changed.
The clock ratio is other than I :B = 1:1.
cancellation
Legend
WTCSR:
WTCNT:
Overview of WDT
Block Diagram of WDT
Interrupt
Register Configuration
Standby
Internal
request
request
reset
Watchdog timer control/status register
Watchdog timer counter
Interrupt
Standby
control
control
control
Reset
Figure 10.2 Block Diagram of WDT
WTCSR
Clock selection
Overflow
Bus interface
WDT
WTCNT
Clock selector
Divider
Clock
Internal bus
Standby
mode
Peripheral
clock