HD6417020SX20IV Renesas Electronics America, HD6417020SX20IV Datasheet - Page 346

• Manufacturer Part Number: HD6417020SX20IV
• Description: SH 1 CORE 32B MPU, 20MHZ/5V, 100
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7020r

Specifications of HD6417020SX20IV

• Core Processor: SH-1
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: EBI/EMI, SCI
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

12.1.2
Figure 12.1 is the block diagram of the WDT.
12.1.3
Table 12.1 shows the pin configuration.
RENESAS 328
TCSR: Timer control/status register
TCNT: Timer counter
RSTCSR: Reset control/status register
Note:
reset signal*
WDTOVF
(interrupt
Internal
Block Diagram
signal)
Pin Configuration
The internal reset signal can be generated by setting the register. The type of reset can
be selected (power-on or manual resets).
ITI
RSTCSR
Interrupt
control
control
Reset
Figure 12.1 WDT Block Diagram
Overflow
Module bus
TCNT
Clock
WDT
select
Clock
TCSR
clock sources
Internal
interface
Bus
/2
/64
/128
/256
/512
/1024
/4096
/8192