HD6417020SVX12I Renesas Electronics America, HD6417020SVX12I Datasheet - Page 301

• Manufacturer Part Number: HD6417020SVX12I
• Description: IC SUPERH MPU ROMLESS 100TQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7020r

Specifications of HD6417020SVX12I

• Core Processor: SH-1
• Core Size: 32-Bit
• Speed: 12.5MHz
• 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): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

CK
TCNT
H' FFFF
H' 0000
Overflow
signal
OVF
OVI
Figure 10.56 Timing of Setting OVF
10.5.2
Clear Timing of Status Flags
The status flags are cleared by a write cycle in which 1 is read on the CPU and then 0 is written to
it. This timing is shown in figure 10.57.
TSR write cycle
T1
T2
T3
CK
TSR address
Address
IMF, OVF
Figure 10.57 Timing of Status Flag Clearing
RENESAS 283