HD6417020SVX12I Renesas Electronics America, HD6417020SVX12I Datasheet - Page 307

• 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: -

10.6.5
If an overflow occurs in the T3 state of a TCNT write cycle, writing takes priority over counter
incrementing. The OVF is set to 1. The same applies to underflows. This timing is shown in figure
10.62.
Contention between TCNT Write and Overflow/Underflow
Figure 10.62 Contention between TCNT Write and Overflow
write signal
input clock
Overflow
Address
Internal
TCNT
TCNT
signal
OVF
CK
T1
H'FFFF
TCNT write cycle
TCNT address
T2
TCNT write data
T3
M
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