HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 304

• Manufacturer Part Number: HD6477021X20V
• Description: MCU 5V 32K PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7020r

Specifications of HD6477021X20V

• 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 Size: 32KB (32K x 8)
• Program Memory Type: OTP
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

10.6.2
If an increment pulse occurs in the T3 state of a TCNT word write cycle, writing takes priority and
the TCNT is not incremented. The timing is shown in figure 10.59.
286 RENESAS
Contention between TCNT Word Write and Increment
Figure 10.59 Contention between TCNT Word Write and Increment
Internal write signal
TCNT input clock
Address
TCNT
CK
TCNT word write cycle by CPU
T1
TCNT address
N
TCNT write data
T2
T3
M