HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 311

• 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: -

10.6.10 Contention Between BR Write and Input Capture
When a buffer register (BR) is being used as an input capture register and an input capture signal
is generated in the T3 state of the write cycle, the buffer operation takes priority over the BR write.
The timing is shown in figure 10.66.
Figure 10.66 Contention between BR Write and Input Capture
Input capture
write signal
Address
Internal
signal
GR
CK
BR
T1
BR write cycle
M
N
BR address
T2
T3
TCNT value
X
N
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