HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 398

• 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: -

Figure 13.12 Sample Flowchart for Receiving Multiprocessor Serial Data
No
No
No
Read the receive data of the RDR
Set the MPIE bit of the SCR to 1
Clear the RE bit of the SCR to 0
Read the RDRF bit of the SSR
Read the RDR's receive data
Read the ORER and FER
Read the ORER and FER
Read the SSR's RDRF bit
FER = 1? or ORER = 1?
FER = 1? or ORER = 1?
Total count received?
Reception ends
bits of the SSR
bits of the SSR
Start receiving
Initialization
RDRF = 1?
RDRF = 1?
Yes
Own ID?
Yes
Yes
Yes
No
No
Yes
(3)
Yes
(5)
(1)
(2)
No
Error handling
(4)
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