HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 387

• 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: -

RENESAS 370
Note:
Circled numbers refer to the preceding procedure.
Figure 13.5 Sample Flowchart for Transmitting Serial Data
Write transmit data in TDR and
as an output port with the PFC
clear TDRE bit to 0 in SSR
Select theTxD pin function
Clear TE bit of SCR to 0;
Read TDRE bit in SSR
Read TEND bit in SSR
Output break signal?
All data transmitted?
Transmission ends
Start transmitting
TDRE = 1?
TEND = 1?
Set DR = 0
Initialize
Yes
Yes
Yes
Yes
(3)
(4)
No
No
No
No
(1)
(2)