UPD70F3714GC-8BS-A Renesas Electronics America, UPD70F3714GC-8BS-A Datasheet - Page 488

• Manufacturer Part Number: UPD70F3714GC-8BS-A
• Description: MCU 32BIT V850ES/LX2 64-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Ix2r

Specifications of UPD70F3714GC-8BS-A

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: CSI, UART/USART
• Peripherals: LVD, PWM, WDT
• Number Of I /o: 39
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 6K x 8
• Voltage - Supply (vcc/vdd): 3.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

12.5.3 Continuous transmission procedure
shift operation. The transmit timing of the UARTAn transmit shift register can be judged from the transmission enable
interrupt request signal (INTUAnT).
transfer.
486
UARTAn can write the next transmit data to the UAnTX register when the UARTAn transmit shift register starts the
An efficient communication rate is realized by writing the data to be transmitted next to the UAnTX register during
Caution During continuous transmission execution, perform initialization after checking that the
Remark
UAnSTR.UAnTSF bit is 0.
performed while the UAnTSF bit is 1.
n = 0, 1
CHAPTER 12 ASYNCHRONOUS SERIAL INTERFACE A (UARTA)
Figure 12-4. Continuous Transmission Processing Flow
Occurrence of transmission
Required number of
writes performed?
Register settings
The transmit data cannot be guaranteed when initialization is
User’s Manual U17716EJ2V0UD
UAnTX write
interrupt?
Start
End
Yes
Yes
No
No