UPD70F3451GC-UBT-A Renesas Electronics America, UPD70F3451GC-UBT-A Datasheet - Page 797

• Manufacturer Part Number: UPD70F3451GC-UBT-A
• Description: MCU 32BIT 128KB FLASH 80LQFP
• Manufacturer: Renesas Electronics America
• Series: V850E/Ix3r

Specifications of UPD70F3451GC-UBT-A

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 64MHz
• Connectivity: CSI, I²C, UART/USART
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 44
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3.5 V ~ 5.5 V
• Data Converters: A/D 10x12b, 4x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

(3) Example of continuous transmission processing flow in single mode (DMA control)
Note In this control flow example, transmission of the first byte of the data is executed by a CPU write
Remark
Figure 15-14. Example of Continuous Transmission Processing Flow in Single Mode (DMA Control)
operation. Exercise care in setting the number of data for DMA transfer (DBCm register) and the
source address (DSAmH, DSAmL registers).
m = 0 to 3
Set UARTB/DMAC-related
DTFRm register = 28H
UBTXE = 1 (UBCTL0)
UBTXE = 0 (UBCTL0)
Write UBTX register
Emm = 1 (DCHCm)
DMA ended?
UBTSF = 0?
registers
(UBSTR)
START
END
CHAPTER 15 ASYNCHRONOUS SERIAL INTERFACE B (UARTB)
Yes
Yes
Note
User’s Manual U18279EJ3V0UD
No
No
: Assign DMA transfer destination
: Enable DMA transfer
: Enable transmission
: Write transmit data
: DMA transfer ended?
: Transmission ended?
: Disable transmission
(in the case of INTUBTIT) and clear DFm bit
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