UPD70F3785GJ-GAE-AX Renesas Electronics America, UPD70F3785GJ-GAE-AX Datasheet - Page 786

• Manufacturer Part Number: UPD70F3785GJ-GAE-AX
• Description: MCU 32BIT V850ES/JX3-E 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Jx3-Er

Specifications of UPD70F3785GJ-GAE-AX

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: CSI, EBI/EMI, Ethernet, I²C, UART/USART, USB
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 100
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 124K x 8
• Voltage - Supply (vcc/vdd): 2.85 V ~ 3.6 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

784
(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 16-15. 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).
Set UARTBn/DMAC-related
m = 0 to 3
n = 0, 1
UBnTXE = 1 (UBnCTL0)
UBnTXE = 0 (UBnCTL0)
DTFRm register = 28H
Write UBnTX register
Emm = 1 (DCHCm)
CHAPTER 16 ASYNCHRONOUS SERIAL INTERFACE B WITH FIFO (UARTBn)
UBnTSF = 0?
DMA ended?
registers
(UBnSTR)
START
END
Yes
Yes
Note
No
No
User’s Manual U19601EJ2V0UD
: Assign DMA transfer destination
: Enable DMA transfer
: Enable transmission
: Write transmit data
: DMA transfer ended?
: Transmission ended?
: Disable transmission
(in the case of INTUBnTIT) and clear DFm bit