UPD70F3786GJ-GAE-AX Renesas Electronics America, UPD70F3786GJ-GAE-AX Datasheet - Page 1522

• Manufacturer Part Number: UPD70F3786GJ-GAE-AX
• Description: MCU 32BIT V850ES/JX3-E 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Jx3-Er

Specifications of UPD70F3786GJ-GAE-AX

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: CAN, 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: -

1520
Here is an example of reception procedure.
address and enabling reception
<9> Reading status check data
Setting receive descriptor
and releasing data buffer
<2> Preparing receive
Figure 23-28. Example of Ethernet Transmission Procedure
buffer descriptor
Initialization
Interrupt
CPU
CHAPTER 23 ETHERNET CONTROLLER
User’s Manual U19601EJ2V0UD
Memory
Memory
Memory
No
<7> Writing reception status and
<8> Interrupt request generated
<5 > Transferring receive data
<3> Setting receive buffer
<6> Using next descriptor
reading next descriptor
descriptor register and
(reception completed)
<4> Reading receive
<6> Data buffer full?
Ethernet controller
enabling reception
<1> Initialization
buffer descriptor
Yes