UPD70F3786GJ-GAE-AX Renesas Electronics America, UPD70F3786GJ-GAE-AX Datasheet - Page 1490
UPD70F3786GJ-GAE-AX
Manufacturer Part Number
UPD70F3786GJ-GAE-AX
Description
MCU 32BIT V850ES/JX3-E 144-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3-Er
Datasheet
1.UPD70F3778GF-GAT-AX.pdf
(1817 pages)
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD70F3786GJ-GAE-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
UPD70F3786GJ-GAE-AX
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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(a) When a frame is received, data is stored in the receive FIFO.
(b) When the amount of data in the receive FIFO exceeds the value indicated by FLOWTHR, a pause control frame is transmitted.
(c) The data in the receive FIFO is read by DMA.
(d) When the amount of data in the receive FIFO falls below the value indicated by ZPTHR, a zero pause control frame is transmitted.
1488
Remark The shaded part of the receive FIFO in the above figures indicates the quantity of the data in the
receive FIFO. If does not indicate how data is actually stored.
DMAC
DMAC
DMAC
DMAC
ZPTHR
ZPTHR
ZPTHR
ZPTHR
CHAPTER 23 ETHERNET CONTROLLER
Receive FIFO
Receive FIFO
Receive FIFO
Receive FIFO
Figure 23-10. Flow Control
User’s Manual U19601EJ2V0UD
Zero pause control
FLOWTHR
FLOWTHR
FLOWTHR
FLOWTHR
frame request
Pause control
frame request
MAC
MAC
MAC
MAC
The other terminal that has received the
zero pause control frame stops pausing
at that point and transmits the next frame.
During this operation, the other terminal
defers transmission of the next frame
until the pause period has elapsed.
Frame reception
Pause control
frame reception
Frame reception
Zero pause control
frame reception
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