UPD70F3771GF-GAT-AX Renesas Electronics America, UPD70F3771GF-GAT-AX Datasheet - Page 1190
UPD70F3771GF-GAT-AX
Manufacturer Part Number
UPD70F3771GF-GAT-AX
Description
MCU 32BIT V850ES/JX3-H 128-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3-Hr
Datasheet
1.UPD70F3760GC-UEU-AX.pdf
(1512 pages)
Specifications of UPD70F3771GF-GAT-AX
Core Processor
RISC
Core Size
32-Bit
Speed
48MHz
Connectivity
CAN, CSI, EBI/EMI, I²C, UART/USART, USB
Peripherals
DMA, LVD, PWM, WDT
Number Of I /o
96
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
40K x 8
Voltage - Supply (vcc/vdd)
2.85 V ~ 3.6 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD70F3771GF-GAT-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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V850ES/JG3-H, V850ES/JH3-H
21.9.3 USB main processing
R01UH0042EJ0400 Rev.4.00
Sep 30, 2010
USB main processing involves processing USB transactions. The types of transactions to be processed are as follows.
• Fully automatically processed request for control transfer
• Automatically processed requests for control transfer
• CPUDEC request for control transfer
• Processing for bulk transfer (IN)
• Processing for bulk transfer (OUT)
• Processing for interrupt transfer (IN)
Processing for endpoint n involves writing or reading for data transfer. The flowchart shown below is for PIO.
(1) Fully automatically processed request for control transfer
(2) Automatically processed requests for control transfer
(SET_CONFIGURATION, SET_INTERFACE, SET_FEATURE, CLEAR_FEATURE)
Because the fully automatically processed request for control transfer is executed by hardware, it cannot be
referenced by FW. Therefore, FW does not have to perform any special processing for this request.
(SET_CONFIGURATION, SET_INTERFACE, SET_FEATURE, CLEAR_FEATURE)
Processing to write a register for automatically processed requests for control transfer, such as
SET_CONFIGURATION, SET_INTERFACE, SET_FEATURE, and CLEAR_FEATURE requests, is automatically
executed by hardware, but an interrupt request is issued for recognition on the device side. This processing may be
ignored if there is no special processing to be executed.
The flowcharts are shown below.
CHAPTER 21 USB FUNCTION CONTROLLER (USBF)
Page 1190 of 1509
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