UPD70F3769GF-GAT-AX Renesas Electronics America, UPD70F3769GF-GAT-AX Datasheet - Page 1077
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UPD70F3769GF-GAT-AX
Manufacturer Part Number
UPD70F3769GF-GAT-AX
Description
MCU 32BIT V850ES/JX3-U 128-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3-Ur
Datasheet
1.UPD70F3763GC-UEU-AX.pdf
(1411 pages)
Specifications of UPD70F3769GF-GAT-AX
Core Processor
RISC
Core Size
32-Bit
Speed
48MHz
Connectivity
CSI, EBI/EMI, I²C, UART/USART, USB
Peripherals
DMA, LVD, PWM, WDT
Number Of I /o
96
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
56K 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
-
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Part Number:
UPD70F3769GF-GAT-AX
Manufacturer:
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V850ES/JG3-U, V850ES/JH3-U
20.9.7 Transmitting data for bulk transfer (IN) in DMA mode
controlled when DMA is used. Endpoint3 can also be controlled in the same sequence. To use this flowchart as the
control flow of Endpoint3, therefore, read the bit names of Endpoint1 in the flowchart as those of Endpoint3.
signal for Endpoint1, instead of an interrupt request (INTUSBF0), becomes active. This DMA request signal for Endpoint1
operates according to the setting of the MODEn bit of the UF0IDR register (n = 0, 1). If all the data that can be written to
the UF0BI1 register has been written by DMA, the DMA request signal for Endpoint1 becomes inactive. In this status, the
toggle operation of the FIFO takes place and, if data for bulk transfer (IN) can be written, the DMA request signal for
Endpoint1 becomes active again. The automatic toggle operation of the FIFO is not executed even if the FIFO has
become full as a result of DMA transfer, unless the BKI1T bit of the UF0DEND register is set to 1. Therefore, be sure to
set the BKI1DED bit of the UF0DEND register to 1 to transfer data. If DMA is completed by the DMA end signal for
Endpoint1, the DQBI1MS bit of the UF0IDR register is cleared to 0, and the DMA request signal for Endpoint1 becomes
inactive. At the same time, the DMA_END interrupt request is issued. To transmit a short packet at this time when the
FIFO is not full, set the BKI1DED bit of the UF0DEND register to 1.
R01UH0043EJ0300 Rev.3.00
Sep 30, 2010
Bulk transfer (IN) is allocated to Endpoint1 and Endpoint3. The flowchart shown below illustrates how Endpoint1 is
If data for bulk transfer (IN) can be written by setting the DQBI1MS bit of the UF0IDR register to 1, the DMA request
Caution The DMA request signal for Endpoint n (n = 1, 3) becomes active in the demand mode (MODE1 and
(1) Initial settings for a bulk transfer (IN: EP1, EP3)
(a) Initial settings for DMAC
(b) Initial settings for EPC
- The DDAn registers (n = 0 to 3) are set to 00201000H (for EP1) or 00202000H (for EP3).
- The DADCn registers (n = 0 to 3) are set to 0020H.
- The DTFRn registers (n = 0 to 3) are set to 0000H.
- The UFDRQEN register is set up according to the DMA channel to be used.
- The UF0IDR register is set to 42H (for EP1) or 82H (for EP3) (demand mode).
- The UF0IM0.DMAEDM bit = 0
- The UF0IM2.BKI1NLM bit = 0 (for EP1)
- The UF0IM2.BKI1DTM bit = 0 (for EP1)
- The UF0IM2.BKI2NLM bit = 0 (for EP3)
- The UF0IM2.BKI2DTM bit = 0 (for EP3)
(8-bit transfer, transfer source address: incremental, transfer destination address: fixed)
(For details, see 20.6.10 (1) USBF DMA request enable register (UFDRQEN).)
MODE0 bits of the UF0IDR register = 10), as long as data can be transferred.
CHAPTER 20 USB FUNCTION CONTROLLER (USBF)
Page 1077 of 1408
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