UPD70F3736GK-GAK-AX Renesas Electronics America, UPD70F3736GK-GAK-AX Datasheet - Page 629
UPD70F3736GK-GAK-AX
Manufacturer Part Number
UPD70F3736GK-GAK-AX
Description
MCU 32BIT V850ES/JX3-L 80-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3-Lr
Datasheet
1.UPD70F3736GK-GAK-AX.pdf
(830 pages)
Specifications of UPD70F3736GK-GAK-AX
Package / Case
*
Voltage - Supply (vcc/vdd)
2.2 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Speed
20MHz
Number Of I /o
66
Core Processor
RISC
Program Memory Type
FLASH
Ram Size
16K x 8
Program Memory Size
256KB (256K x 8)
Data Converters
A/D 8x10b, D/A 1x8b
Oscillator Type
Internal
Peripherals
DMA, LVD, PWM, WDT
Connectivity
CSI, EBI/EMI, I²C, UART/USART
Core Size
32-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number:
UPD70F3736GK-GAK-AX
Manufacturer:
Renesas Electronics America
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(8) Bus arbitration for CPU
(9) Registers/bits that must not be rewritten during DMA operation
(10) Be sure to set the following register bits to 0.
(11) DMA start factor
Because the DMA controller has a higher priority bus mastership than the CPU, a CPU access that takes place
during DMA transfer is held pending until the DMA transfer cycle is completed and the bus is released to the
CPU.
However, the CPU can access the internal ROM and internal RAM to/from which DMA transfer is not being
executed.
[Example]
Set the following registers at the following timing when a DMA operation is not under execution.
[Registers]
[Timing of setting]
• Bits 14 to 10 of DSAnH register
• Bits 14 to 10 of DDAnH register
• Bits 15, 13 to 8, and 3 to 0 of DADCn register
• Bits 6 to 3 of DCHCn register
Do not start two or more DMA channels with the same start factor. If two or more channels are started with
the same factor, DMA for which a channel has already been set may be started or a DMA channel with a
lower priority may be acknowledged earlier than a DMA channel with a higher priority. The operation cannot
be guaranteed.
• DSAnH, DSAnL, DDAnH, DDAnL, DBCn, and DADCn registers
• DTFRn.IFCn5 to DTFRn.IFCn0 bits
• Period from after reset to start of the first DMA transfer
• Time after channel initialization to start of DMA transfer
• Period from after completion of DMA transfer (TCn bit = 1) to start of the next DMA transfer
• The CPU can access the internal ROM and internal RAM when DMA transfer is being executed between
• The CPU can access the internal ROM when DMA transfer is being executed between the on-chip
the external memory and on-chip peripheral I/O.
peripheral I/O and internal RAM.
CHAPTER 18 DMA FUNCTION (DMA CONTROLLER)
Preliminary User’s Manual U18952EJ1V0UD
629
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