UPD70F3738GF-GAS-AX Renesas Electronics America, UPD70F3738GF-GAS-AX Datasheet - Page 763
UPD70F3738GF-GAS-AX
Manufacturer Part Number
UPD70F3738GF-GAS-AX
Description
MCU 32BIT V850ES/JX3-L 100-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3-Lr
Datasheet
1.UPD70F3737GF-GAS-AX.pdf
(1071 pages)
Specifications of UPD70F3738GF-GAS-AX
Core Processor
RISC
Core Size
32-Bit
Speed
20MHz
Connectivity
CSI, EBI/EMI, I²C, UART/USART
Peripherals
DMA, LVD, PWM, WDT
Number Of I /o
84
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
2.2 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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UPD70F3738GF-GAS-AX
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(2) DMA destination address registers 0 to 3 (DDA0 to DDA3)
Cautions 1. Be sure to clear bits 14 to 10 of the DDAnH register to 0.
The DDA0 to DDA3 registers set the DMA destination address (26 bits each) for DMA channel n (n = 0 to 3).
These registers are divided into two 16-bit registers, DDAnH and DDAnL.
These registers can be read or written in 16-bit units.
2. Set the DDAnH and DDAnL registers during one of the following periods in which DMA
3. When the value of the DDAn register is read, two 16-bit registers, DDAnH and DDAnL, are
4. DMA transfer of misaligned 16-bit data is not supported.
5. Following a reset, set the DSAnH, DSAnL, DDAnH, DDAnL, and DBCn registers before
(n = 0 to 3)
(n = 0 to 3)
DDAnH
DDAnL
transfer is disabled (DCHCn.Enn bit = 0).
read. If reading and updating conflict, a value being updated may be read (see 20.13
Cautions).
If an odd address is specified as the transfer destination, the least significant bit of the
address is forcibly handled as being 0.
starting DMA transfer. If these registers are not set, DMA transfers are not guaranteed.
• Period from after reset to start of first DMA transfer
• Period from after channel initialization by DCHCn.INITn bit to start of DMA transfer
• Period from after completion of DMA transfer (DCHCn.TCn bit = 1) to start of the next
After reset: Undefined
DMA transfer
DA15 DA14 DA13 DA12
DA25 to DA16
DA15 to DA0
IR
IR
0
1
CHAPTER 20 DMA FUNCTION (DMA CONTROLLER)
0
External memory or on-chip peripheral I/O
Internal RAM
Set the address (A25 to A16) of the DMA transfer destination
(the default value is undefined).
During DMA transfer, the next DMA transfer destination address is held.
When DMA transfer is completed, the DMA transfer source address set
first is held.
Set the address (A15 to A0) of the DMA transfer destination
(the default value is undefined).
During DMA transfer, the next DMA transfer destination address is held.
When DMA transfer is completed, the DMA transfer source address set
first is held.
0
R/W
0
DA11
User’s Manual U18953EJ5V0UD
0
DA10
Address: DDA0H FFFFF086H, DDA1H FFFFF08EH,
Specification of DMA transfer destination
0
DA25
DA9
DA24
DA2H FFFFF096H, DDA3H FFFFF09EH,
DDA0L FFFFF084H, DDA1L FFFFF08CH,
DDA2L FFFFF094H, DDA3L FFFFF09CH
DA8
DA23
DA7
DA22 DA21 DA20 DA19 DA18 DA17 DA16
DA6 DA5 DA4 DA3 DA2 DA1 DA0
761
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