UPD78F1001GB-GAF-AX Renesas Electronics America, UPD78F1001GB-GAF-AX Datasheet - Page 856
UPD78F1001GB-GAF-AX
Manufacturer Part Number
UPD78F1001GB-GAF-AX
Description
MCU 16BIT 78K0R/KX3-L 44-LQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Kx3-Lr
Datasheet
1.UPD78F1000GB-GAF-AX.pdf
(1171 pages)
Specifications of UPD78F1001GB-GAF-AX
Core Processor
78K/0R
Core Size
16-Bit
Speed
20MHz
Connectivity
3-Wire SIO, I²C, LIN, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 10x10b
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:
UPD78F1001GB-GAF-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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78K0R/Kx3-L
R01UH0106EJ0300 Rev.3.00
Oct 01, 2010
Address: FFFBCH (DRC0), FFFBDH (DRC1)
Symbol
DRCn
(2) DMA operation control register n (DRCn)
The DRCn register is a register that is used to enable or disable transfer of DMA channel n.
Rewriting bit 7 (DENn) of this register is prohibited during operation (when DSTn = 1).
The DRCn register can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation clears this register to 00H.
Cautions 1. The DSTn flag is automatically cleared to 0 when a DMA transfer is completed.
Remark
DMAC waits for a DMA trigger when DSTn = 1 after DMA operation is enabled (DENn = 1).
DMAC waits for a DMA trigger when DSTn = 1 after DMA operation is enabled (DENn = 1).
When a software trigger (STGn) or the start source trigger set by the IFCn3 to IFCn0 bits is input, DMA transfer is
started.
When DMA transfer is completed after that, this bit is automatically cleared to 0.
Write 0 to this bit to forcibly terminate DMA transfer under execution.
DENn
DENn
DSTn
<7>
0
1
0
1
n: DMA channel number (n = 0, 1)
2. When the FSEL bit of the OSMC register has been set to 1, do not enable (DENn = 1) DMA
Writing the DENn flag is enabled only when DSTn = 0. When a DMA transfer is terminated
without waiting for generation of the interrupt (INTDMAn) of DMAn, therefore, set the DSTn
bit to 0 and then the DENn bit to 0 (for details, refer to 17.5.5
software).
operation for at least three clocks after the setting.
Figure 17-5. Format of DMA Operation Control Register n (DRCn)
Disables operation of DMA channel n (stops operating cock of DMA).
Enables operation of DMA channel n.
DMA transfer of DMA channel n is completed.
DMA transfer of DMA channel n is not completed (still under execution).
6
0
After reset: 00H
5
0
4
0
DMA operation enable flag
R/W
DMA transfer mode flag
3
0
CHAPTER 17 DMA CONTROLLER
2
0
Forced termination by
1
0
DSTn
<0>
856
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