R5F61662N50FPV Renesas Electronics America, R5F61662N50FPV Datasheet - Page 360
R5F61662N50FPV
Manufacturer Part Number
R5F61662N50FPV
Description
MCU 24KB FLASH 384K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R0K561622S000BE.pdf
(1070 pages)
Specifications of R5F61662N50FPV
Core Processor
H8SX
Core Size
16/32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
92
Program Memory Size
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
40K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
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:
R5F61662N50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 9 DMA Controller (DMAC)
(6)
When an NMI interrupt is requested, the DTE bits for all the channels are cleared to 0 and the
ERRF bit in DMDR_0 is set to 1. When an NMI interrupt is requested during a DMA transfer, the
transfer is forced to stop. To perform DMA transfer after an NMI interrupt is requested, clear the
ERRF bit to 0 and then set the DTE bits for the channels to 1.
The transfer end timings after an NMI interrupt is requested are shown below.
(a)
In dual address mode, a DMA transfer is completed after completion of the write cycle for one
transfer unit.
In single address mode, a DMA transfer is completed after completion of the bus cycle for one
transfer unit.
(b) Block Transfer Mode
A DMA transfer is forced to stop. Since a 1-block size of transfers is not completed, operation is
not guaranteed.
In dual address mode, the write cycle corresponding to the read cycle is performed. This is similar
to (a) in normal transfer mode.
(7)
When an address error occurs, the DTE bits for all the channels are cleared to 0 and the ERRF bit
in DMDR_0 is set to 1. When an address error occurs during a DMA transfer, the transfer is
forced to stop. To perform a DMA transfer after an address error occurs, clear the ERRF bit to 0
and then set the DTE bits for the channels.
The transfer end timing after an address error is the same as that after an NMI interrupt.
(8)
The DMAC is initialized by a reset and a transition to the hardware standby mode. A DMA
transfer is not guaranteed.
Rev. 2.00 Sep. 16, 2009 Page 330 of 1036
REJ09B0414-0200
Transfer End by NMI Interrupt
Normal Transfer Mode and Repeat Transfer Mode
Transfer End by Address Error
Transfer End by Hardware Standby Mode or Reset
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