R5F61668MZN50FPV Renesas Electronics America, R5F61668MZN50FPV Datasheet - Page 449
R5F61668MZN50FPV
Manufacturer Part Number
R5F61668MZN50FPV
Description
MCU FLASH 1024K ROM 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R5F61668MZN50FPV.pdf
(1416 pages)
Specifications of R5F61668MZN50FPV
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
1MB (1M x 8)
Program Memory Type
FLASH
Ram Size
56K 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
-
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The DTIF bit in DMDR is set to 1 after the total transfer size of transfers is completed. When both
the DTIF and DTIE bits in DMDR are set to 1, a transfer end interrupt by the transfer counter is
requested to the CPU or DTC.
The DTIF bit is set to 1 when the ACT bit in DMDR is cleared to 0 to stop a transfer after the bus
cycle is completed.
The DTIF bit is automatically cleared to 0 and a transfer request is cleared if the transfer is
resumed by setting the DTE bit to 1 during interrupt handling.
For details on interrupts, see section 10.8, Interrupt Sources.
10.5.8
The channels of the DMAC are given following priority levels: channel 0 > channel 1 >
channel 2 > channel3. Table 10.6 shows the priority levels among the DMAC channels.
Table 10.6 Priority among DMAC Channels
The channel having highest priority other than the channel being transferred is selected when a
transfer is requested from other channels. The selected channel starts the transfer after the channel
being transferred releases the bus. At this time, when a bus master other than the DMAC requests
the bus, the cycle for the bus master is inserted.
In a burst transfer or a block transfer, channels are not switched.
Channel
Channel 0
Channel 1
Channel 2
Channel 3
DTIF Bit in DMDR
Priority of Channels
Rev. 1.00 Jan. 29, 2010 Page 417 of 1380
Section 10 DMA Controller (DMAC)
REJ09B0596-0100
Priority
High
Low
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