DF2170VTE33 Renesas Electronics America, DF2170VTE33 Datasheet - Page 247
DF2170VTE33
Manufacturer Part Number
DF2170VTE33
Description
MCU 3V 256K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheet
1.DF2170BVTE33V.pdf
(572 pages)
Specifications of DF2170VTE33
Core Processor
H8S/2000
Core Size
16-Bit
Speed
33MHz
Connectivity
SCI, USB
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
76
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
HD64F2170VTE33
HD64F2170VTE33
HD64F2170VTE33
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2170VTE33V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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When transfer is aborted, register values are retained, and as the address registers indicate the next
transfer addresses, transfer can be resumed by setting the DA bit to 1 in DMMDR. If the BEF bit
is 1 in DMMDR, transfer can be resumed from midway through a block.
Hardware Standby Mode and Reset Input: The DMAC is initialized in hardware standby mode
and by a reset. DMA transfer is not guaranteed in these cases.
7.4.13
The read and write operations in a DMA transfer cycle are indivisible, and a refresh cycle or
internal bus master (CPU) access cycle never occurs between the two.
When read and write cycles occur consecutively, as in burst transfer or block transfer, a refresh
may be inserted after the write cycle. As the CPU has lower priority than the DMAC, the CPU
access is not executed until the DMAC releases the bus.
The DMAC releases the bus in the following cases:
1. When DMA transfer is performed in cycle steal mode
2. When switching to a different channel
3. When transfer ends in burst transfer mode
4. When transfer of one block ends in block transfer mode
7.5
DMAC interrupt sources are a transfer end indicated by the transfer counter, and repeat area
overflow interrupts. Table 7.4 shows the interrupt sources and their priority.
Table 7.4
Interrupt
DMTEND0
DMTEND1
DMTEND2
DMTEND3
Relationship between DMAC and Other Bus Masters
Interrupt Sources
Interrupt Sources and Priority Order
Interrupt source
Transfer end indicated by channel 0 transfer counter
Channel 0 source address repeat area overflow
Channel 0 destination address repeat area overflow
Transfer end indicated by channel 1 transfer counter
Channel 1 source address repeat area overflow
Channel 1 destination address repeat area overflow
Transfer end indicated by channel 2 transfer counter
Channel 2 source address repeat area overflow
Channel 2 destination address repeat area overflow
Transfer end indicated by channel 3 transfer counter
Channel 3 source address repeat area overflow
Channel 3 destination address repeat area overflow
Rev. 2.00, 03/04, page 213 of 534
Interrupt Priority
High
Low
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