DF2170BVTE33V Renesas Electronics America, DF2170BVTE33V Datasheet - Page 220
DF2170BVTE33V
Manufacturer Part Number
DF2170BVTE33V
Description
IC H8S/2170 MCU FLASH 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheet
1.DF2170BVTE33V.pdf
(572 pages)
Specifications of DF2170BVTE33V
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
For Use With
HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)3DK2166 - DEV EVAL KIT H8S/2166
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2170BVTE33V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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7.4.8
The priority of the DMAC channels is: channel 0 > channel 1 > channel 2> channel 3. Table 7.3
shows the DMAC channel priority.
Table 7.3
If transfer requests occur simultaneously for a number of channels, the highest-priority channel
according to the priority in table 7.3 is selected for transfer.
Transfer Requests from Multiple Channels (Except Auto Request Cycle Steal Mode): If
transfer requests for different channels are issued during a transfer operation, the highest-priority
channel (excluding the currently transferring channel) is selected. The selected channel begins
transfer after the currently transferring channel releases the bus. If there is a bus request from a bus
master other than the DMAC at this time, a cycle for the other bus master is initiated. If there is no
other bus request, the bus is released for one cycle.
Channels are not switched during burst transfer or transfer of a block in block transfer mode.
Figure 7.13 shows an example of the transfer timing when transfer requests occur simultaneously
for channels 0, 1, and 2. The example in the figure is for external request cycle steal mode.
Rev. 2.00, 03/04, page 186 of 534
Channel
Channel 0
Channel 1
Channel 2
Channel 3
Channel Priority
DMAC Channel Priority
Priority
High
Low
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