DF2328BVF25V Renesas Electronics America, DF2328BVF25V Datasheet - Page 328
DF2328BVF25V
Manufacturer Part Number
DF2328BVF25V
Description
IC H8S MCU FLASH 256K 128QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheets
1.HEWH8E10A.pdf
(19 pages)
2.D12312SVTE25V.pdf
(341 pages)
3.D12322RVF25V.pdf
(1304 pages)
Specifications of DF2328BVF25V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
87
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
128-QFP
For Use With
EDK2329 - DEV EVALUATION KIT H8S/2329
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Other names
HD64F2328BVF25V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2328BVF25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 7 DMA Controller (Not Supported in the H8S/2321)
resumes after the end of the single cycle, DREQ pin low level sampling is performed again, and
this operation is repeated until the transfer ends.
DREQ Pin Low Level Activation Timing: Set the DTA bit for the channel for which the DREQ
pin is selected to 1.
Figure 7.32 shows an example of DREQ pin low level activated single address mode transfer.
DREQ pin sampling is performed every cycle, with the rising edge of the next φ cycle after the
end of the DMABCR write cycle for setting the transfer enabled state as the starting point.
Rev.6.00 Sep. 27, 2007 Page 296 of 1268
REJ09B0220-0600
Figure 7.32 Example of DREQ Pin Low Level Activated Single Address Mode Transfer
Address bus
DMA control
[1]
[2] [5] The request is cleared at the next bus break, and activation is started in the DMAC.
[3] [6] The DMAC cycle is started.
[4] [7] Acceptance is resumed after the single cycle is completed.
Note: In write data buffer mode, bus breaks from [2] to [7] may be hidden, and not visible.
Channel
DREQ
DACK
Acceptance after transfer enabling; the DREQ pin low level is sampled on the rising edge of φ,
and the request is held.
(As in [1], the DREQ pin low level is sampled on the rising edge of φ, and the request is held.)
φ
Idle
[1]
Request
Bus release
Minimum of
2 cycles
[2]
[3]
Single
Request clear
Transfer source/
DMA single
destination
period
Acceptance resumes
Idle
[4]
Request
Bus release
Minimum of
2 cycles
[5]
[6]
Single
Request clear
DMA single
Transfer source/
period
destination
Acceptance resumes
Idle
[7]
release
Bus
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