D13003TF16V Renesas Electronics America, D13003TF16V Datasheet - Page 236
D13003TF16V
Manufacturer Part Number
D13003TF16V
Description
IC H8/3003 ROMLESS 112QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet
1.D13003TF16V.pdf
(717 pages)
Specifications of D13003TF16V
Core Processor
H8/300H
Core Size
16-Bit
Speed
16MHz
Connectivity
SCI
Peripherals
DMA, PWM, WDT
Number Of I /o
50
Program Memory Type
ROMless
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
120-TQFP, 120-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
D13003TF16V
Manufacturer:
RENESAS
Quantity:
210
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Part Number:
D13003TF16V
Manufacturer:
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8.4.8 DMAC Bus Cycle
Figure 8-13 shows an example of the timing of the basic DMAC bus cycle. This example shows a
word-size transfer from a 16-bit two-state access area to an 8-bit three-state access area. When the
DMAC gets the bus from the CPU, after one dead cycle (T
writes to the destination address. During these read and write operations the bus is not released
even if there is another bus request. DMAC cycles comply with bus controller settings in the same
way as CPU cycles.
Figure 8-14 shows the timing when the DMAC is activated by low input at a DREQ pin. This
example shows a word-size transfer from a 16-bit two-state access area to another 16-bit two-state
access area. The DMAC continues the transfer while the DREQ pin is held low.
ø
A
RD
HWR
LWR
23
to A
0
T
1
CPU cycle
T
2
Figure 8-13 DMA Transfer Bus Timing (Example)
T
1
T
2
T
d
T
Source
address
1
DMAC cycle (word transfer)
T
2
216
T
1
T
Destination address
2
T
d
3
), it reads from the source address and
T
1
T
2
T
3
T
1
T
CPU cycle
2
T
1
T
2
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