DS72011RB120FPV Renesas Electronics America, DS72011RB120FPV Datasheet - Page 385
![IC SH7201 MPU ROMLESS 176LQFP](/photos/28/61/286154/176-lqfp_sml.jpg)
DS72011RB120FPV
Manufacturer Part Number
DS72011RB120FPV
Description
IC SH7201 MPU ROMLESS 176LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7200r
Datasheet
1.R0K572011S000BE.pdf
(1222 pages)
Specifications of DS72011RB120FPV
Core Size
32-Bit
Core Processor
SH-2A
Speed
120MHz
Connectivity
CAN, EBI/EMI, FIFO, I²C, SCI, Serial Sound
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
104
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 70°C
Package / Case
176-LQFP
No. Of I/o's
109
Ram Memory Size
32KB
Cpu Speed
120MHz
Digital Ic Case Style
LQFP
Supply Voltage Range
3V To 3.6V
Operating Temperature Range
-20°C To +70°C
Embedded Interface Type
I2C, SSI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
R0K572011S000BE - KIT STARTER FOR SH7201HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)
Eeprom Size
-
Program Memory Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS72011RB120FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 385 of 1222
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SH7201 Group
11.8
11.8.1
Channel priority is allocated in descending order from channel 0; that is priority follows the below
relation, where P indicates priority.
P
11.8.2
The DMAC determines the priority every time single operand transfer is performed.
When a DMA request with a higher priority is generated during transfer for one channel, the
transfer for the higher-priority channel only starts after the end of the current operand transfer.
Figure 11.10 shows overall operation when multiple DMA requests are generated. The thick lines
in the figure indicate the periods over which the DMA request signals are at the low level. Here
channels 0, 2 and 3 are set to a level sense and channel 1 is set to an edge sense.
1. Since the channel 2 request is masked, it is regarded as non-existent. Thus, transfer on channel
2. Since channel 0 has the highest priority, transfer on this channel starts up.
3. Since channel 2 has the higher priority of the requests at this point, transfer on this channel
4. Transfer on channel 3 is restarted as there are no other requests at this point.
5. When the DMA requests are simultaneously generated for channels 0, 1, and 3, transfer on
6. After the transfer on channel 0 is complete, transfer on channel 1 starts up because it has the
7. A further DMA request (the selected edge) is received on channel 1 while DMA transfer is in
8. On completion of the transfer on channel 1, transfer on channel 3 starts up since there are no
9. No transfer starts up immediately after the end of the unit transfer operation on channel, since
R01UH0026EJ0300 Rev. 3.00
Sep 24, 2010
channel 0
3 starts up.
restarts.
channel 0 starts up because it has the highest priority.
second highest priority.
progress. Transfer on channel 1 is thus restarted after completion of the current round of
transfer on channel 1. No masking period applies in the case of edge sensing.
other requests.
channel 3 requests are masked and there are no other requests. Transfer on channel 3 only
restarts after the end of the masking period.
> P
Determining DMA Channel Priority
Channel Priority Order
Operation during Multiple DMA Requests
channel 1
> P
channel 3
… P
channel 6
> P
channel 7
. This order is fixed.
Section 11 Direct Memory Access Controller (DMAC)
Page 357 of 1190
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