R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 699
R8A77850ANBGV
Manufacturer Part Number
R8A77850ANBGV
Description
IC SUPERH MPU ROMLESS 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850ANBGV
Core Processor
SH-4A
Core Size
32-Bit
Speed
600MHz
Connectivity
Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
Peripherals
DMA, POR, WDT
Number Of I /o
108
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1 V ~ 1.2 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
436-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R8A77850ANBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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14.2
The DMAC-related external pins are shown below.
Table 14.1 shows the configuration of the pins that are connected to external device. The DMAC
has pins for four channels (channels 0 to 3) used in the external bus.
Table 14.1 Pin Configuration for the External Bus
Notes: 1. The initial value is low-level detection.
Channel Function
0
1
2
3
2. The initial value is low-active.
Input/Output Pins
DMA transfer request
DREQ0 acceptance
confirmation
DMA transfer end
notification
DMA transfer request
DREQ1 acceptance
confirmation
DMA transfer end
notification
DMA transfer request
DREQ2 acceptance
confirmation
DMA transfer end
notification
DMA transfer request
DREQ3 acceptance
confirmation
DMA transfer end
notification
Pin Name I/O
DREQ0*
DRAK0*
DACK0*
DREQ1*
DRAK1*
DACK1*
DREQ2*
DRAK2*
DACK2*
DREQ3*
DRAK3*
DACK3*
2
2
2
2
2
2
2
2
1
1
1
1
Input
Output Notifies acceptance of DMA transfer
Output Outputs strobe to DMA transfer request
Input
Output Notifies acceptance of DMA transfer
Output Outputs strobe to DMA transfer request
Input
Output Notifies acceptance of DMA transfer
Output Outputs strobe to DMA transfer request
Input
Output Notifies acceptance of DMA transfer
Output Outputs strobe to DMA transfer request
Description
DMA transfer request input from external
device to channel 0
request and start of execution from
channel 0 to external device
from channel 0 to external device
DMA transfer request input from external
device to channel 1
request and start of execution from
channel 1 to external device
from channel 1 to external device
DMA transfer request input from external
device to channel 2
request and start of execution from
channel 2 to external device
from channel 2 to external device
DMA transfer request input from external
device to channel 3
request and start of execution from
channel 3 to external device.
from channel 3 to external device
14. Direct Memory Access Controller (DMAC)
Rev.1.00 Jan. 10, 2008 Page 667 of 1658
REJ09B0261-0100
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