R8A77850AADBGV Renesas Electronics America, R8A77850AADBGV Datasheet - Page 1324
R8A77850AADBGV
Manufacturer Part Number
R8A77850AADBGV
Description
IC SUPERH MCU 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850AADBGV
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
-40°C ~ 85°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:
R8A77850AADBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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25. Audio Codec Interface (HAC)
Rev.1.00 Jan. 10, 2008 Page 1292 of 1658
REJ09B0261-0100
Send_read_request (RegN)
Send_read_request (RegN)
Read_codec_aux (RegN)
Get_codec_data (RegN)
Get_codec_data (RegN)
Figure 25.5 Sample Flowchart for Off-Chip Codec Register Read (1)
RegN = Last_Reg?
Read_codec_aux
Data 2 return
Read codec
Data return
Error
Error
Error
Error
Error
: Data acquisition
: Data 1 acquisition
: Data 2 acquisition
No
No
No
No
No
No
Input: RegN (address of the codec register to be read)
Input: RegN (address of the codec register to be read)
Read_codec_aux (RegV)
Yes
Yes
Yes
Yes
Yes
Yes
Error
Error
No
RegV = H'7C
(Vender ID1)
Error
In continuous reading of registers in some off-chip codec
devices, the data in the register previously read may be read
again. In such case, take the steps in this flowchart.
Yes
Dummy processing
(Discard the first data)
Error
Dummy read
Last_Reg: Address of the register
read last time
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