R8A77850BDBGV#RD0Z Renesas Electronics America, R8A77850BDBGV#RD0Z Datasheet - Page 1325

• Manufacturer Part Number: R8A77850BDBGV#RD0Z
• Description: IC SUPERH MPU ROMLESS 436BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

Specifications of R8A77850BDBGV#RD0Z

• 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: -

Figure 25.6 Sample Flowchart for Off-Chip Codec Register Read (2)
Assign HACCSDR read value to Data T
Assign HACCSAR read value to Addr
Notes: E2:
Write 0 to RSR.STARY
Write 0 to RSR.STDRY
Clear LoopCnt 2 to 0
WaitLoop_CMDAMT
Send_read_request
Set RegN in CSAR
Addr (R) = RegN?
Data T is returned
Get_codec_data
WaitLoop_RSR
LoopCnt2: Software counter for wait insertion
Addr:
DataT:
Return
Error
Error
No
No
Yes
Loop count required in the target system (13 < E2)
Variable to hold CSAR read value.
Variable to hold CSDR read value.
Yes
Yes
No
Input: RegN (address of the codec register to be read)
Input: RegN (address of the codec register to be read)
E2 < LoopCnt 2
LoopCnt 2 ++
Wait for 5 μs
Error
Error
Error
Yes
Rev.1.00 Jan. 10, 2008 Page 1293 of 1658
No
25. Audio Codec Interface (HAC)
REJ09B0261-0100