R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 1031

• Manufacturer Part Number: R8A77800ANBGAV
• Description: IC SUPERH MPU ROMLESS 449-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

Specifications of R8A77800ANBGAV

• Core Processor: SH-4A
• Core Size: 32-Bit
• Speed: 400MHz
• Connectivity: Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
• Peripherals: DMA, POR, WDT
• Number Of I /o: 75
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.15 V ~ 1.35 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 449-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)
Notes:
Write 0 to RSR.STARY.
Assign HACCSDR read
Write 0 to RSR.STDRY.
Assign HACCSAR read
Clear LoopCnt2 to 0.
WaitLoop_CMDAMT
Send_read_request
Set RegN to CSAR.
Addr (R) = RegN?
Get_codec_data
WaitLoop_RSR
value to DataT.
value to Addr.
DataT return
E2: Number required for the target system
LoopCnt2: Software counter for wait insertion
Addr: Variable to hold CSAR read value
DataT: Variable to hold CSDR read value
Return
Error
Error
(13 < E2)
No
No
Yes
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
Wait for 5 ms.
LoopCnt2 ++
Error
Error
Error
Yes
Rev.1.00 Dec. 13, 2005 Page 979 of 1286
Section 25 Audio Codec Interface (HAC)
No
REJ09B0158-0100