R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 1326

• Manufacturer Part Number: R8A77850ANBGV
• Description: IC SUPERH MPU ROMLESS 436-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

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: -

25. Audio Codec Interface (HAC)
Rev.1.00 Jan. 10, 2008 Page 1294 of 1658
REJ09B0261-0100
Figure 25.7 Sample Flowchart for Off-Chip Codec Register Read (3)
Write 0 to TSR.CMDAMT
Write 0 to RSR.STARY
Write 0 to RSR.STDRY
Notes: E3, E4:
WaitLoop_CMDAMT
Clear LoopCnt 3 to 0
Clear LoopCnt 4 to 0
TSR.CMDAMT = 1
RSR.STARY = 1 &
RSR.STDRY = 1
WaitLoop_RSR
LoopCnt3: Software counter for wait insertion
LoopCnt4: Software counter for wait insertion
Return
Return
Yes
Yes
Loop count required in the target system
(21 < E3, 21 < E4 < 1000)
No
No
E3 < LoopCnt 3
E4 < LoopCnt 4
LoopCnt 3 ++
LoopCnt 4 ++
Wait for 1 μs
Wait for 1 μs
Error
Error
Yes
Yes
No
No