R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 1032

• 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: -

Section 25 Audio Codec Interface (HAC)
It is possible to stop the supply of clock to the HAC using the MSTP0 bit in MSTPCR. For details
of MSTPCR, refer to section 17, Power-Down Mode.
Rev.1.00 Dec. 13, 2005 Page 980 of 1286
REJ09B0158-0100
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 and E4: Numbers required for the target system
Clear LoopCnt3 to 0.
Clear LoopCnt4 to 0.
WaitLoop_CMDAMT
RSR.STARY = 1 &
TSR.CMDAMT = 1
RSR.STDRY = 1
WaitLoop_RSR
Return
LoopCnt3: Software counter for wait insertion
LoopCnt4: Software counter for wait insertion
Return
Yes
Yes
(21 < E3, 21 < E4 < 1000)
No
No
E3 < LoopCnt 3
E4 < LoopCnt 4
Wait for 1 µs.
Wait for 1 µs.
LoopCnt3 ++
LoopCnt4 ++
Error
Error
Yes
Yes
No
No