R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 1485

• Manufacturer Part Number: R5S77631Y266BGV
• Description: IC SUPERH MPU ROMLESS 499BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

Specifications of R5S77631Y266BGV

• Core Processor: SH-4A
• Core Size: 32-Bit
• Speed: 266MHz
• Connectivity: Audio Codec, I²C, MMC, SCI, SIM, SIO, SSI, USB
• Peripherals: DMA, LCD, POR, WDT
• Number Of I /o: 107
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.15 V ~ 1.35 V
• Data Converters: A/D 4x10b; D/A 2x8b
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 499-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Figure 33.4 Sample Flowchart for Off-Chip Codec Register Write
Write 0 to TSR. CMDDMT.
Write 0 to TSR. CMDAMT.
Write Data to CSDR.
Write Addr to CSDR.
TSR.CMDAMT = 1&
Clear RetryCnt to 0.
Clear LoopCnt to 0.
TSR. CMDDMT = 1
Notes:
Write to codec.
Return
E1: Number required for the target system.
Input: Addr: Address of the codec register to be written to
Data: Data to be written to the codec register
RetryCnt: Software counter for error detection
LoopCnt: Software counter for wait insertion
Yes
(21 < E1 <1000)
No
E1 < LoopCnt 1
Wait for 1 µs
5 < RetryCnt
LoopCnt ++
RetryCnt ++
Error
Yes
Yes
Rev. 2.00 May 22, 2009 Page 1415 of 1982
Necessary setting:
ACR.TX12_ATOMIC = 1
Section 33 Audio Codec Interface (HAC)
No
No
REJ09B0256-0200