R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 1486

• 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: -

Section 33 Audio Codec Interface (HAC)
Rev. 2.00 May 22, 2009 Page 1416 of 1982
REJ09B0256-0200
Send_read_request (RegN)
Send_read_request (RegN)
Read_codec_aux (RegN)
Get_codec_data (RegN)
Get_codec_data (RegN)
Figure 33.5 Sample Flowchart for Off-Chip Codec Register Read (1)
RegN = Last_Reg?
Read_codec_aux
Data 2 return
Read coded.
Data return
Error
Error
Error
Error
Error
: Data acquisition
: Data 1 acquisition
: Data 2 acquisition
No
No
No
No
No
No
input: RegN ()address of the coded register to be read)
Input: RegN (address of the codec register to be read)
Yes
Read_codec_aux (RegV)
Yes
Yes
Yes
Yes
Yes
Error
Error
No
RegV = H'7C
(Vender ID1)
Error
When extrnal codec register are
read in saquence, data in the last
register that was read may be read
again in some codec devices. In this
case, use the read procedure shown
in this flowchart.
Yes
(Discard the first data)
Dummy processing
Error
Dummy read
Last_Reg: Address of the register
read last time.