R8A77850ADBGV Renesas Electronics America, R8A77850ADBGV Datasheet - Page 1323

• Manufacturer Part Number: R8A77850ADBGV
• Description: IC SUPERH MPU ROMLESS 436-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

Specifications of R8A77850ADBGV

• 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: -40°C ~ 85°C
• Package / Case: 436-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Figure 25.4 Sample Flowchart for Off-Chip Codec Register Write
Notes: E1:
Input:
RetryCnt: Software counter for error detection
LoopCnt: Software counter for wait insertion
Write 0 to TSR.CMDAMT
Write 0 to TSR.CMDDMT
TSR.CMDAMT = 1 &
Clear RetryCnt to 0
Clear LoopCnt to 0
Set Addr. in CSAR
TSR.CMDDMT = 1
Set data in CSDR
Write to codec
Return
Loop count required in the target system
(21 < E1 < 1000)
Addr: Address of codec register to be written to
Data: Data to be written to codec register
Yes
No
E1 < LoopCnt 1
Wait for 1 μs
5 < RetryCnt
RetryCnt++
LoopCnt++
Error
Yes
Yes
Rev.1.00 Jan. 10, 2008 Page 1291 of 1658
Prerequisite:
ACR.TX12_ATOMIC = 1
25. Audio Codec Interface (HAC)
No
No
REJ09B0261-0100