HD6417760BL200AV Renesas Electronics America, HD6417760BL200AV Datasheet - Page 1016

• Manufacturer Part Number: HD6417760BL200AV
• Description: SH4 7760, 17 X17 256BGA, LCDC, U
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7750r

Specifications of HD6417760BL200AV

• Core Processor: SH-4
• Core Size: 32-Bit
• Speed: 200MHz
• Connectivity: Audio Codec, CAN, EBI/EMI, FIFO, I²C, MFI, MMC, SCI, Serial Sound, SIM, SPI, USB
• Peripherals: DMA, LCD, POR, WDT
• Number Of I /o: 69
• Program Memory Type: ROMless
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 1.4 V ~ 1.6 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Rev. 2.00 Feb. 12, 2010 Page 932 of 1330
REJ09B0554-0200
Figure 25.6 Sample Flowchart for Off-Chip Codec Register Read (cont)
Notes: E2: Loop count required in the target system
Write 0 to HACRSR.STARY.
Set RegN in HACCSAR.
Assign HACCSAR read
Assign HACCSDR read
Clear LoopCnt2 to 0.
WaitLoop_CMDAMT
Send_read_request
LoopCnt2: Software counter for wait insertion
Addr: Variable to hold HACCSAR read value
DataT: Variable to hold HACCSDR read value
* Some CODEC devices may not complete accessing CODEC register within 1 slot time.
Disable interrupts.
Addr (R) = RegN?
DataT is returned.
Enable interrupts
Get_codec_data
WaitLoop_RSR
value to DataT.
value to Addr.
In this case, please execute this retrying procedure.
(13<E2)
Return
Error
Error
No
No
Yes
Yes
Yes
No
Input: RegN (address of the codec register to be read)
Input: RegN (address of the codec register to be read)
E2 < LoopCnt 2
Wait for 5 µs.
LoopCnt2 ++
Error
Error
Error
Yes
No
Retrying procedure*