HD6417760BL200AV Renesas Electronics America, HD6417760BL200AV Datasheet - Page 27

• 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: -

Item
25.3.7 TX Status
Register (HACTSR)
25.5.5 Restrictions
Related to
HACTCR.CMDAMT
25.5.5 Initialization
Sequence
Figure 25.4 Sample
Flowchart for Off-Chip
Codec Register Write
Page
920
—
930
Revision (See Manual for Details)
Table amended
Deleted
Figure amended
Notes: E1: Loop count required in the target system
Bit
31
Write 0 to HACTSR.CMDDMT.
Write 0 to HACTSR.CMDAMT.
Set data in HACCSDR.
Set Addr in HACCSAR.
TSR.CMDAMT = 1&
Clear LoopCnt to 0.
TSR.CMDDMT = 1
Disable interrupts.
Set RetryCnt to 0.
Enable interrupts.
* Some CODEC devices may not complete accessing CODEC register within 1 slot time.
Write to codec.
Input: Addr: Address of codec register to be written to
RetryCnt: Software counter for error detection
LoopCnt: Software counter for wait insertion
In this case, please execute this retrying procedure.
Return
(21<E1<1000)
Bit Name
CMDAMT
Data: Data to be written to codec register
Yes
No
Initial Value
1
E1 < LoopCnt 1
Wait for 1 μs.
5 < RetryCnt
RetryCnt ++
LoopCnt ++
Error
Prerequisite:
HACACR.TX12_ATOMIC=1
Yes
Yes
R/W*
R/W
Rev. 2.00 Feb. 12, 2010 Page xxv of lxxxii
2
No
No
Description
Command Address Empty
0: CSAR Tx buffer contains untransmitted data.
1: CSAR Tx buffer is empty and ready to store
For details of HAC initialization steps, see the
operational flow in 25.5.5.
data.*
1
Retrying procedure*
REJ09B0554-0200