Data Sheet
USB Audio Controller
SN11220ACF
Old READ :
S
Slave Addr (R) A D0 A P
New READ :
Slave Addr (W) A Pointer
S
A
Sr Slave Addr (R) A D0 A D1 A D2 A D3 A D4 A D5 A D6 A D7 A D8 A D9 A P
NOTE:
1. S : START
8. D0 : Data Length (Byte0)
2. Sr : Repeated START
9. D1 ~ D8 : Data (Byte1 ~ Byte8)
3. Slave Addr (W) : Slave Address (Write) = 0x38
4. Slave Addr (R) : Slave Address (Read) = 0x39
5. Pointer : Register0 Pointer = 0x00
6. A : Acknowledge
10. D9 : Rolling Code (Byte9)
11. P : STOP
12.
13.
: From Master to Slave
: From Slave to Master
7. A : Not Acknowledge
READ
OldWRITE :
S
Slave Addr (W) A Pointer A D0 A D1 A P
New WRITE :
Slave Addr (W) A Pointer A D0 A D1 A D2 A D3 A D4 A D5 A D6 A D7 A D8 A D9 A DA A DB A
S
P
NOTE:
1. S : START
7. DA ~ DB : Dummy Byte (ByteA~ ByteB)
8. A: Acknowledge
2. Slave Addr (W) : Slave Address (Write) = 0x38
3. Pointer : Register0 Pointer = 0x00
4. D0 : Data Length (Byte0)
5. D1 ~ D8 : Data (Byte1 ~ Byte8)
6. D9 : Rolling Code (Byte9)
9. P: STOP
10. : FromMaster to Slave
11. : FromSlave to Master
WRITE
Sonix Confidential
- 22 -
Do not copy, reproduce, or distribute without permission
2006 Aug 10, V1.01