m5m51016btp Renesas Electronics Corporation., m5m51016btp Datasheet - Page 124

• Manufacturer Part Number: m5m51016btp
• Description: Renesas 16-bit Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

M30245 Group
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
Figure 2.6.4. Example of Audio stream (PCM) from the PC to the M30245 USB FIFO
In the case of the USB audio class, the following stream is output.
MSB
Audio stream (PCM) from the PC to the M30245 USB FIFO
For 16-bit data
f7
Just as 16 bits, the data width is expanded to output data for 24 bits and 32 bits .
First Word Write
Second Word Write
Third Word Write
Fourth Word Write
First Word Write
Second Word Write
Third Word Write
Fourth Word Write
First Word Write
Second Word Write
Third Word Write
Fourth Word Write
OPERATION
OPERATION
OPERATION
M30245 FIFO address
USB FIFO data setup
For 16-bit data
For 24-bit data
For 32-bit data
Left Low (LL)
Fifth byte
0
1
2
3
4
5
f1 f0
LSB
LSB
LSB
LSB
b0
b0
b0
page 115 of 354
First byte (LL)
First byte (LL)
Seventh byte
First byte
Fifth byte
Byte 2
Byte 1
Byte 3
MSB
e7
MSB
Left Buffer
15
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Right High (RH)
b7 b0
b7 b0
b7 b0
14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Fourth byte
Second byte (LM)
Second byte (LML)
Second byte
Second byte LH
Fourth byte RH
Sixth byte LH
Eighth byte RH
Tenth byte LH
Twelfth byte RH
Eighth byte
Left Buffer
Sixth byte
Byte 0
Byte 2
Byte 1
RH
Left Buffer
MSB LSB
e1 e0
RL LH LL RH RL LH LL RH RL LH LL
b7 b0
b7 b0
b7 b0
FIFO data
LSB
Third byte (LMH) Fourth byte (LH)
Third byte (LH)
Seventh byte
Third byte
Byte 1
Byte 0
Byte 1
MSB
d7
Right Buffer
MSB LSB
Fifth byte LL
Seventh byte RL
Eleventh byte RL
First byte LL
Third byte RL
Ninth byte LL
b7 b0
b7 b0
b7 b0
Right Low (RL)
Third byte
Fourth byte (RL)
Fourth byte
Eighth byte
Byte 2
Byte 0
Byte 0
LL: b0 to b7
LM: b8 to b15
LH: b16 to b23
MSB LSB
MSB
LSB
d1 d0
LSB
b7 b0
b7
b7 b0
LSB
LL: b0 to b7
LH: b8 to b15 RH: b8 to b15
Fifth byte (LM)
Fifth byte (RL)
Right Buffer
Byte 1
Byte 3
MSB
c7
b7 b0
b7 b0
RL: b0 to b7
Left High (LH)
Second byte
Sixth byte (RML)
Sixth byte (LH)
RL: b0 to b7
RM: b8 to b15
RH: b16 to b23
Byte 2
Byte 0
LL:
LML: b8 to b15
LMH: b16 to b23
LH:
Right Buffer
MSB
c1 c0
b7 b0
b0 to b7
b7
b24 to b31
LSB
Seventh byte (RMH) Eighth byte (RH)
LSB first transmit/receive
Byte 1
MSB
b7
2. Serial sound interface
b7 b0
Left Low (LL)
First byte
RL:
RML: b8 to b15
RHH: b16 to b23
RH:
Byte 0
b0 to b7
b24 to b31
MSB
b1 b0
b7
LSB