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TAS3218IPZP 数据表(PDF) 50 Page - Texas Instruments

部件名 TAS3218IPZP
功能描述  DIGITAL AUDIO PROCESSOR WITH ANALOG INTERFACE
PDF  79 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

TAS3218IPZP 数据表(HTML) 50 Page - Texas Instruments

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S
SCL
t
HD;DAT
t
SU;DAT
t
LOW
t
HD;STA
t
HD;STA
t
SP
t
BUF
t
f
t
f
t
r
t
r
t
HIGH
t
SU;STA
t
SU;STO
SDA
S
Sr
P
Master I
2C Load RAM Block Formats
Master I2C Memory Block Header
TAS3218
SLES235 – JULY 2008 ....................................................................................................................................................................................................... www.ti.com
PARAMETER MEASUREMENT INFORMATION (continued)
Figure 38. I2C SCL and SDA Timing Waveforms
This section describes the format of the data that is stored in an external memory device and downloaded to the
TAS3218 via the master I2C bus.
Table 9. 1 Memory Block Header
STARTING
DATA BLOCK FORMAT
SIZE
NOTES
BYTE
Checksum most significant byte (MSB)
0
2 byte
Checksum of byte 2 through N + 12
Checksum least significant bye (LSB)
Header ID byte 1 = 0x00
2
2 byte
Must be 0x001F
Header ID byte 2 = 0x1F
0x00: micro program RAM or
termination header
0x01: micro external data RAM
4
Memory to be loaded
1 byte
0x02: DSP program RAM
0x03 : DSP coefficient RAM
0x04: DSP data RAM
0x050x0F: reserved
5
0x00
1 byte
Unused
Start memory address MSB
If this is a termination header, this
6
2 byte
value is 0000
Start memory address LSB
Total number of byte transferred MSB
Header size (12) + data byte + last
8
2 byte
checksum byte. If this is a termination
Total number of byte transferred LSB
header, this value is 0000
10
0x00
1 byte
Unused
11
0x00
1 byte
Unused
50
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Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): TAS3218



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