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参数资料
| 型号： | I5104XY |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | 音频合成 |
| 英文描述： | 262.2 SEC, SPEECH SYNTHESIZER WITH RCDG, UUC25 |
| 封装： | DIE-25 |
| 文件页数： | 8/87页 |
| 文件大小： | 616K |
| 代理商： | I5104XY |
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ISD5100 – SERIES
- 16 -
7.3.2. I
2C Control Registers
The ISD5100 Series are controlled by loading commands to, or, reading from, the internal command,
configuration and address registers. The Command byte sent is used to start and stop recording, write
or read digital data and perform other functions necessary for the operation of the device.
Command Byte
Control of the ISD5100 Series are implemented through an 8-bit command byte, sent after the 7-bit
device address and the 1-bit Read/Write selection bit. The 8 bits are:
Global power up bit
DAB bit: determines whether device is performing an analog or digital function
3 function bits: these determine which function the device is to perform in conjunction
with the DAB bit.
3 register address bits: these determine if and when data is to be loaded to a register
C7
C6
C5
C4
C3
C2
C1
C0
PU
DAB
FN2
FN1
FN0
RG2
RG1
RG0
Function Bits
Register Bits
Function Bits
The command byte function bits are
detailed in the table to the right. C6, the
DAB bit, determines whether the
device is performing an analog or
digital function. The other bits are
decoded to produce the individual
commands.
Not
all
decode
combinations are currently used, and
are reserved for future use. Out of 16
possible codes, the ISD5100 Series
uses 7 for normal operation. The other
9 are undefined
Function Bits
C6
C5
C4
C3
DAB
FN2
FN1
FN0
Function
0
STOP (or do nothing)
0
1
0
1
Analog Play
0
1
0
Analog Record
0
1
Analog MC
1
0
Digital Read
1
0
1
Digital Write
1
0
1
0
Erase (row)
Power Up
Bit
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