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参数资料
| 型号： | TC9446FG |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封装： | 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100 |
| 文件页数： | 39/41页 |
| 文件大小： | 562K |
| 代理商： | TC9446FG |
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TC9446FG
2005-09-28
7
Description of Operation
1.
Micro Controller Interface
The TC9446FG can perform transmission and reception of serial data with a micro controller in the
serial mode or the I2C mode.
MIMD terminal performs a change in the serial mode and the I2C mode, and input and output of data
are performed at MSB first.
The use terminal and the function in the serial mode and the I2C mode are shown in Table 1.
The bit composition of a 24 bit command is shown in Table 2.
Note 4: This data sheet shows the general control method, refer to the program explanation data of an
attached sheet for a detailed command list, the control method, etc.
Table 1
Use Terminal and Function in the Serial Mode and the I
2
C Mode
Transmission Mode
Serial Mode (MIMD
= L)
I
2
C Mode (MIMD
= H)
Terminal
Input/Output
Functions
MICS
Input (3-5 V)
Chip selection signal input
Not used (fixed “L”)
MILP
Input (3-5 V)
Latch pulse signal input
Not used (fixed “L”)
MIDIO
Input (3-5 V)/Output (3 V)
Data input/output
Data input/output (SDA)
MICK
Input (3-5 V)
Clock input
Clock input (SCL)
MIACK
Output (3 V)
Acknowledge signal output and out of
control detection output
Out of control detection output
Note 5: MIDIO terminal needs pull-up resistance for the terminal exterior because of an open-drain output.
When using it by I
2
C bus, pull-up resistance is required also for MICK terminal.
Note 6: The addresses of an I
2
C bus are write-in address 3Ah and read-out address 3Bh.
Table 2
Bit Composition of 24 Bit Command
Bit Assign
Functions
Remarks
23-8
16 bit address
Refer to the command list of the program explanation
data sheet
7
Starting the incorrect operation detection output
Starting the incorrect operation detection output by “1”
6
Starting the program RAM boot
Starting the program RAM boot by “1”
5
Setting the soft reset
Setting the soft reset ON by “1”
4
Setting the Read/Write (R/W)
Setting the read by “1”
3-0
Setting the number of words for transmission
“0h”; a word
↓
“Fh”; 16 words
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