參數(shù)資料
型號： TC94A04AF
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP60
封裝： 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-60
文件頁數(shù)： 20/42頁
文件大?。?/td> 559K
代理商： TC94A04AF
TC94A04AF/AFD
2001-11-15
27
4.
Self-Boot Function Description
4.1
Self-Boot Function
The TC94A04AF/AFD supports a self-boot function for setting coefficients and offsets.
As Figure 1 shows, the data are set via the microcontroller interface circuit.
First saving the data to be set via the microcontroller in the self-boot ROM (SBROM) allows various
modes to be set later. The microcontroller interface circuit supports two format: I2C and the original
mode. However, the boot must be executed in Standard Transmission.
All the command inputs from the exterior are disregarded during a boot term.
SBROM
(512 word
× 18 bit)
Timing
generat
or
CS
Microcontroller Interface Circuit
BTIFCK
BTIFDI
BTMODE
Self-boot Circuit
IFCK
IFDI
I2CS
RST
Internal
IFDI
1
BTCSN
Internal
IFCK
Internal
CSN
0
1
0
Internal
I2CS
Figure 1
Self-Boot System
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