TC94A04AFG Toshiba Semiconductor, TC94A04AFG Datasheet - Page 27
TC94A04AFG
Manufacturer Part Number
TC94A04AFG
Description
1 CHIP AUDIO DIGITAL PROCESSOR
Manufacturer
Toshiba Semiconductor
Datasheet
1.TC94A04AFG.pdf
(42 pages)
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4. Self-Boot Function Description
4.1
RST
Self-Boot Function
modes to be set later. The microcontroller interface circuit supports two format: I
mode. However, the boot must be executed in Standard Transmission.
The TC94A04AFG/AFDG 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
All the command inputs from the exterior are disregarded during a boot term.
(512 word × 18 bit)
Self-boot Circuit
SBROM
Figure 1 Self-Boot System
generat
Timing
or
BTMODE
BTIFCK
BTCSN
BTIFDI
27
Microcontroller Interface Circuit
Internal
1
IFDI
0
Internal
1
IFCK
0
Internal
1
CSN
0
TC94A04AFG/AFDG
Internal
I2CS
2
C and the original
IFCK
IFDI
I2CS
2005-09-28
CS
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