TAS5404-Q1_15 Datasheet, PDF (26/47 Pages) Texas Instruments – TAS5404-Q1: 26-W Analog Single-Ended Input 4-Channel Class-D Amp with Load Dump Protection and I2C Diagnostics

TAS5404-Q1
SLOS918A – AUGUST 2015 – REVISED OCTOBER 2015
9.6 Register Maps
I2C_ADDR VALUE
0 (OSC MASTER)
1 (OSC SLAVE1)
2 (OSC SLAVE2)
3 (OSC SLAVE3)
I²C WRITE
I²C READ
I²C WRITE
I²C READ
I²C WRITE
I²C READ
I²C WRITE
I²C READ
Table 6. TAS5404-Q1 I²C Addresses
FIXED ADDRESS
MSB 6
5
4
1
1
0
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
0
1
SELECTABLE WITH
ADDRESS PIN
3
2
1
1
0
0
1
0
0
1
0
1
1
0
1
1
1
0
1
1
0
1
1
1
1
1
1
READ/WRITE
BIT
LSB
0
1
0
1
0
1
0
1
ADDRESS
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0C
0x0D
0x0E, 0x0F
0x10
0x13
TYPE
Read
Read
Read
Read
Read
Read
Read
Read
Read, Write
Read, Write
Read, Write
Read, Write
Read, Write
Read, Write
–
Read, Write
Read
Table 7. I²C Address Register Definitions
REGISTER DESCRIPTION
Latched fault register 1, global and channel fault
Latched fault register 2, dc offset and overcurrent detect
Latched diagnostic register 1, load diagnostics
Latched diagnostic register 2, load diagnostics
External status register 1, temperature and voltage detect
External status register 2, Hi-Z and low-low state
External status register 3, mute and play modes
External status register 4, load diagnostics
External control register 1, channel gain select
External control register 2, overcurrent control
External control register 3, switching frequency and clip pin select
External control register 4, load diagnostic, master mode select
External control register 5, output state control
External control register 6, output state control
Not used
External control register 7, dc offset detect threshold selection
External status register 5, overtemperature shutdown and thermal foldback
Table 8. Fault Register 1 (0x00) Protection
D7 D6 D5 D4 D3 D2 D1 D0
FUNCTION
0
0
0
0
0
0
0
0 No protection-created faults, default value
–
–
–
–
–
–
–
1 Overtemperature warning has occurred.
–
–
–
–
–
–
1
– DC offset has occurred in any channel.
–
–
–
–
–
1
–
– Overcurrent shutdown has occurred in any channel.
–
–
–
–
1
–
–
– Overtemperature shutdown has occurred.
–
–
–
1
–
–
–
– Charge-pump undervoltage has occurred.
–
–
1
–
–
–
–
– AVDD, analog voltage, undervoltage has occurred.
–
1
–
–
–
–
–
– PVDD undervoltage has occurred.
1
–
–
–
–
–
–
– PVDD overvoltage has occurred.
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I²C
ADDRESS
0xD8
0xD9
0xDA
0xDB
0xDC
0xDD
0xDE
0xDF
26
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