4 OTW O Chip over heat alarm output
5 SD-CD O Off label position of centre power amplifier Refer to table 3
6 SD-AB O Off label position of left/right channel power amplifier Refer to table 3
7 PWM-DP I Centre PWM positive signal input
8 PWM-DM I Centre PWM negative signal input
9 RESET-CD I Centre power amplifier reset signal Refer to table 3
10 PWM-CM unused
11 PWM-CP unused
12 DREG-RIN Digital power supply regulator decoupling loop pin
13 M3 I Output mode selection bit Refer to table 2
14 M2 I Protection mode selection bit Refer to table 1
15 M1 I Protection mode selection bit Refer to table 1
16 DREG Digital power supply regulator decoupling pin
17 PWM-BP I Left channel PWM positive signal input
18 PWM-BM I Left channel PWM negative signal input
19 RESET-AB I Left/right channel power amplifier reset signal Refer to table 3
20 PWM-AM I Right channel PWM positive signal input
21 PWM-AP I Right channel PWM negative signal input
22 GND Common
23 DGND Digital input/output reference ground
24 GND Common
25 DVDD Input.output power supply voltage 3.3V
26 GREG Door drive voltage regulator decoupling pin
27 GND Common
28 GND Common
29 GND Common
30 GVDD Door drive and digital regulator power supply end
31 BST-A High-side bootstrap supply (BST)
32 PVDD-A Right channel power amplifier power supply
33 PVDD-A Right channel power amplifier power supply
34 OUT-A O Right channel power amplifier output
35 OUT-A O Right channel power amplifier output
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