Datasheet

Pin connections STA559BW
10/67 Doc ID 18190 Rev 1
11 Power VCC1 Power positive supply
12 GND GND1 Power negative supply
13 O OUT1A Output half-bridge channel 1A
14 GND GND_REG Internal ground reference
15 Power VDD Internal 3.3 V reference voltage
16 I CONFIG Parallel mode command
17 O OUT3B / FFX3B PWM out channel 3B / external bridge driver
18 O OUT3A / FFX3A PWM out channel 3A / external bridge driver
19 O EAPD / OUT4B Power down for external bridge / PWM out channel 4B
20 I/O TWARN / OUT4A
Thermal warning from external bridge (pull-up when input)
/ PWM out channel 4A
21 Power VDD_DIG Digital supply voltage
22 GND GND_DIG Digital ground
23 I PWRDN Power down (pull-up)
24 Power VDD_PLL Positive supply for PLL
25 I FILTER_PLL Connection to PLL filter
26 GND GND_PLL Negative supply for PLL
27 I XTI PLL input clock
28 I BICKI I
2
S serial clock
29 I LRCKI I
2
S left/right clock
30 I SDI I
2
S serial data channels 1 and 2
31 I RESET Reset (pull-up)
32 O INT_LINE Fault interrupt
33 I/O SDA I
2
C serial data
34 I SCL I
2
C serial clock
35 GND GND_DIG Digital ground
36 Power VDD_DIG Digital supply voltage
- - EP Exposed pad for PCB heatsink, to be connected to GND
Table 2. Pin description (continued)
Pin Type Name Description