Data Sheet

Thundercomm TurboX C40x SOM Datasheet
- 26 -
Figure 2-4. Power on Signal
Other boot configuration bits are listed in the table below, and do not have pull up on these IOs also.
Table 2-22. Other Boot Configuration interface definition
Pin Name PIN Location Voltage Type Description Notes
GPIO_54 A26 P3 IO Fast boot select bit 4 (configure external boot device); Configurable I/O
GPIO_52 A25 P3 IO Fast boot select bit 5 (configure external boot device); Configurable I/O
GPIO_51 B24 P3 IO Fast boot select bit 6 (configure external boot device); Configurable I/O
GPIO_48 119 P3 IO Fast boot select bit 7 (configure external boot device); Configurable I/O
GPIO_59 B28 P3 IO Fast boot select bit 8 (configure external boot device); Configurable I/O
GPIO_46 115 P3 IO Fast boot select bit 9 (configure external boot device); Configurable I/O
GPIO_79 E3 P3 IO Fast boot select bit 10 (configure external boot device); Configurable I/O
GPIO_78 E2 P3 IO Fast boot select bit 11 (configure external boot device); Configurable I/O
GPIO_47 120 P3 IO Fast boot select bit 12 (configure external boot device); Configurable I/O
GPIO_50 117 P3 IO Fast boot select bit 13 (configure external boot device); Configurable I/O
GPIO_80 E4 P3 IO Fast boot select bit 14 (configure external boot device); Configurable I/O
2.3.15. Debug UART interface
This is interface dedicate for debug.
Table 2-23. Debug UART interface definition
Pin Name PIN Location Voltage Type Description Notes
GPIO_17 C26 P3 DO MSM_UART_TX -
GPIO_18 D26 P3 DI MSM_UART_RX -
2.3.16. PWM
The GPIO_03 can be configured to send the output of the PWM waveform through special functions that can
control the external current drivers for LED.
Table 2-24. PWM definition
Pin Name PIN Location Voltage Type Description Notes
PM_GPIO_03 D4
Software configurable:
VIN0 = 3.6V (Nominal)
VIN1 = 1.8V
DO Configurable GPIO -
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2022-07-21 2:34:47 AM CST