AirPrime Module Datasheet

Product Technical Specification
Rev 1 Apr.17 14 41110693
28 VREGEN Analogue Take High to Enable Switch-Mode
Regulator
29 CHG_EXT Charger input External battery charger control
30 VCHG Charger input Battery Charger Input
31 VBAT_SENSE Battery Sense Battery Charger Sense
32 VBAT Battery terminal
+ve
Battery Positive
33 VDD_PADS Supply Positive Supply input
34 3V3_USB Supply Positive Supply output
35 USB_N Bi-directional USB data negative
36 USB_P Bi-directional USB data positive
37 LED_0 Open drain output LED Driver
38 LED_1 Open drain output LED Driver
39 LED_2 Open drain output LED Driver
40 UART_CTS Bi-directional UART Clear to Send
41 UART_TX Bi-directional UART TX Data
42 UART_RX Bi-directional UART RX Data
43 UART_RTS Bi-directional UART request to send, active low
44 RST# Reset Input with
Pull-Up
Reset if low for more than 5ms
45 SPI_PCM# Input Select PCM/SPI
46 PCM1_SYNC Bi-directional Synchronous data sync
47 PCM1_CLK Bi-directional Synchronous data clock
48 PCM1_OUT CMOS output Synchronous data output
49 PCM1_IN CMOS input Synchronous data input
50 PIO_2 Bi-directional Programmable input/output line
51 PIO_3 Bi-directional Programmable input/output line
Table 3-2: Additional Pins on the BC127-EXT
No Pin Name Pin Type Pin Description
52 GND GND Common Ground
Table 3-1: Pin Descriptions for the BC127/BC127-HD/BC127EXT
No Pin Name Pin Type Pin Description