Rainbow Electronics BTM -60х - Manual (Page 4)

BTM-600
Pins Function
No. Pin Name Pin Type Pin description
1 GND GND Common ground
2 +V_PA Power Power Amp. Power Supply(3.3V)
3 1.8V Power 1.8V Internal Power Output
4 VDD Power PIO power supply input(3.3V or 1.8V)
5 AIO[0] Bi-directional Programmable Input/Output Line
6 AIO[1] Bi-directional Programmable Input/Output Line
7 UART_RTS CMOS output UART request to send(active low)
8 UART_TX CMOS output UART data output
9 UART_RX CMOS input UART data input
10 UART_CTS CMOS input UART clear to send(active low)
11 USB_DN Bi-directional USB data minus
12 USB_DP Bi-directional USB data plus
13 PCM_SYNC Bi-directional Synchronous data sync
14 PCM_IN CMOS input Synchronous data input
15 PCM_CLK Bi-directional Synchronous data clock
16 PCM_OUT CMOS output Synchronous data output
17 PIO[7] Bi-directional Programmable I/O terminal
18 PIO[6] Bi-directional Programmable I/O terminal
19 PIO[5] Bi-directional Programmable I/O terminal
20 PIO[4] Bi-directional Programmable I/O terminal
21 RESETB CMOS input Reset input (Active low)
22 VBAT Power Battery power input
23 V_CHG Power Lithium lion battery charger input
24 GND GND Common ground
25 SPI_MISO CMOS output Serial Peripheral Interface data output
26 SPI_CLK CMOS input Serial Peripheral Interface clock
27 SPI_CSB CMOS input Chip select for Synchronous Serial Interface(active low)
28 SPI_MOSI CMOS input Serial Peripheral Interface data input
29 LED[1] Open drain output Current sink to drive LED
30 LED[0] Open drain output Current sink to drive LED
31 PIO[8] Bi-directional Programmable I/O terminal
32 PIO[9] Bi-directional Programmable I/O terminal
33 PIO[10] Bi-directional Programmable I/O terminal
34 PIO[11] Bi-directional Programmable I/O terminal
35 PIO[3] Bi-directional Programmable I/O terminal
36 PIO[2] Bi-directional Programmable I/O terminal, external CLK_REQ
37 PIO[1] Bi-directional Programmable I/O terminal, TX Enable
38 PIO[0] Bi-directional Programmable I/O terminal, RX Enable
39 GND GND Common ground
40 RF_IO Analogue Antenna interface
41 GND GND Common ground
42 NC No Connection Reserved
43 VREG_EN CMOS input Internal Regulator enable control input
44 SPK_N Analogue Speaker output negative
45 SPK_P Analogue Speaker output positive
46 MIC_N Analogue Microphone input negative
47 MIC_P Analogue Microphone input positive
48 GND GND Common ground