User's Manual
Product Specification
Spec-BM160-V1.3 Page 3 of 7 www.sunitec.com.tw
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Pin Configurations
PIN NO. NAME TYPE FUNCTION RE-MARK
1 AIO1 Bi-directional Programmable input/output line
2 AIO0 Bi-directional Programmable input/output line
3 RESET CMOS input with
weak internal pull-up
Reset if low. Input debounced so must be low for >5ms to
cause a reset
4 GND GND Ground
5 PIO9 Bi-directional Programmable Input/Output Line
6 N/A
7 PIO11 Bi-directional Programmable Input/Output Line
8 PIO12 Bi-directional Programmable Input/Output Line
9 PIO13 Bi-directional Programmable Input/Output Line
10 PIO14 Bi-directional Programmable Input/Output Line
11 N/A
12 GND GND Ground
13 VDD Power 3.3V Supply For 3.3V Version
VDD Power Connect to 1V8 For 1.8V Version
14 VDD_USB Power Positive Supply For UART/USB Port Connect to VDD
15 +1V8 Power +1.8V Supply
16 GND GND Ground
17 N/A
18 N/A
19 UART_RTS CMOS Output UART Request To Send (Active Low)
20 UART_CTS CMOS Input UART Clear To Send (Active Low)
21 UART_RX CMOS Input UART Data Input (Active High)
22 UART_TX CMOS Output UART Data Output (Active High)
23 N/A
24 N/A
25 TEST_EN For test purposes only, Leave unconnected
26 N/A
27 SPI_CSB CMOS Input Chip Select For Synchronous Serial Interface (Active Low)
28 SPI_MISO CMOS Output Serial Peripheral Interface Data Output
29 SPI_CLK CMOS Input Serial Peripheral Interface Data Clock
30 SPI_MOSI CMOS Output Serial Peripheral Interface Data Input
31 VRE_IN Analogue Take high to enable switch-mode regulator
32 VDD_BAT Battery terminal +ve Lithium ion/polymer battery positive terminal. Battery
charger output and input to switch-mode regulator
33 GND GND Ground
34 VDD_CHG Charger input Lithium ion/polymer battery charger input
35 LED1 Open drain output LED Driver
36 LED0 Open drain output LED Driver
37 GND GND Ground
38 SPK_L_N Analogue Speaker output negative, left
39 SPK_L_P Analogue Speaker output positive, left
40 SPK_R_N Analogue Speaker output negative, right
41 SPK_R_P Analogue Speaker output positive, right
42 GND_S Analogue GND Analogue Ground
43 MIC_BIAS Analogue Microphone bias
44 MIC_B_P Analogue Microphone input positive, right
45 MIC_B_N Analogue Microphone input negative, right
46 MIC_A_P Analogue Microphone input positive, left
47 MIC_A_N Analogue Microphone input negative, left
48 GND GND Ground
49 PIO0 Bi-directional Programmable Input/Output Line
50 PIO1 Bi-directional Programmable Input/Output Line
51 PIO2 Bi-directional Programmable Input/Output Line
52 PIO3 Bi-directional Programmable Input/Output Line
53 PIO4 Bi-directional Programmable Input/Output Line
54 PIO5 Bi-directional Programmable Input/Output Line
55 PIO6 Bi-directional Programmable Input/Output Line
56 PIO7 Bi-directional Programmable Input/Output Line
57 PIO8 Bi-directional Programmable Input/Output Line
58 GND GND Ground
59 RF-IN RF RF Interface
60 GND GND Ground