Maestro A2100-A Manual do Utilizador Página 19

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V1.2 – May-11 User’s Manual Page 19 of 37
5 Pin-out Information
5.1 Layout A2100-A
12
13
14
15
16
17
18
19
20
21
22
11
10
9
8
7
6
5
4
3
2
1
GND GND GND
GND
GND GND GND
GND GND
1 nRST [IN – 3.3V]
2 BOOTSEL [IN – 1.8V]
3 Vcc 3.3V [PWRIN]
6 GND
7 GND
8 GPIO6 / SPI CLK [IN – 3.3V]
9 GPIO7 / SPI CS [IN – 3.3V]
10 N.C.
11 N.C.ANT [IN – RF] 12
ANT_GND 13
RX0 / SPI DI [IN – 3.3V] 22
N.C. 14
TM_GPIO5 [OUT – 1.8V] 16
VANT [IN – 3.3 to 5VDC] 15
4 WAKEUP [OUT – 3.3V]
5 Vout [OUT – 1.8V]
TX0 / SPI DO [OUT – 3.3V] 21
I2C CLK [OUT – 1.8V] 17
I2C DIO [I/O – 1.8V] 18
ON_OFF [IN – 3.3V] 19
ExtInt [IN – 1.8V] 20
Bottom
12
13
14
15
16
17
18
19
20
21
22
11
10
9
8
7
6
5
4
3
2
1
GND GND GND
GND
GND GND GND
GND GND
1 nRST [IN – 3.3V]
2 BOOTSEL [IN – 1.8V]
3 Vcc 3.3V [PWRIN]
6 GND
7 GND
8 GPIO6 / SPI CLK [IN – 3.3V]
9 GPIO7 / SPI CS [IN – 3.3V]
10 N.C.
11 N.C.ANT [IN – RF] 12
ANT_GND 13
RX0 / SPI DI [IN – 3.3V] 22
N.C. 14
TM_GPIO5 [OUT – 1.8V] 16
VANT [IN – 3.3 to 5VDC] 15
4 WAKEUP [OUT – 3.3V]
5 Vout [OUT – 1.8V]
TX0 / SPI DO [OUT – 3.3V] 21
I2C CLK [OUT – 1.8V] 17
I2C DIO [I/O – 1.8V] 18
ON_OFF [IN – 3.3V] 19
ExtInt [IN – 1.8V] 20
12
13
14
15
16
17
18
19
20
21
22
12
13
14
15
16
17
18
19
20
21
22
11
10
9
8
7
6
5
4
3
2
1
11
10
9
8
7
6
5
4
3
2
1
GND GND GND
GND
GND GND GND
GND GND
GND GND GND
GND
GND GND GND
GND GND
1 nRST [IN – 3.3V]
2 BOOTSEL [IN – 1.8V]
3 Vcc 3.3V [PWRIN]
6 GND
7 GND
8 GPIO6 / SPI CLK [IN – 3.3V]
9 GPIO7 / SPI CS [IN – 3.3V]
10 N.C.
11 N.C.ANT [IN – RF] 12
ANT_GND 13
RX0 / SPI DI [IN – 3.3V] 22
N.C. 14
TM_GPIO5 [OUT – 1.8V] 16
VANT [IN – 3.3 to 5VDC] 15
4 WAKEUP [OUT – 3.3V]
5 Vout [OUT – 1.8V]
TX0 / SPI DO [OUT – 3.3V] 21
I2C CLK [OUT – 1.8V] 17
I2C DIO [I/O – 1.8V] 18
ON_OFF [IN – 3.3V] 19
ExtInt [IN – 1.8V] 20
Bottom
Pin 1 marker
Figure 9: Pin-out information (bottom view) A2100-A
Green Description: Host interface pins
Red Description: MEMS interface pins (Firmware405 just supports KXSD9)
Blue Description: Other
Center Ground pins are for shock / vibration resistance purpose.
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