APIM2

Description

APIM2 is simple mikroBUS™ socket and M.2 E-Key slot adapter for Raspberry Pi™

APIM2 is a module adapter board for ALFA Network's 802.11ah WiFi HaLow™ module. Can be used for AHMB6108S mikroBUS™ module and AHM26108D M.2 E-Key module.
APIM2 makes it easy to use 802.11ah WiFi HaLow™ modules on Raspberry Pi™ single board computers.

Key Features

Raspberry Pi™ 40-pin GPIO connector
mikroBUS™ socket with SPI, I2C and UART support
M.2/NGFF 2230 E-Key slot with SDIO and UART support
4 × mounting hole

Specifications

Compatibility	Raspberry Pi™ 3B+ / 4B
Bus support in mikroBUS™ socket	SPI I2C UART
Bus support in M.2 E-Key slot	SDIO UART
Dimensions	65 × 56 × 19 mm

mikroBUS™ socket pin definition

M.2/NGFF 2230 E-Key slot pin definition

Top		Bottom
75	GND	+3.3V	74
73	NC	+3.3V	72
71	NC	NC	70
69	GND	NC	68
67	NC	NC	66
65	NC	NC	64
63	GND	NC	62
61	NC	NC	60
59	NC	NC	58
57	GND	NC	56
55	NC	NC	54
53	NC	NC	52
51	GND	NC	50
49	NC	NC	48
47	NC	NC	46
45	GND	NC	44
43	NC	NC	42
41	NC	NC	40
39	GND	M2_BUSY	38
37	NC	NC	36
35	NC	NC	34
33	GND	M2_TXD5	32
Mechanical Key
23	M2_SDIO_RESET_N	M2_RXD5	22
21	M2_SDIO_WAKE_N	NC	20
19	M2_SDIO_DATA3	GND	18
17	M2_SDIO_DATA2	NC	16
15	M2_SDIO_DATA1	NC	14
13	M2_SDIO_DATA0	NC	12
11	M2_SDIO_CMD	NC	10
9	M2_SDIO_CLK	NC	8
7	GND	M2_LED1_N	6
5	NC	+3.3V	4
3	NC	+3.3V	2
1	GND

40 pin GPIO connector pin definition

1	+3.3V	+5V	2
3	NC	+5V	4
5	GPIO3 (M2_SDIO_WAKE_N)	GND	6
7	GPIO4 (MB_RESET_N)	GPIO14 (MB_TXD0)	8
9	GND	GPIO15 (MB_RXD0)	10
11	GPIO17 (MB_WAKE)	NC	12
13	GPIO27 (M2_SDIO_D3)	GND	14
15	GPIO22 (M2_SDIO_CLK)	GPIO23 (M2_SDIO_CMD)	16
17	+3.3V	GPIO24 (M2_SDIO_D0)	18
19	GPIO10 (MB_MOSI)	GND	20
21	GPIO9 (MB_MISO)	GPIO25 (M2_SDIO_D1)	22
23	GPIO11 (MB_SCLK)	GPIO8 (MB_CS_N)	24
25	GND	GPIO7 (M2_BUSY)	26
27	GPIO0 (MB_SDA)	GPIO1 (MB_SCL)	28
29	GPIO5 (M2_SDIO_RESET_N)	GND	30
31	GPIO6 (MB_IRQ_N)	GPIO12 (M2_TXD5)	32
33	GPIO13 (M2_RXD5)	GND	34
35	NC	GPIO16 (MB_BUSY)	36
37	GPIO26 (M2_SDIO_D2)	NC	38
39	GND	NC	40