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Module2026Raspberry Pi Ltd

Raspberry Pi Compute Module Zero (CM0 / CM0Lite)

Compact 39mm x 33mm System-on-Module based on Raspberry Pi Zero 2 W with RP3A0 SiP (quad-core 64-bit BCM2837 @ 1GHz, 512MB LPDDR2, optional 8GB/16GB eMMC or Lite) featuring 132 castellated edge pins at 1mm pitch.

Aliase:CM0, CM0Lite, Compute Module Zero, RP3A0 SoM, 132-pin Raspberry Pi
Raspberry Pi Compute Module Zero Datasheet (PDF)Official Raspberry Pi Documentation

132-Pin Castellated Edge Pinout (Top View)

132 Pins
Raspberry Pi Compute Module Zero 39 mm × 33 mm • RP3A0 SiP • 132-Pin Castellated Edge Connector Raspberry Pi RP3A0-AU 2148 000 Quad Cortex-A53 1GHz 512MB LPDDR2 CYW43439 2.4GHz Wi-Fi + BT 5.0 FCC ID: 2ABCB-RPIZ2 IC: 20953-RPIZ2 U.FL / IPEX-1 1R0 2R2 132 Castellated Contacts (1.0 mm Pitch) Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Pin 7 Pin 8 Pin 9 Pin 10 Pin 11 Pin 12 Pin 13 Pin 14 Pin 15 Pin 16 Pin 17 Pin 18 Pin 19 Pin 20 Pin 21 Pin 22 Pin 23 Pin 24 Pin 25 Pin 26 Pin 27 Pin 28 Pin 29 Pin 30 Pin 31 Pin 32 Pin 33 Pin 34 Pin 35 Pin 36 Pin 37 Pin 38 Pin 39 Pin 40 Pin 41 Pin 42 Pin 43 Pin 44 Pin 45 Pin 46 Pin 47 Pin 48 Pin 49 Pin 50 Pin 51 Pin 52 Pin 53 Pin 54 Pin 55 Pin 56 Pin 57 Pin 58 Pin 59 Pin 60 Pin 61 Pin 62 Pin 63 Pin 64 Pin 65 Pin 66 Pin 67 Pin 68 Pin 69 Pin 70 Pin 71 Pin 72 Pin 73 Pin 74 Pin 75 Pin 76 Pin 77 Pin 78 Pin 79 Pin 80 Pin 81 Pin 82 Pin 83 Pin 84 Pin 85 Pin 86 Pin 87 Pin 88 Pin 89 Pin 90 Pin 91 Pin 92 Pin 93 Pin 94 Pin 95 Pin 96 Pin 97 Pin 98 Pin 99 Pin 100 Pin 101 Pin 102 Pin 103 Pin 104 Pin 105 Pin 106 Pin 107 Pin 108 Pin 109 Pin 110 Pin 111 Pin 112 Pin 113 Pin 114 Pin 115 Pin 116 Pin 117 Pin 118 Pin 119 Pin 120 Pin 121 Pin 122 Pin 123 Pin 124 Pin 125 Pin 126 Pin 127 Pin 128 Pin 129 Pin 130 Pin 131 Pin 132 Pin 1 Pin 100 Pin 67 Pin 34
Pinout Table132
PinSignal / NameTypeAlternative Functions
1GNDGround
Ground (0 V)
2DSI_D3_PDigital
DSI Display Data 3 Positive (Differential)
3DSI_D3_NDigital
DSI Display Data 3 Negative (Differential)
4GNDGround
Ground (0 V)
5DSI_D2_PDigital
DSI Display Data 2 Positive (Differential)
6DSI_D2_NDigital
DSI Display Data 2 Negative (Differential)
7GNDGround
Ground (0 V)
8DSI_CK_PDigital
DSI Display Clock Positive (Differential)
9DSI_CLK_NDigital
DSI Display Clock Negative (Differential)
10GNDGround
Ground (0 V)
11DSI_D1_PDigital
DSI Display Data 1 Positive (Differential)
12DSI_D1_NDigital
DSI Display Data 1 Negative (Differential)
13GNDGround
Ground (0 V)
14DSI_D0_PDigital
DSI Display Data 0 Positive (Differential)
15DSI_D0_NDigital
DSI Display Data 0 Negative (Differential)
16GNDGround
Ground (0 V)
17HDMI_HPDDigital
Input HDMI Hotplug Detect (internally pulled down 100k, 5V tolerant)
18HDMI_SDADigital
Bidirectional HDMI I2C SDA (internally pulled up 1.8k to 3.3V, 5V tolerant)
19HDMI_SCLDigital
Bidirectional HDMI I2C SCL (internally pulled up 1.8k to 3.3V, 5V tolerant)
20HDMI_CECDigital
HDMI Consumer Electronics Control (internally pulled up 27k, 5V tolerant)
21GNDGround
Ground (0 V)
22HDMI_CK_NDigital
Output HDMI Clock Negative
23HDMI_CK_PDigital
Output HDMI Clock Positive
24GNDGround
Ground (0 V)
25HDMI_D0_NDigital
Output HDMI TX0 Negative
26HDMI_D0_PDigital
Output HDMI TX0 Positive
27GNDGround
Ground (0 V)
28HDMI_D1_NDigital
Output HDMI TX1 Negative
29HDMI_D1_PDigital
Output HDMI TX1 Positive
30GNDGround
Ground (0 V)
31HDMI_D2_NDigital
Output HDMI TX2 Negative
32HDMI_D2_PDigital
Output HDMI TX2 Positive
33GNDGround
Ground (0 V)
34GNDGround
Ground (0 V)
35USB_NDigital
USB 2.0 High-Speed Differential Data Negative (D-)
36USB_PDigital
USB 2.0 High-Speed Differential Data Positive (D+)
37GNDGround
Ground (0 V)
38USB_OTGDigital
USB OTG ID Pin (internally pulled up; ground for USB Host mode)
39CVBSAnalog
Analog Composite Video Output (requires 75 Ohm termination)
40GNDGround
Ground (0 V)
41CM0_3.3VPower
Regulated 3.3V Power Output (max 300mA per pin, 600mA total)
42SDA0Digital
I2C Data Pin (GPIO44, used for camera/display; 1.8k pullup)
43SCL0Digital
I2C Clock Pin (GPIO45, used for camera/display; 1.8k pullup)
44CAM_GPIODigital
Camera Control Signal / GPIO40 (3.3V signal)
45GNDGround
Ground (0 V)
46CSI_D3_PDigital
CSI Camera Data 3 Positive (Differential)
47CSI_D3_NDigital
CSI Camera Data 3 Negative (Differential)
48GNDGround
Ground (0 V)
49CSI_D2_PDigital
CSI Camera Data 2 Positive (Differential)
50CSI_D2_NDigital
CSI Camera Data 2 Negative (Differential)
51GNDGround
Ground (0 V)
52CSI_CK_PDigital
CSI Camera Clock Positive (Differential)
53CSI_CK_NDigital
CSI Camera Clock Negative (Differential)
54GNDGround
Ground (0 V)
55CSI_D1_PDigital
CSI Camera Data 1 Positive (Differential)
56CSI_D1_NDigital
CSI Camera Data 1 Negative (Differential)
57GNDGround
Ground (0 V)
58CSI_D0_PDigital
CSI Camera Data 0 Positive (Differential)
59CSI_D0_NDigital
CSI Camera Data 0 Negative (Differential)
60GNDGround
Ground (0 V)
61RUN_PGDigital
Bidirectional Reset / Power Good (drive low via 220 Ohm to reset)
62GLOBAL_ENDigital
Global Power Enable Input (drive low to power off; internal 10k to 5V)
63GNDGround
Ground (0 V)
64CM0_1.8VPower
Regulated 1.8V Power Output (max 300mA per pin, 600mA total)
65CM0_1.8VPower
Regulated 1.8V Power Output (max 300mA per pin, 600mA total)
66GNDGround
Ground (0 V)
675VPower
Main 5V DC Power Input (4.75V to 5.25V)
685VPower
Main 5V DC Power Input (4.75V to 5.25V)
69GNDGround
Ground (0 V)
70NCNC
Do not connect / Reserved
71NCNC
Do not connect / Reserved
72GNDGround
Ground (0 V)
73GPIO21Digital
General Purpose I/O Pin 21 (PCM_DOUT / SPI1_SCLK / GPCLK1)
74GPIO20Digital
General Purpose I/O Pin 20 (PCM_DIN / SPI1_MOSI / GPCLK0)
75GNDGround
Ground (0 V)
76GPIO26Digital
General Purpose I/O Pin 26
77GPIO16Digital
General Purpose I/O Pin 16 (SPI1_CS2 / UART0_CTS)
78GNDGround
Ground (0 V)
79GPIO19Digital
General Purpose I/O Pin 19 (PCM_FS / SPI1_MISO / PWM1)
80GPIO13Digital
General Purpose I/O Pin 13 (PWM1 / DPI_D9)
81GNDGround
Ground (0 V)
82GPIO12Digital
General Purpose I/O Pin 12 (PWM0 / DPI_D8)
83GPIO6Digital
General Purpose I/O Pin 6 (GPCLK2 / DPI_D2)
84GNDGround
Ground (0 V)
85GPIO5Digital
General Purpose I/O Pin 5 (GPCLK1 / DPI_D1)
86ID_SCDigital
HAT EEPROM I2C Clock / GPIO1
87GNDGround
Ground (0 V)
88ID_SDDigital
HAT EEPROM I2C Data / GPIO0
89GPIO7Digital
General Purpose I/O Pin 7 (SPI0_CE1_N / DPI_D3)
90GNDGround
Ground (0 V)
91GPIO8Digital
General Purpose I/O Pin 8 (SPI0_CE0_N / DPI_D4)
92GPIO11Digital
General Purpose I/O Pin 11 (SPI0_SCLK / DPI_D7)
93GNDGround
Ground (0 V)
94GPIO25Digital
General Purpose I/O Pin 25
95GPIO9Digital
General Purpose I/O Pin 9 (SPI0_MISO / DPI_D5)
96GNDGround
Ground (0 V)
97GPIO10Digital
General Purpose I/O Pin 10 (SPI0_MOSI / DPI_D6)
98GPIO24Digital
General Purpose I/O Pin 24
99GNDGround
Ground (0 V)
100GNDGround
Ground (0 V)
101GPIO23Digital
General Purpose I/O Pin 23
102GPIO22Digital
General Purpose I/O Pin 22
103GNDGround
Ground (0 V)
104GPIO27Digital
General Purpose I/O Pin 27
105GPIO18Digital
General Purpose I/O Pin 18 (PCM_CLK / PWM0)
106GNDGround
Ground (0 V)
107GPIO17Digital
General Purpose I/O Pin 17 (SPI1_CS1 / UART0_RTS)
108GPIO15Digital
General Purpose I/O Pin 15 (UART0_RXD / UART1_RXD)
109GNDGround
Ground (0 V)
110GPIO14Digital
General Purpose I/O Pin 14 (UART0_TXD / UART1_TXD)
111GPIO4Digital
General Purpose I/O Pin 4 (GPCLK0 / DPI_D0)
112GNDGround
Ground (0 V)
113GPIO3Digital
General Purpose I/O Pin 3 (I2C1_SCL / 1.8k pull-up)
114GPIO2Digital
General Purpose I/O Pin 2 (I2C1_SDA / 1.8k pull-up)
115GNDGround
Ground (0 V)
116WiFi_ONDigital
Wi-Fi Power Enable (drive low to disable Wi-Fi; internal 10k pull-up)
117BT_ONDigital
Bluetooth Power Enable (drive low to disable BT; internal 10k pull-up)
118LED_nACTDigital
Active-Low System Activity LED Signal (max 5mA)
119CM0_3.3VPower
Regulated 3.3V Power Output (max 300mA per pin, 600mA total)
120GPIO_VREFDigital
GPIO Bank Voltage Supply Input (Connect to CM0_3.3V or CM0_1.8V)
121nRPI_BOOTDigital
Force USB Bootloader Mode (pull low to boot over USB)
122SD_VREFDigital
SDIO Interface Voltage Reference (CM0Lite: connect to 3.3V or 1.8V)
123GNDGround
Ground (0 V)
124SD_DAT1Digital
SDIO Data Line 1 (CM0Lite only)
125SD_DAT0Digital
SDIO Data Line 0 (CM0Lite only)
126GNDGround
Ground (0 V)
127SD_CLKDigital
SDIO Clock Signal (CM0Lite only)
128SD_CMDDigital
SDIO Command / Response Signal (CM0Lite only)
129GNDGround
Ground (0 V)
130SD_DAT3Digital
SDIO Data Line 3 (CM0Lite only)
131SD_DAT2Digital
SDIO Data Line 2 (CM0Lite only)
132GNDGround
Ground (0 V)

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