Pi 2 Design CM4AES Hardware Reference Manual – P0.1
PAGE 18
9.4
P3 – CONSOLE UART, FACTORY USE ONLY
P3 is a 3x1 2.54mm pitch, single row connector It is connected to CM4 UART 1. Pinout
is: Pin1 - TXD (GPIO14); Pin 2 – RXD (GPIO15); and Pin 3 – GND. Note these are TTL
level and have no ESD protection.
9.5
P4 – HDMI
P4 is a standard right angle HDMI female connector and conforms to the industry
standard HDMI Pinout. It is connected to CM4 HDMI Port 0.
9.6
P5 – DSI
P4 is an Amphenol HLW20S-2C7LF 20-Pin 1MM Pitch Flex connector and conforms to
the CM4 DSI Pinout. It is connected to CM4 DSI Port 1.
9.7
P6 – 5V HEADER, FACTORY USE ONLY
P6 is a 2x1 2.54mm pitch, single row connector It is connected to the on-board +5V
Switch Supply. Pinout is: Pin1 - +5V; Pin 2 – GND.
9.8
P7 – DUAL USB
P7 is a standard Dual USB2.0 Host connector and conforms to the industry standard
USB2.0 Pinout. It is connected to the USB2504A USB Hub, Ports 3 (top) and 4
(bottom).
9.9
P8 – GIGABIT ETHERNET
P8 is a standard RJ45 and conforms to the industry Pinout. It is connected to the CM4
Ethernet Port.
9.10
P9 – M.2 2282 NVME
P9 is an industry standard M.2 Connector. The supported NVMe modules are 2282
(22mm x 82mm), “M” or “B” keyed. It is connected to the CM4 PCIe Port.
9.11
P10 – BNC AES SINGLE ENDED
P10 is a right-angle BNC Female. Tis 75-ohm connector carries the single ended AES
Digital Audio output.
9.12
P11 – XLR AES BALANCED
P3 is a 3-Pin XLR Connector. This 100-ohm connector carries the Balanced AES Digital
Audio output.
9.13
P12 – DC INPUT
P12 is a 2x1 2.54mm pitch, JST B2B-XH-A shrouded connector. It is connected to the
Input Power Circuit.
