Owner's manual
CobraNet Hardware User’s Manual
Pinout and Signal Descriptions
DS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 11
Version 2.3
4.1.2 CM-2 Connector Pinout
Ta bl e 1 lists the pinout for the four pinout connectors on the CM-2 board (J1-J4). The
interfaces for these signals are expanded following the table.
Table 2. CM-2 Pin Assignments
Conn. Pin # Pin Name Conn. Pin # Pin Name Conn. Pin # Pin Name
J1/J2 A1 UART_RXD J1/J2 B8 GND J3/J4 A15 DAI1_DATA3
J1/J2 A2 UART_TX_OE J1/J2 B9 VCC_+3.3V J3/J4 A16 RSVD3
J1/J2 A3 HACK
J1/J2 B10 GND J3/J4 A17 WATCHDOG
J1/J2 A4 HR/W
J1/J2 B11 VCC_+3.3V J3/J4 A18 RSVD4
J1/J2 A5 HDS
J1/J2 B12 GND J3/J4 A19 AUX_POWER2
J1/J2 A6 HREQ
J1/J2 B13 VCC_+3.3V J3/J4 A20 AUX_POWER0
J1/J2 A7 HEN
J1/J2 B14 GND J3/J4 B1 GND
J1/J2 A8 HADDR0 J1/J2 B15 VCC_+3.3V J3/J4 B2 VCC_+3.3V
J1/J2 A9 HADDR1 J1/J2 B16 GND J3/J4 B3 GND
J1/J2 A10 HADDR2 J1/J2 B17 VCC_+3.3V J3/J4 B4 VCC_+3.3V
J1/J2 A11 HDATA0 J1/J2 B18 RSVD1 J3/J4 B5 GND
J1/J2 A12 HDATA1 J1/J2 B19 GND J3/J4 B6 VCC_+3.3V
J1/J2 A13 HDATA2 J1/J2 B20 VCC_+3.3V J3/J4 B7 GND
J1/J2 A14 HDATA3 J3/J4 A1 RSVD2 J3/J4 B8 VCC_+3.3V
J1/J2 A15 HDATA4 J3/J4 A2 MUTE
J3/J4 B9 GND
J1/J2 A16 HDATA5 J3/J4 A3 FS1 J3/J4 B10 VCC_+3.3V
J1/J2 A17 HDATA6 J3/J4 A4 MCLK_OUT J3/J4 B11 GND
J1/J2 A18 HRESET
J3/J4 A5 MCLK_IN J3/J4 B12 VCC_+3.3V
J1/J2 A19 HDATA7 J3/J4 A6 REFCLK_IN J3/J4 B13 GND
J1/J2 A20 HADDR3 J3/J4 A7 DAO1_SCLK/DAI1_SCLK J3/J4 B14 VCC_+3.3V
J1/J2 B1 UART_TXD J3/J4 A8 DAO1_DATA0 J3/J4 B15 GND
J1/J2 B2 GND J3/J4 A9 DAO1_DATA1 J3/J4 B16 GND
J1/J2 B3 VCC_+3.3V J3/J4 A10 DAO1_DATA2 J3/J4 B17 VCC_+5V
J1/J2 B4 GND J3/J4 A11 DAO1_DATA3 J3/J4 B18 VCC_+5V
J1/J2 B5 VCC_+3.3V J3/J4 A12 DAI1_DATA0 J3/J4 B19 AUX_POWER3
J1/J2 B6 GND J3/J4 A13 DAI1_DATA1 J3/J4 B20 AUX_POWER1
J1/J2 B7 VCC_+3.3V J3/J4 A14 DAI1_DATA2