EMAC SoM-A5D36, Руководство пользователя

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SoM-A5D36 User Manual
Revision 1.30 © 2015 - 15 -
The additional 2 serial ports are available through the alternative multiplexed SoM pins.
Table 13: Additional Serial Ports
SODIMM
Pin#
SoM
Pin Name
Processor
Pin Name(s)
Port Line Pin Description
29 I2C_CLK UTXD1 PA31
UART 1 Transmit Data
30 I2C_DAT URXD1 PA30
UART 1 Receive Data
113 COMD_RTS UTXD0 PC30
UART 0 Transmit Data
112 COMD_CTS URXD0 PC29
UART 0 Receive Data
2.4.9 I2S
The ATSAMA5D36 provides an I2S audio port which is accommodated within the SoM specification. Note
that there is no CODEC on the SoM and therefore must be provided on the Carrier. In addition, the CODEC
will require either SPI or I2C for control.
Table 14: I2S
SODIMM
Pin#
SoM
Pin Name
Processor
Pin Name(s)
Port Line Description
86 AudioA_SCLK TK0
PC16 I2S Serial Clock
87 AudioA_LRCLK/Frame TF0
PC17 I2S Left / Right Clock
88 AudioA_MCLK *
* I2S Master Clock
89 AudioA_DIN RD0
PC21 I2S Data Input
90 AudioA_DOUT TD0
PC18 I2S Data Output
*The Master clock is driven On-Module by a 12.288 MHz oscillator to produce the 12.288 MHz Master
clock. This oscillator is off by default and must be turned on via setting GPIO port line PC19 High. To reduce
power the oscillator should be turned off when not required.
2.4.10 CAN
The SoM-200 specification provides for one CAN port. The SoM-A5D36 has two CAN ports. One is available
through the SoM pin specification and the other is available through shared pins.
Table 15: CAN
SODIMM
Pin#
SoM
Pin Name
Processor
Pin Name(s)
Port Line Pin Description
93 CANTX CANTX1
PB15 CAN Transmit
94 CANRX CANRX1
PB14 CAN Receive