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PCM-072/phyCORE-AM64xx System on Module
L-860e.A0
© PHYTEC America L.L.C. 2022
92
11 System Interfaces
The following sub-sections detail the signals brought out to the phyCORE connectors from the MAIN and MCU interfaces
of the AM64xx processor.
11.1 MAIN Pinout
Table 57 MAIN Connections at the phyCORE-Connector
Processor
Signal
X1 Pin #(
s)
SOM Signal(
s)
Type Level Description
CLKOUT0
D42
X_EXT_REFCLK1
O
3.3V
1
Clock Output (50 MHz)
C58
X_PRG1_PRU0_GPO7
EXTINTn
D68
X_RTC_INT
I
3.3V
1
External Interrupt
EXT_REFCLK1
D42
X_EXT_REFCLK1
I
3.3V
1
External clock input to Main Domain
GPMC0_FCLK_MUX D4
X_GPMC0_CLK
O
3.3V
1
GPMC functional clock output
OBSCLK0
D17
X_MCAN1_RX
O
3.3V
1
Observation clock output for test and debug
PORz_OUT
B10
X_PORz_OUT
O
3.3V
1
Main Domain POR status output
RESETSTATz
B12
X_RESETSTATz
O
3.3V
1
Main Domain warm reset status output
RESET_REQz
B11
X_RESET_REQz
I
3.3V
1
Main Domain external warm reset request
input
SYSCLKOUT0
D18
X_MCAN1_TX
O
3.3V
1
SYSCLK0 output from Main PLL controller for
test and debug
1
:
The voltage level for this signal is configurable for 1.8V or 3.3V. The default voltage level is listed here, but always check the actual jumper setting for the applicable
SOM configuration. Refer to section
for details
11.2 MCU Pinout
Table 58 MCU Connections at the phyCORE-Connector
Processor Signal X1 Pin #(
s)
SOM Signal(
s)
Type Level Description
MCU_OBSCLK0
D48
X_MCU_SPI0_CS1
O
3.3V
1
Observation clock output for test and debug
D26
X_EMU1
MCU_RESETSTATz
B7
X_MCU_RESETSTATz
O
3.3V
1
MCU Domain warm reset status output
MCU_RESETz
B8
X_MCU_RESETz
I
3.3V
1
MCU Domain warm reset
MCU_SAFETY_ERRORn D46
X_MCU_SAFETY_ERRORn
I/O
1.8V
Error signal output from MCU Domain ESM
MCU_SYSCLKOUT0
D48
X_MCU_SPI0_CS1
O
3.3V
1
MCU Domain system clock output for test and
debug
1
:
The voltage level for this signal is configurable for 1.8V or 3.3V. The default voltage level is listed here, but always check the actual jumper setting for the applicable
SOM configuration. Refer to section
for details