PCM-072/phyCORE-AM64xx System on Module
L-860e.A0
© PHYTEC America L.L.C. 2022
43
Processor Signal
X1 Pin #(s)
SOM Signal(s)
Type
Level
Description
GPMC0_AD13
C13
X_GPMC0_AD13/BOOTMODE_13
3
(100K pullup/pulldown network)
I/O
3.3V
1
GPMC Data 13 Input/Output
GPMC0_AD14
C14
X_GPMC0_AD14/BOOTMODE_14
3
(100K pullup/pulldown network)
I/O
3.3V
1
GPMC Data 14 Input/Output
GPMC0_AD15
C16
X_GPMC0_AD15/BOOTMODE_15
3
(100K pullup/pulldown network)
I/O
3.3V
1
GPMC Data 15 Input/Output
GPMC0_AD16
C52
X_PRG1_RGMII1_RD0
I/O
3.3V
1
GPMC Data 16 Input/Output
GPMC0_AD17
C51
X_PRG1_RGMII1_RD1
I/O
3.3V
1
GPMC Data 17 Input/Output
GPMC0_AD18
C49
X_PRG1_RGMII1_RD2
I/O
3.3V
1
GPMC Data 18 Input/Output
GPMC0_AD19
C48
X_PRG1_RGMII1_RD3
I/O
3.3V
1
GPMC Data 19 Input/Output
GPMC0_AD20
C56
X_PRG1_RGMII1_RXC
I/O
3.3V
1
GPMC Data 20 Input/Output
GPMC0_AD21
B58
X_PRG1_PRU0_GPO5
I/O
3.3V
1
GPMC Data 21 Input/Output
GPMC0_AD22
C57
X_PRG1_RGMII1_RXC
I/O
3.3V
1
GPMC Data 22 Input/Output
GPMC0_AD23
C58
X_PRG1_PRU0_GPO7
I/O
3.3V
1
GPMC Data 23 Input/Output
GPMC0_AD24
B43
X_PRG1_PRU0_GPO8
I/O
3.3V
1
GPMC Data 24 Input/Output
GPMC0_AD25
D58
X_CPSW_RGMII1_TX_CTL
2
I/O
3.3V
1
GPMC Data 25 Input/Output
GPMC0_AD26
D59
X_CPSW_RGMII1_TXC
2
I/O
3.3V
1
GPMC Data 26 Input/Output
GPMC0_AD27
C61
X_PRG1_RGMII1_TD0
I/O
3.3V
1
GPMC Data 27 Input/Output
GPMC0_AD28
C62
X_PRG1_RGMII1_TD1
I/O
3.3V
1
GPMC Data 28 Input/Output
GPMC0_AD29
C63
X_PRG1_RGMII1_TD2
I/O
3.3V
1
GPMC Data 29 Input/Output
GPMC0_AD30
C64
X_PRG1_RGMII1_TD3
I/O
3.3V
1
GPMC Data 30 Input/Output
GPMC0_AD31
C67
X_PRG1_RGMII1_TX_CTL
I/O
3.3V
1
GPMC Data 31 Input/Output
GPMC0_BE0n_CLE
C28
X_GPMC0_BE0n_CLE
O
3.3V
1
GPMC Lower-Byte Enable (active low) or
Command Latch Enable
GPMC0_BE1n
C23
X_GPMC0_BE1n
O
3.3V
1
GPMC Upper-Byte Enable (active low)
GPMC0_BE2n
C66
X_PRG1_RGMII1_TXC
O
3.3V
1
GPMC Upper-Byte Enable (active low)
GPMC0_BE3n
D64
X_CPSW_RGMII1_TD3
2
O
3.3V
1
GPMC Upper-Byte Enable (active low)
GPMC0_CSn0
C24
X_GPMC0_CSn0
O
3.3V
1
GPMC Chip Select 0 (active low)
GPMC0_CSn1
C21
X_GPMC0_CSn1
O
3.3V
1
GPMC Chip Select 1 (active low)
GPMC0_CSn2
C26
X_GPMC0_CSn2
O
3.3V
1
GPMC Chip Select 2 (active low)
GPMC0_CSn3
C18
X_GPMC0_CSn3
O
3.3V
1
GPMC Chip Select 3 (active low)
GPMC0_WAIT0
C19
X_GPMC0_WAIT0
I
3.3V
1
GPMC External Indication of Wait
GPMC0_WAIT1
C22
X_GPMC0_WAIT1
I
3.3V
1
GPMC External Indication of Wait
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
2:
Do not use this signal if the on-board ethernet PHY is populated
3:
This signal should not be driven during reset. More information can be found in section
6.2.2 SD/MMC/SDIO
The AM64xx processor provides two Secure Digital/MultiMedia Card interfaces as MMC0 and MMC1. Only MMC1(SDIO)
is accessible at the phyCORE-Connector as the MMC0 interface is connected to the on-board eMMC. The MMC1 port
provides a 4-bit wide data bus that supports SD Host Controller Standard Specification 4.10, SD Physical Layer Specification
v3.01, and SDIO Specification v3.00.