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PCM-065/phyCORE-i.MX8X System on Module
L-864e.A1
© PHYTEC America LLC, 2021
40
Table 16. OSPI0 Connections at the phyCORE-Connector
X1 Pin #
SOM Signal
Type
Level
Processor Ball
Description
C1
X_QSPI0A_SS0_B
O
1.8V
AM12
QSPI0A Slave Select 0
C2
X_QSPI0A_SS1_B
O
1.8V
AK12
QSPI0A Slave Select 1
C3
X_QSPI0A_SCLK
O
1.8V
AP12
QSPI0A Clock
C4
X_QSPI0A_DQS
I
1.8V
AK10
QSPI0A Data Strobe
D1
X_QSPI0_DATA0
I/O
1.8V
AK14
QSPI0 Data 0
D2
X_QSPI0_DATA1
I/O
1.8V
AR13
QSPI0 Data 1
D3
X_QSPI0_DATA2
I/O
1.8V
AJ13
QSPI0 Data 2
D4
X_QSPI0_DATA3
I/O
1.8V
AH12
QSPI0 Data 3
C6
X_QSPI0B_SS0_B
O
1.8V
AH10
QSPI0B Slave Select 0
C7
X_QSPI0B_SS1_B
O
1.8V
AJ9
QSPI0B Slave Select 1
C8
X_QSPI0B_SCLK
O
1.8V
AR11
QSPI0B Clock
C9
X_QSPI0B_DQS
I
1.8V
AL11
QSPI0B Data Strobe
D6
X_QSPI0_DATA4
I/O
1.8V
AM10
QSPI0 Data 4
D7
X_QSPI0_DATA5
I/O
1.8V
AL9
QSPI0 Data 5
D8
X_QSPI0_DATA6
I/O
1.8V
AJ11
QSPI0 Data 6
D9
X_QSPI0_DATA7
I/O
1.8V
AM8
QSPI0 Data 7
4.6
SD/MMC/SDIO
The i.MX8X processor provides two Secure Digital/MultiMedia Card interfaces as EMMC0 and USDHC1. Only
USDHC1 is accessible at the phyCORE-Connector as the EMMC0 interface is connected to the on-board eMMC
at U4. The USDHC1 port provides a 4-bit wide data bus that supports embedded MultiMedia Card 5.1, SD Host
Processor Standard Specification 3.0, SD Physical Layer Specification v3.0 UHS-I (SDR104/DDR50), and SDIO
specification v3.0.
Table 17. MMC1 Connections at the phyCORE-Connector
X1 Pin # SOM Signal
Type
Level Processor Ball Description
A8
X_USDHC1_VSELECT/NAND_RE_P
O
3.3V
1
A25
USDHC1 Voltage Select
A9
X_USDHC1_WP/NAND_DQS_N
O
3.3V
1
D24
USDHC1 Write Protect
A10
X_USDHC1_CD_B/NAND_DQS_P
I
3.3V
1
E23
USDHC1 Card Detection
A11
X_USDHC1_RESET_B/NAND_RE_N
O
3.3V
1
B24
USDHC1 Reset
A13
X_USDHC1_DATA3/NAND_ALE
I/O
3.3V
2
E25
USDHC1 Data 3
A14
X_USDHC1_DATA2/NAND_WE_B
I/O
3.3V
2
D26
USDHC1 Data 2
A15
X_USDHC1_DATA1/NAND_RE_B
I/O
3.3V
2
B26
USDHC1 Data 1
A16
X_USDHC1_DATA0/NAND_CE1_B
I/O
3.3V
2
A27
USDHC1 Data 0
A18
X_USDHC1_CLK
O
3.3V
2
G23
USDHC1 Clock
A19
X_USDHC1_CMD
O
3.3V
2
C25
USDHC1 Command
1:
The voltage level for these signals are configurable between 1.8V and 3.3V via jumper J9. In general J9 is set at the factory and should not be
adjusted. The default voltage level is listed here, but always check the actual jumper setting for the applicable SOM configuration. Refer to the
section for details
2:
The voltage level for these signals is configurable between 1.8V and 3.3V via the PMIC LDO2 domain
.