Figure 3-10. Processor Main Configuration and Control
USBA_N
USBA_P
USBB_N
USBB_P
USBC_N
USBC_P
MIPI_CK_N
MIPI_CK_P
MIPI_D0_N
MIPI_D0_P
MIPI_D1_N
MIPI_D1_P
nRST
WKUP
SHDN
LPM
DIFF100
DIFF100
DIFF100
DIFF100
DIFF100
DIFF100
USBB_CC2
GND
0.1uF
16V
0201
C48
VDDANA
GND
USBB_CC1
GND
GND
nRST_OUT
VDDBU
XIN32
XOUT32
XIN
XOUT
MPU configuration
4.02k
0201
1%
R33
200R
0201
1%
R28
200R
0201
1%
R27
200R
0201
1%
R23
16.9k
0201
1%
R29
20k
0201
1%
R30
20k
0201
1%
R31
16.9k
0201
1%
R32
0402
R26
0402
R25
XIN
J2
XOUT
J1
XIN32
Y13
XOUT32
AA13
SHDN
R9
WKUP0
AA15
JTAGSEL
W15
NRST
J7
TST
AA9
QSPI0_CAL
P16
AUDIOCLK
K7
ADVREFP
G6
HHSA_CC1 D7
HHSA_CC2 G9
MIPI_CLK_P N21
MIPI_CLK_N N20
MIPI_D0_N R18
MIPI_D1_N R20
MIPI_D0_P P18
MIPI_D1_P R21
MIPI_REXT R19
HHSA_DM B3
HHSA_DP A3
HHSA_RTUNE C6
HHSB_CC1 C7
HHSB_CC2 E8
HHSB_DM B4
HHSB_DP A4
HHSB_RTUNE D8
HHSC_DM B6
HHSC_DP A6
HHSC_RTUNE B7
NRST_OUT
H4
SDMMC0_CAL
K15
SDMMC1_CAL
J10
SDMMC2_CAL
D14
LPM
R10
SAMA7G54
U4G
10k
0402
1%
R24
VDD_3V3
DIFF90
DIFF90
DIFF90
DIFF90
DIFF90
DIFF90
TP14
TP15
VDDSDMMC0
VDDSDMMC1
90
Ω
±15% differential trace impedance
Routing top or bottom
90
Ω
±15% differential trace impedance
Routing top or bottom
90
Ω
±15% differential trace impedance
Routing top or bottom
100
Ω
±10% differential trace impedance
Routing top or bottom
Table 3-4. Processor Main Configuration and Control Pins
Pin Name
Type
Used for
XIN
Input
Main clock oscillator input
XOUT
Output
Main clock oscillator output
XIN32
Input
Slow clock oscillator input
XOUT32
Output
Slow clock oscillator output
NRST
Input
Processor main reset input
NRST_OUT
Output
Processor reset output
TST
Input
Reserved for processor manufacturing tests
JTAGSEL
Input
When pulled high enables the JTAG boundary scan
SHDN
Output
Signal used to enable and disable an external power supply circuit
LPM
Output
Signal used to enable and disable the PMIC Low-Power mode
WKUP0
Input
Event detection input pin used to wake up the processor from Shutdown
state
QSPI0_CAL
Input
QSPI calibration
SDMMC0_CAL
Input
SDMMC0 calibration
SDMMC1_CAL
Input
SDMMC1 calibration
SDMMC2_CAL
Input
SDMMC2 calibration
AUDIOCLK
Output
Audio clock output
ADVREFP
Input
Voltage reference for the embedded analog comparator
HHSx_Dx
I/O
Three USB ports embedded inside the MPU
HHSx_RTUNE
Input
USB external tuning
SAMA7G54-EK
Function Blocks
©
2022 Microchip Technology Inc.
and its subsidiaries
User Guide
DS50003273A-page 17