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SAMA5D27 Datasheet(PDF) 24 Page - Microchip Technology

Part # SAMA5D27
Description  SAMA5D27 MPU, 1Gbit (128MB) DDR2 SDRAM, 10/100 Ethernet PHY, 64Mbit (8MB) Flash, Power Management IC, 1Kbit EEPROM
PDF  55 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

SAMA5D27 Datasheet(HTML) 24 Page - Microchip Technology

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Pad No.
Power Rail
I/O Type
Primary
Alternate
PIO Peripheral
Reset State
(Signal, Dir, PU, PD, HiZ, ST)
Signal
Dir
Signal
Dir
Func
Signal
Dir
IO Set
54(2)
VDDIN_3V3
GPIO_AD
PD30
I/O
AD11
–
A
SPI1_NPCS2
O
3
PIO, I, PU, ST
B
TMS
I
3
C
FLEXCOM2_IO4
O
2
D
TIOB3
I/O
3
N/A(1)
VDDIN_3V3
GPIO_AD
PD31
I/O
–
–
C
IRQ
I
4
PIO, I, PU, ST
Notes: 
1.
Fixed feature due to the SOM internal connection.
2.
Limited feature compared to SAMA5D2 due to the SOM internal use of specific functionality, for example,
QSPI, GMAC.
3.
Limited feature compared to SAMA5D2 due to the use of a part of the functionality for other features in the
SOM, for example, GMAC, ISC, Flexcom, etc.
4.2.5
System Pin Description
Table 4-5. System-On-Module Pin Description: System
Pin Number
PIO
Power Rail
Designation
Type
61
CLK_AUDIO
VDDIN_3V3
Audio clock
Output
64
COMPN
VDDBU
External analog comparator input
Input
63
COMPP
VDDBU
External analog comparator input
Input
126
DIS_BOOT
VDDIN_3V3
QSPI Interface Disable pin
Input
67
USBA_M
VDDIN_3V3
USB Device High-speed Data -
–
68
USBA_P
VDDIN_3V3
USB Device High-speed Data +
–
70
USBB_M
VDDIN_3V3
USB Host Port B High-speed Data -
–
71
USBB_P
VDDIN_3V3
USB Host Port B High-speed Data +
–
74
DATA
VDDHSIC
USB High-speed Inter-Chip Data
–
73
STROBE
VDDHSIC
USB High-speed Inter-Chip Strobe
–
60
NRST
VDDIN_3V3
Microprocessor reset
Input / Active Low
33
PIOBU1
VDDBU
Tamper or Wake-up input
Input
44
PIOBU2
VDDBU
Tamper or Wake-up input
Input
48
PIOBU3
VDDBU
Tamper or Wake-up input
Input
47
PIOBU4
VDDBU
Tamper or Wake-up input
Input
46
PIOBU5
VDDBU
Tamper or Wake-up input
Input
59
PIOBU6
VDDBU
Tamper or Wake-up input
Input
45
PIOBU7
VDDBU
Tamper or Wake-up input
Input
32
RXD
VDDBU
Low-Power Asynchronous Receiver
Input
35
SHDN
VDDBU
Shutdown Control
Output
49
WKUP
VDDBU
Wake-up
Input
36
ETH_LED0
VDDIN_3V3
Status LED control for Ethernet ports
Output
SAMA5D27 SOM1
Pinout
© 2020 Microchip Technology Inc.
Datasheet
DS60001521D-page 24



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