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SAMA5D27 Datasheet(PDF) 31 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) 31 Page - Microchip Technology

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Table 5-1. Other GPIO Possibilities for QSPI Interface in Case of Non-use
Pin Number
Power Rail
Primary
PIO Peripheral
Reset State
Signal
Dir
Func
Signal
Dir
IOset
134
VDDIN_3V3
PB5
I/O
A
TCLK2
I
1
PIO, I, PU, ST
C
PWMH2
O
1
D
QSPI1_SCK
O
2
127
VDDIN_3V3
PB6
I/O
A
TIOA2
I/O
1
PIO, I, PU, ST
C
PWML2
O
1
D
QSPI1_CS
O
2
133
VDDIN_3V3
PB7
I/O
A
TIOB2
I/O
1
PIO, I, PU, ST
C
PWMH3
O
1
D
QSPI1_IO0
I/O
2
128
VDDIN_3V3
PB8
I/O
A
TCLK3
I
1
PIO, I, PU, ST
C
PWML3
O
1
D
QSPI1_IO1
I/O
2
132
VDDIN_3V3
PB9
I/O
A
TIOA3
I/O
1
PIO, I, PU, ST
C
PWMFI1
I
1
D
QSPI1_IO2
I/O
2
135
VDDIN_3V3
PB10
I/O
A
TIOB3
I/O
1
PIO, I, PU, ST
C
PWMEXTRG1
I
1
D
QSPI1_IO3
I/O
2
Tip:  The QSPI interface can be shared with another external device. To do so, the QSPI_CS# node must
stay at "High" level. That means that the DIS_BOOT pin (SAMA5D27 SOM1 pad 126) must be forced to
ground.
5.6
EEPROM Memory
The SAMA5D27 SOM1 embeds the 24AA02E48T-I/OT, a 1Kb Serial EEPROM with pre-programmed EUI-48 MAC
address.
The device is organized as one block of 128 x 8-bit memory with a 2-wire serial interface. The second block is
reserved for MAC Address storage.
The 24AA02E48T-I/OT also has a page write capability for up to 8 bytes of data.
The 24AA02E48T-I/OT is available in the standard 5-lead SOT-23 package. For more information, see the product
web page.
SAMA5D27 SOM1
Functional Description
© 2020 Microchip Technology Inc.
Datasheet
DS60001521D-page 31



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