EVA-8M and EVA-M8 series - Hardware Integration Manual
UBX-16010593 - R06
Design-in
Page 23 of 47
Early Production Information
P
in
EVA-7M
EVA-8M / EVA-M8M / EVA-M8Q
Pin Name
Typical Assignment
Pin Name
Typical Assignment
Remarks for
Migration
5
USB_DM
USB data
USB_DM
USB Data
No difference
6
USB_DP
USB data
USB_DP
USB Data
No difference
7
V_USB
USB supply
VDD_USB
USB supply
No difference
8
RTC_O
Leave open if no RTC
Crystal attached.
RTC_O
Leave open if no RTC Crystal attached. No difference
9
RTC_I
Connect to GND if no
RTC Crystal attached.
RTC_I
Connect to GND if no RTC Crystal
attached.
No difference
10 Reserved
Leave open.
Reserved
Leave open.
No difference
11 Reserved
Leave open.
Reserved
Leave open.
No difference
12 PIO14 /
ANT_DET
Antenna detection
PIO14 /
ANT_DET
Antenna detection
No difference
13 PIO13 /
EXTINT
External Interrupt
PIO13 / EXTINT External Interrupt
No difference
14 RESET_N
Leave open.
RESET_N
Leave open.
No difference
15 RX / MOSI
Serial Interface
RXD / SPI MOSI
Serial Interface
No difference
16 TX / MISO
Serial Interface
TXD / SPI MISO
Serial Interface
No difference
17 Reserved
Serial Interface
Reserved
Leave open.
No difference
18 GND
Ground
GND
Ground
No difference
19 VCC
Main voltage supply
EVA-7M 1.65 - 3.6V
VCC
Main voltage supply
EVA-8M / EVA-M8M / 1.65 - 3.6V
No difference
EVA-M8Q 2.7 - 3.6V
Note: EVA-M8Q has a
higher voltage range
20 VCC_IO
Supply voltage for PIOs
EVA-7M 1.65 – 3.6V
VCC_IO
Supply voltage for PIOs
EVA-8M / EVA-M8M 1.65 - 3.6V
No difference
EVA-M8Q 2.7 – 3.6V
Note: EVA-M8Q has a
higher voltage range
21 V_BCKP
Input voltage for backup
mode.
EVA-7M 1.4 – 3.6V
V_BCKP
Input voltage for backup mode
EVA-8M / EVA-M8M / EVA-M8Q
1.4 – 3.6V
No difference
22 Reserved
Leave open.
SQI_D0
Data line 0 to external SQI flash
memory or reserved configuration pin
23 Reserved
Leave open.
SQI_CLK
Clock for external SQI flash memory or
configuration pin.
24 Reserved
Leave open.
SQI_D2
Data line 2 to external SQI flash
memory or reserved configuration pin.
25 Reserved
Leave open.
SQI_D1
Data line 1 to external SQI flash
memory or reserved configuration pin.
26 Reserved
Leave open.
SQI_CS_N
Chip select for external SQI flash
memory or configuration enable pin.
27 Reserved
Leave open.
SQI_D3
Data line 3 to external SQI flash
memory or reserved configuration pin.
28 Reserved
Leave open.
Reserved
Leave open.
No difference
29 SCL / SCK
Serial Interface
SCL / SPI CLK
Serial interface
30 SDA / CS_N Serial Interface
SDA / SPI CS_N Serial interface
31 TIMEPULSE Time pulse output
TIMEPULSE
Time pulse output
No difference
32 D_SEL
Interface selector
D_SEL
Interface selector
33 Reserved
Leave open
SAFEBOOT_N
Used for programming the SQI flash
memory and testing purposes.
Leave open if not
used.