User's Manual

TOBY-R2 series - Data Sheet
UBX-16005785 - R06 Pin definition
Page 19 of 41
No
Name
Power
domain
I/O
Description
Remarks
21
GPIO1
GDI
I/O
GPIO
GPIO configurable as described in section 2.8.
Output driver class A. PU/PD class b.
Value at internal reset: T/PD.
See section 4.2.13 for detailed electrical specs.
22
GPIO2
GDI
I/O
GPIO
GPIO configurable as described in section 2.8.
Output driver class A. PU/PD class a.
Value at internal reset: T/PD.
See section 4.2.13 for detailed electrical specs.
23
RESET_N
ERS
I
External reset input
Internal 10 k pull-up resistor to V_BCKP.
See section 4.2.9 for detailed electrical specs.
24
GPIO3
GDI
I/O
GPIO
GPIO configurable as described in section 2.8.
Output driver class A. PU/PD class a.
Value at internal reset: T/PD.
See section 4.2.13 for detailed electrical specs.
25
GPIO4
GDI
I/O
GPIO
GPIO configurable as described in section 2.8.
Output driver class A. PU/PD class a.
Value at internal reset: T/PD.
See section 4.2.13 for detailed electrical specs.
26
HOST_SELECT0
GDI
I/O
Selection of module / host
processor configuration
Not supported by “02” product versions.
See section 4.2.13 for detailed electrical specs.
27
USB_D-
USB
I/O
USB Data Line D-
90  nominal differential characteristic impedance.
Pull-up, pull-down and series resistors as required by
the USB Revision 2.0 specification [15] are part of the
USB pin driver and need not be provided externally.
See section 4.2.11 for detailed electrical specs.
28
USB_D+
USB
I/O
USB Data Line D+
90  nominal differential characteristic impedance.
Pull-up, pull-down and series resistors as required by
the USB Revision 2.0 specification [15] are part of the
USB pin driver and need not be provided externally.
See section 4.2.11 for detailed electrical specs.
29
RSVD
-
N/A
RESERVED pin
Leave unconnected.
30
GND
GND
N/A
Ground
All GND pins must be connected to ground.
31
RSVD
-
N/A
RESERVED pin
Leave unconnected.
32
GND
GND
N/A
Ground
All GND pins must be connected to ground.
33
RSVD
-
N/A
RESERVED pin
Leave unconnected.
34
RSVD
-
N/A
RESERVED pin
Leave unconnected.
35
RSVD
-
N/A
RESERVED pin
Leave unconnected.
36
RSVD
-
N/A
RESERVED pin
Leave unconnected.
37
RSVD
-
N/A
RESERVED pin
Leave unconnected.
38
RSVD
-
N/A
RESERVED pin
Leave unconnected.
39
RSVD
-
N/A
RESERVED pin
Leave unconnected.
40
RSVD
-
N/A
RESERVED pin
Leave unconnected.
41
RSVD
-
N/A
RESERVED pin
Leave unconnected.
42
RSVD
-
N/A
RESERVED pin
Leave unconnected.
43
RSVD
-
N/A
RESERVED pin
Leave unconnected.
44
GND
GND
N/A
Ground
All GND pins must be connected to ground.
45
RSVD
-
N/A
RESERVED pin
Leave unconnected.
46
GND
GND
N/A
Ground
All GND pins must be connected to ground.
47
RSVD
-
N/A
RESERVED pin
Leave unconnected.
48
RSVD
-
N/A
RESERVED pin
Leave unconnected.
49
RSVD
-
N/A
RESERVED pin
Leave unconnected.
50
I2S_WA
GDI
I/O /
I/O
I
2
S word alignment /
GPIO
Configurable as I
2
S word alignment, or GPIO (see 2.8)
Output driver class A. PU/PD class a.
Value at internal reset: T/PD.
See section 4.2.13 for detailed electrical specs.