- Lepton
7
x1 - Lepton
7
x4 - Technical Information Manual
15
Fig. 3.4: R7104C Lepton
7
x4 mechanical drawings and connector locations (units: mm)
Pin #
Name
Direction
Function
1
GND
-
Ground
2
GND
-
Ground
3
VDC_IN
-
Supply voltage
4
VDC_IN
-
Supply voltage
5
GPIO0
IN/OUT
General purpose I/O #0
6
GPIO1
IN/OUT
General purpose I/O #1
7
GPIO2
IN/OUT
General purpose I/O #2
8
GPIO3
IN/OUT
General purpose I/O #3
9
RXD
IN
UART RX (input to the module)
10
TXD
OUT
UART TX (output from the
module)
11
WKUP
IN/OUT
Wakeup from sleep on rising
edge
12
STATUS
IN/OUT
R7101C Lepton
7
x1 / R7104C
Lepton
7
x4 status indication
13
TST
IN
TST pin to be used for FW
recovery/upgrade
14
nRST
IN
Active low reset. Connect to open
drain driver.
15
BSL_SEL
IN
Boot Strap Loader interface
enable signal
Tab. 3.1: Power supply and interface connector pin listing and signal definitions
